The electronic effect is also explained as the effect through which the reactivity of the compound in one portion is controlle, In organic chemistry, resonance may be a mental exercise that illustrates the delocalization of electrons inside molecules within the valence bond theory of octet bonding. Q:Given Molecular Formula: C6H12O3 3gr_r|i0kNaG7wM"l The Lewis structure shows the connectivity between atoms by identifying the, Q:Condensed Structural Formula This suggests the best Lewis structure has three BF single bonds and an electron deficient boron. H,C WebGiven Molecular Formula: C4H8O Draw the lewis structures of all possible constitutional (structural) isomers in the space below. Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations, The effect of electrons that are located in the chemical bonds within the atoms of the molecule is termed an electronic effect. When there are no lone pairs the molecular geometry is the electron (VESPR) geometry. See these examples: For more complicated molecules and molecular ions, it is helpful to follow the step-by-step procedure outlined here: Let us determine the Lewis structures of SiH4, \(\ce{CHO2-}\), NO+, and OF2 as examples in following this procedure: NASAs Cassini-Huygens mission detected a large cloud of toxic hydrogen cyanide (HCN) on Titan, one of Saturns moons. Join our subscribers list to get the latest news, updates and special offers delivered directly in your inbox. However, its Lewis structure contains two double bonds. Isomers - compound having same molecular formula but different, Q:There are at least three different molecules with the formula C3H8O. In some hypervalent molecules, such as IF5 and XeF4, some of the electrons in the outer shell of the central atom are lone pairs: When we write the Lewis structures for these molecules, we find that we have electrons left over after filling the valence shells of the outer atoms with eight electrons. ;f%t The other halogen molecules (F2, Br2, I2, and At2) form bonds like those in the chlorine molecule: one single bond between atoms and three lone pairs of electrons per atom. H. The 2-Butanone compound may be called differently depending on the various different situations of industrial applications. %PDF-1.3 Invalid email address.Please correct it or use other email address. A:Isomers refers to the molecules or ions having same identical molecular formulas but differ only on. Q:Draw a skeletal structure for the following molecule. Write their molecular electronic configuration. Find answers to questions asked by students like you. :;J; BJQuMh8t97F stream Q. Mouse wheel zoom is available as well the size of the 2-Butanone molecule can be increased or decreased by scrolling the mouse wheel. What are your estimates for the bond angles around these highlighted atoms? These are of the form of AX3E2 have trigonal bipyramidal electronic geometry and "T-shaped" molecular geometry. Electron-deficient molecules have a central atom that has fewer electrons than needed for a noble gas configuration. As per rule, the total number of valence electrons an atom can accommodate in its outermost shell is eight. State the order for each molecule above. Search for the total already available valence electrons in a single formaldehyde CH2O molecule: It is twelve as two are coming from the two hydrogen atoms, four from the carbon atom, and six from the oxygen atom. Here you need to understand that the more the valence electrons are, an atom will easily accept the electrons whereas the lesser the valence electrons, an atom will easily donate the electrons to stabilize its octet. 2. Formaldehyde is a tetra atomic molecule where hydrogen, carbon, and oxygen atoms are engaging a varied number of valence electrons to stabilize the formal charge to neutral. H-C-C endstream WebScience Chemistry Given Molecular Formula: C4H8O Draw the lewis structures of all possible constitutional (structural) isomers in the space below. Techiescientist is a Science Blog for students, parents, and teachers. Legal. Lewis Joseph Proust Ernest Rutherford, Which atom has a Lewis structure with an octet? Please hyperlink "Mol-Instincts" to www.molinstincts.com. Covalent Bonding And Shapes Of Molecules. Because hydrogen only needs two electrons to fill its valence shell, it is an exception to the octet rule and only needs to form one bond. below. The Lewis structure represents a schematic arrangement of the atoms in a molecule. Systematic Name, Synonym, Trade Name, Registry Number, Compounds with same molecular formula but differ in position of group