Ch_322a_1.018

Ch_322a_1.018 - C CH 3 orbitals C-C Bond Length DH o (C-C)...

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Orbital Hybridization, Bond Lengths and Bond Strengths The greater the degree of s-character in a hybrid orbital that overlaps with another atomic orbital to form a covalent bond, the shorter the covalent bond and the stronger the bond. hydrocarbon hybridization bond lengths C-C C-H DH o (C-H) H H H H H H (kcal/mol) sp 3 1.54 A o 1.10 A o (sp 3 - 1s) 98 H H H H sp 2 1.34 A o 1.09 A o (sp 2 - 1s) 108 H H sp 1.20 A o 1.06 A o (sp- 1s) 125
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Orbital Hybridization Influences on C-C Bond Lengths and Bond Strengths
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Unformatted text preview: C CH 3 orbitals C-C Bond Length DH o (C-C) (kcal/mol) H 3 C CH 3 sp 3 sp 3 1.54 A o 88 CH 2 =CH CH 3 sp 2 sp 3 1.50 A o 92 HC C CH 3 sp sp 3 1.46 A o 117 Shorter bonds are generally stronger bonds. Quiz 1.018 The strongest C-H bond among those labeled in the structure below is C C C C C H H H H H H A B C D The longest C-H bond among those labeled in the structure above is...
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This note was uploaded on 07/22/2009 for the course CHEM 322AL taught by Professor Jung during the Summer '07 term at USC.

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Ch_322a_1.018 - C CH 3 orbitals C-C Bond Length DH o (C-C)...

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