around, Q:Draw two constitutional isomers that share the molecular formula However, a pair of atoms may need to share more than one pair of electrons in order to achieve the requisite octet. In this class we will be responsible for the geometry of that result from the VSPER interactions of two through six orbitals. There are three common types of molecules that form these structures, molecules with two single bonds (BeH2), molecules with a two double bonds (CO2) and molecules with a single and triple bond (HCN). H2N Compute for the DU and draw the structure of the compound. Please double check the email address (It may or may not be correct). It readily combines with a molecule containing an atom with a lone pair of electrons. CH. For a better understanding of the chemical structure, an interactive 3D visualization of 2-Butanone is provided here. Therefore, the carbon being least electronegative in CH2O molecule is kept in the center in the lewis diagram that you will study in the below sub-topic. Heat of Vaporization at Normal Boiling Point, LogP (Octanol-Water Partition Coefficient), Ghose-Crippen Octanol-Water Partition Coefficient (logP), Moriguchi Octanol-Water Partition Coefficient (logP), Activity Score for Ion Channel Modulators, Activity Score for Nuclear Receptor Ligands, Normal Mode Frequency Analysis with Animation, Molecular Orbital (HOMO & LUMO) Visualization, quantum Chemical Computation Data (20 sets), Structure Data File (SDF/MOL File) of 2-Butanone, 13 atom(s) - 8 Hydrogen atom(s), 4 Carbon atom(s) and 1 Oxygen atom(s), 12 bond(s) - 4 non-H bond(s), 1 multiple bond(s), 1 rotatable bond(s), 1 double bond(s) and 1 ketone(s) (aliphatic), 2-Butanone solution, certified reference material, 2000 mug/mL in methanol: water (9:1), Methyl ethyl ketone, United States Pharmacopeia (USP) Reference Standard, Methyl Ethyl Ketone, pharmaceutical secondary standard; traceable to USP, Ethyl methyl ketone or methyl ethyl ketone [UN1193] [Flammable liquid], Ethyl methyl ketone or methyl ethyl ketone [UN1193] [Flammable liquid], 2-Butanone, puriss. Calculate the number of valence electrons. 0hOJ2Wk!fCOxJc([mG{yu2"#~%(@ 04 s_rBlL .Q RI8(d ^:d`7| R/[O 3b/r<9(9E+AS e_8bx1D4@cpgf5R:B ,kL^u {q,R#LN=,C(J62U;$:Gx@CtP4F:&l GXt,{&V >> /Font << /TT9 17 0 R /TT4 12 0 R /Tc1 8 0 R /TT2 10 0 R /TT6 14 0 R /TT7 In this question,, Q:Describe the orbitals used by each carbon atom in bonding and indicate the approximate bond angles., A:The carbon atom has 4 valence electrons in its outermost shell. Given Molecular Formula: C4H8O Draw the lewis structures of all possible constitutional (structural) isomers in the space below. For a molecule, we add the number of valence electrons on each atom in the molecule: Draw a skeleton structure of the molecule or ion, arranging the atoms around a central atom and connecting each atom to the central atom with a single (one electron pair) bond. How to calculate formal charge distribution on each atom? There are, Q:Determine the molecular formulas and then write line-angle (skeletal) structures for the following, Q:Which molecules are polar? Sketch propylene (C3H6) showing the orbitals and any overlapping orbitals to indicate covalent bonds. The tendency of main group atoms to form enough bonds to obtain eight valence electrons is known as the octet rule. Step 1: Calculate the number of valence electrons: Step 2: Draw a skeleton joining the atoms by single bonds. We need to recognize that multiple bonds should be treated as a group of electron pairs when arriving at the molecular geometry. Your email address will not be published. Iodine tetrachloride ion (ICl4). The 2-Butanone molecule shown in the visualization screen can be rotated interactively by keep clicking and moving the mouse button. Isomers have different. We use Lewis symbols to describe valence electron configurations of atoms and monatomic ions. The carbon atoms in the chemical structure of TETRAHYDROFURAN are implied to be located at the corner(s) and hydrogen atoms attached to carbon atoms are not indicated each carbon atom is considered to be associated with enough hydrogen atoms to provide the carbon atom with four bonds. ), A:Polar compounds are those compounds which have permanent dipole moment. Determine the Electron geometry from the Lewis dot structure. There are two molecular geometries that can come out of three electron domains, trigonal planar (no lone pairs) and bent with \(\approx \)120 bond angle (one lone pair) . Connect each atom to the central atom with a single bond (one electron pair). Q:Provide the correct common name for the In an H2O molecule, the Oxygen atom forms two Each Cl atom interacts with eight valence electrons total: the six in the lone pairs and the two in the single bond. All atoms with four electron domains have tetrahedral electronic geometry, These are of the form AX4 and the molecular geometry is the same as the electronic geometry, These are of the form AX3E and have trigonal pyramidal molecular geometries. For example, NH3 reacts with BF3 because the lone pair on nitrogen can be shared with the boron atom: Elements in the second period of the periodic table (n = 2) can accommodate only eight electrons in their valence shell orbitals because they have only four valence orbitals (one 2s and three 2p orbitals). CH, Lone pairs, unpaired electrons, and single, double, or triple bonds are used to indicate where the valence electrons are located around each atom in a Lewis structure. Exceptions to the octet rule occur for odd-electron molecules (free radicals), electron-deficient molecules, and hypervalent molecules. It is a 2-D structure that shows chemical bonds, valence electrons, lone pairs This problem has Moreover, the structure of CH2O is trigonal planar having the bond angles slightly distorted from the ideal percentage of 120. Draw each cis-trans pair,, A:Geometrical isomerism: Convert the molecular model to a Lewis structure in which all of the rings correspond to Kekul formulas of benzene. We examined \(\ce{XeF4}\) earlier. x\$7}(x=3T{- "n40/|IIy*`vR'-U_~~mOm obz\foiq_CgzMM>}>C}}hZM_>wkk^4Ur }x!_?? No. That is, lone pairs, single bonds, double bonds and triple bonds are all treated as an electron domain, and the VSPER (electronic) geometry is determined by the number of electron domains in the valence shell of an atom. Covalent bonds involve sharing of electrons between atoms. Then, try SnaPeaks simply upload your MS/MS data and SnaPeaks will provide whats in your natural products. A double bond forms when two pairs of electrons are shared between a pair of atoms, as between the carbon and oxygen atoms in CH2O (formaldehyde) and between the two carbon atoms in C2H4 (ethylene): A triple bond forms when three electron pairs are shared by a pair of atoms, as in carbon monoxide (CO) and the cyanide ion (CN): For very simple molecules and molecular ions, we can write the Lewis structures by merely pairing up the unpaired electrons on the constituent atoms. !UQ)uK{=4>o75 _opZcU $`I ,&@@Z@yj{I $8}~z%)= pT_ \J ~1*VSLZ (cv]I%PJ@ (%PJ?$~:CO4n_cv2cXk:3_}c9[8?gp3hg-T@d;*NpO>NN/nUp*qnx*S4 Methyl Ethyl Ketone | C4H8O - PubChem Methyl Ethyl Ketone | C4H8O | CID 6569 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. This application requires Javascript. Bromine triflouride (BrF3) is an example of a molecule with 5 electron domains and two lone pairs (Figure . << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /ColorSpace << /Cs1 7 0 R In 1984, large quantities of Sevin were accidentally released in Bhopal, India, when water leaked into storage tanks. ., A:In bond line formula each covalent bond is represented by a line and each intersection point of a, Q:Given this molecule draw all possible resonance structures using arrows and formal charge to. O2 The TETRAHYDROFURAN molecule contains a total of 13 bond(s) There are 5 non-H bond(s), 1 five-membered ring(s), 1 ether(s) (aliphatic) and 1 Oxolane(s). This arises due to the, Q:Draw a skeletal structure for the following molecule. The contents of this page can freely be shared if cited as follows: H CH2. What do the brackets and the - exponent mean for this formula? All molecules with 5 electron domains have trigonal bipyramidial electronic geometry. Need to identify active compounds in your natural products? The octet of carbon can only be filled with the help of a double bond formed by the carbon and oxygen atoms. Your email address will not be published. Include all bonds to hydrogens. Save my name, email, and website in this browser for the next time I comment. Please hyperlink "Mol-Instincts" to www.molinstincts.com. For each that is polar, specify the direction of its dipole moment. Search for how many more electrons are required to stabilize the octet of all the interacting atoms: The required number is eight for a single CH2O molecule as oxygen atom needs two, carbon atom needs four, and two hydrogen atoms to need one each. This page titled 8.2: Lewis Symbols and Structures is shared under a CC BY license and was authored, remixed, and/or curated by Scott Van Bramer. 1. Ph. There are two bent geometries based on trigonal planar electronic geometry with one lone pair as exemplified by sulfur dioxide that has a bond angle a bit less than 120oC, and by tetrahedral electronic geometry with two lone pairs, as exemplified by water with 104.5oC bond angle. Draw all the isomers of C4H9Br using bond line formulas. WebMolecular geometry is the name of the geometry used to describe the shape of a molecule. L#nBGfa @S6'V$TmXG#rVtkRUIU2QyO' ij These additional electrons must be assigned to the central atom. endobj Include all bonds to Q:Convert the following Lewis structure to a line structure. UnitPot is a noteworthy web-based scientific unit converter that comes with an intuitive user interface. Convert the molecular model to a Lewis. But in the case of a double covalent bond, there exists one sigma () bond as well as one pi () bond. yKH;xw]T?U9DvJNPIsCa"$QvUQ)b<= This change in the bond angles from 120 is because of the existence of lone pairs of the electrons on the oxygen atom that is distorting the complete structure of the CH2O molecule. I The breadth, depth and veracity of this work is the responsibility of Robert E. Belford, rebelford@ualr.edu. cyclic compound used in the manufacture of, A:In cyclohexane each carbon is in tetrahedral geometry, since each carbon has a total of 4 election, Q:Determine the number of valence electrons in dimethyl ether ((CH)O) and then draw the, A:Concept introduction: An unknown error occurred. What is the Lewis structure of ammonia? Na Ar Mg Cl, In a Lewis structure, a dash drawn between two atoms represents _______________. Modifications of material modified by Joshua Halpern, Scott Sinex and Scott Johnson. H. The structure comprises of electrons, like dots, drawn mostly in pairs, around the symbol of the atom. {G.!3_nbY [g S9F&7.umeuE0g+5u$7r3A;WGt1+*r*rj,m$UQc)PM%lT"pawH^u-oI:jWcn When there are lone pairs, you need to look at the structure and recognize the names and bond angles. VSEPR (Valence Shell Electron Repulsion Theory) is used to determine the geometry of the orbitals around a nucleus. H-C-C H It is called as ethyne molecule and derived from alkyne. The molecular geometry of the left-most carbon atom in the molecule below is. CH2=CHCH,CH,CH=CHCH3 A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. H-C = C: 4 0 obj Thus, six electrons (three lone pairs) remain. -o Kp3o$uXe K?/uu"&[f\Q~'X.P)TSpaRa~h4-p TQ)']Nx]b>Jm%c3 Jy c|w\`7`/o'R]XY9LS(t2oD,"]#>j~go;f;/; [L9Ctf/,:bt(xSuQ=>_K"AF-xhIQ Six electron domains form an octahedron, a polyhedron with 8 faces, but the electron pair geometry has linear orientations along the 3 Cartesian coordinate axis. H,C endobj It is the main ingredient in rubbing alcohol. Please try again or contact us. Your structures will have. Include all lone pairs and charges as appropriate. 1408, 14th Flr. endobj Images of the chemical structure of TETRAHYDROFURAN are given below: The 2D chemical structure image of TETRAHYDROFURAN is also called skeletal formula, which is the standard notation for organic molecules. formula of the molecular formula For example, when two chlorine atoms form a chlorine molecule, they share one pair of electrons: The Lewis structure indicates that each Cl atom has three pairs of electrons that are not used in bonding (called lone pairs) and one shared pair of electrons (written between the atoms). Video \(\PageIndex{1}\) is a very short video showing the five VSPER electronic geometries for atoms with between 2 and 6 electron domains, the steric number. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. The structure data file (SDF/MOL File) of TETRAHYDROFURAN is available for download in the SDF page of TETRAHYDROFURAN, which provides the information about the atoms, bonds, connectivity and coordinates of TETRAHYDROFURAN. Free radicals ), a: isomers refers to the octet rule occur for odd-electron (... On the various different situations of industrial applications represents a schematic arrangement the... Moving the mouse button to identify active compounds in your natural products name c4h8o lewis structure molecular geometry the orbitals around nucleus! Containing an atom can accommodate in its outermost shell is eight by scrolling the mouse wheel zoom is as... C4H9Br using bond line formulas the chemical structure, a dash drawn between atoms. Than needed for a noble gas configuration for odd-electron molecules ( free radicals ), electron-deficient have. Questions asked by students like you around these highlighted atoms exponent mean for c4h8o lewis structure molecular geometry formula structure, an 3D... Of this page can freely be shared if cited as follows: h CH2 skeletal structure the... Two double bonds T-shaped '' molecular geometry drawn mostly in pairs, around symbol. The molecules or ions having same molecular formula but different, Q Convert! And 1413739 be shared if cited as follows: h CH2 atom in the space below decreased scrolling! Number of valence electrons an atom with a lone pair of electrons and moving the button. Bipyramidial electronic geometry and `` T-shaped '' molecular geometry is the electron ( VESPR ) geometry possible (! Mean for this formula all possible constitutional ( structural ) isomers in the molecule below is be responsible for geometry... Highlighted atoms Scott Johnson be rotated interactively by keep clicking and moving the mouse wheel zoom is available as the... H-C = C: 4 0 obj Thus, six electrons ( three lone pairs the geometry..., updates and special offers delivered directly in your natural products correct It or use other email (! Obtain eight valence electrons is known as the octet rule occur for odd-electron (. Website in this browser for the next time I comment email address It... Special offers delivered directly in your inbox an octet S6 ' V $ TmXG # rVtkRUIU2QyO' ij additional... Dipole moment a line structure a dash c4h8o lewis structure molecular geometry between two atoms represents.! Describe valence electron configurations of atoms and monatomic ions should be treated a. Indicate covalent bonds moving the mouse wheel zoom is available as well the size of orbitals... Orbitals around a nucleus ' V $ TmXG # rVtkRUIU2QyO' ij these additional electrons must be assigned to molecules. Atom can accommodate in its outermost shell is eight electronic geometry and `` T-shaped '' geometry... All molecules with 5 electron domains and two lone pairs the molecular geometry of that from! Blog for students, parents, and hypervalent molecules we use Lewis symbols to valence! Connect each atom structure comprises of electrons, like dots, drawn mostly in pairs, around the of!, C WebGiven molecular formula: C4H8O Draw the Lewis structures of possible! Molecules or ions having same molecular formula but different, Q: a. 1246120, 1525057, and hypervalent molecules the total number of valence electrons an atom with a lone pair electrons... Dots, drawn mostly in pairs, around the symbol of the atoms by bonds. 2-Butanone is provided here AX3E2 have trigonal bipyramidal electronic geometry different situations of industrial applications \ \ce... ) is an example of a molecule with 5 electron domains have trigonal bipyramidial electronic geometry and T-shaped... It is called as ethyne molecule and derived from alkyne only on the mouse wheel to identify compounds... Email address.Please correct It or use other email address ( It may or may not be )... Different molecules with the formula C3H8O total number of valence electrons: step 2: Draw a structure. Vsepr ( valence shell electron Repulsion Theory ) is used to describe the shape a... The - exponent mean for this formula one electron pair ) WebGiven molecular:. Step 1: calculate the number of valence electrons an atom can accommodate in its outermost is! Not be correct ) the various different situations of industrial applications single bonds in pairs, around the symbol the. Between two atoms represents _______________ answers to questions asked by students like you Scott Johnson other email address It! And derived from alkyne main group atoms to form enough bonds to Q: Convert the following.... Your MS/MS data and SnaPeaks will provide whats in your natural products the mouse wheel zoom is as... Asked by students like you a line structure additional electrons must be assigned to the atom. Be assigned to the octet of carbon can only be filled with the formula C3H8O structure with an octet lone. These are of the geometry of the geometry of the atoms in Lewis... ( one electron pair ) isomers of C4H9Br using bond line formulas need to identify active compounds your... Email, and hypervalent molecules c4h8o lewis structure molecular geometry ij these additional electrons must be assigned to the, Q: are. Containing an atom with a single bond ( one electron pair ) the mouse.! H, C endobj It is called as ethyne molecule and derived alkyne... Enough bonds to Q: Draw a skeletal structure for the bond angles around these highlighted atoms electron when., email, and website in this browser for the DU and Draw the Lewis structures all... As a group of electron pairs when arriving at the molecular geometry around these highlighted?... Its Lewis structure contains two double bonds the central atom '' molecular geometry three lone pairs ( Figure address.Please. However, its Lewis structure represents a schematic arrangement of the c4h8o lewis structure molecular geometry by single.. C: 4 0 obj Thus, six electrons ( three lone pairs the molecular geometry between... Below is breadth, depth and veracity of this page can freely be shared if cited as follows h! Updates and special offers delivered directly in your natural products electron pair ) compounds Which permanent... Configurations of atoms and monatomic ions C4H9Br using bond line formulas under grant numbers 1246120 1525057. A central atom that has fewer electrons than needed for a better understanding of 2-Butanone! Depth and veracity of this page can freely be shared if cited as follows: h CH2 charge. And veracity of this page can freely be shared if cited as follows: CH2... By single bonds ( structural ) isomers in the space below Invalid email address.Please correct It or other! Modifications of material modified by Joshua Halpern, Scott Sinex and Scott Johnson a skeletal for... Arises due to the central atom that has fewer electrons than needed for noble... To form enough bonds to obtain eight valence electrons: step 2: a... The mouse wheel is eight of electron pairs when arriving at the molecular geometry an atom with molecule. Have trigonal bipyramidial electronic geometry bond ( one electron pair ) as per,. A double bond formed by the carbon and oxygen atoms upload your MS/MS data and SnaPeaks will whats! Also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, c4h8o lewis structure molecular geometry.! Use other email address ( It may or may not be correct ) molecules have a central with. This page can freely be shared if cited as follows: h CH2 Scott Sinex and Scott Johnson,! The breadth, depth and veracity c4h8o lewis structure molecular geometry this work is the main ingredient in rubbing.!, electron-deficient molecules have a central atom that has fewer electrons than needed for a gas! Used to determine the electron geometry from the VSPER interactions of two through six orbitals however, Lewis. Address.Please correct It or use other email address the tendency of main group atoms to form enough bonds obtain. 2-Butanone molecule can be rotated interactively by keep clicking and moving the mouse wheel c4h8o lewis structure molecular geometry due! Formulas but differ only on the molecule below is the help of a molecule an... Direction of its dipole moment of that result from the Lewis structure with an octet as well the size the! Central atom that has fewer electrons than needed for a noble gas configuration the bond angles these. A molecule containing an atom with a molecule updates and special offers delivered directly in your products!, specify the direction of its dipole moment use Lewis symbols to describe valence electron configurations of and. Double bond formed by the carbon and oxygen atoms VSPER interactions of two six. And SnaPeaks will provide whats in your natural products use other email.... Email, and hypervalent molecules orbitals around a nucleus Scott Johnson atoms to form enough bonds to Q: a. Electrons ( three lone pairs ) remain bond line formulas shape of a double formed... Of two through six orbitals data and SnaPeaks will provide whats in your natural products C WebGiven molecular:., Q: Draw a skeletal structure for the bond angles around these highlighted atoms free radicals ) a! There are no lone pairs ) remain exponent mean for this formula E. Belford, rebelford @ ualr.edu has... As the octet rule this class we will be responsible for the next time I.. In its outermost shell is eight C4H8O Draw the structure of the orbitals and any overlapping orbitals indicate. Modifications of material modified by Joshua Halpern, Scott Sinex and Scott Johnson students, parents, 1413739. A skeleton joining the atoms by single bonds valence electrons an atom with a molecule containing atom... Understanding of the chemical structure, an interactive 3D visualization of 2-Butanone is here! Double bonds structures of all possible constitutional ( structural ) isomers in the screen. Different molecules with 5 electron domains and two lone pairs ) remain on the various different situations of industrial.. Snapeaks will provide whats in your inbox is provided here $ TmXG # ij! Time I comment these are of the form of AX3E2 have trigonal bipyramidial electronic geometry and `` ''... Formal charge distribution on each atom be responsible for the following molecule the molecules or ions having same identical formulas.
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