CHEM 201 - 10.17.07

CHEM 201 - 10.17.07 - SF 4 1 4 5 See-saw ClF 3 2 3 5...

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CHEM 201 – October 17, 2007 Hybrid groups o Linear Sp hybrid 2 electron groups O=C=O bond angles is 180° o Trigonal Planar o Sp 2 hybrid o 3 electron groups o H C = O bond angle between 11° and Hdrogen-Oxygen is 122° H o Tetrahedral Sp 3 hybrid 4 electron groups bond angles are 109.5° o Trigonal Bipyramidal Sp 3 d 5 electron groups o Square Bipyramid Sp 3 d 2 hybrid 6 electron groups o Square Pyramidal o Square planar
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Lone Pairs Bonde d Atoms Electro n Groups Hybrids Geometry Electronic Species Molecular BeCl 2 0 2 2 Sp Linear Linear BF 3 0 3 3 Sp 2 Trigonal planar Trigonal planar Bent SO 2 1 2 3 CH 4 0 4 4 Sp 3 Tetrahedral Tetrahedral NH 3 1 3 4 Trigonal Pyramidal H 2 O 2 2 4 Bent PCl 5 0 5 5 Sp 3 d Trigonal bipyramidal Trigonal bipyramidal
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Unformatted text preview: SF 4 1 4 5 See-saw ClF 3 2 3 5 T-Shaped I 3-3 2 5 Linear SF 6 6 6 Sp 3 d 2 Square bipyramidal Square bipyramidal SbCl 5 2-1 5 6 Square pyramidal XeF 4 2 4 6 Square planar Resonance Structures o O 3 O – O – O • Central atom does not complete the octet • Forms both: o O – O = O o O = O – O o When multiple electron dot structures, you have to draw both diagrams and can only explain the combination by taking the average of all the bonds Resonance Hybrid • O – O = O O = O – O • Bond Order o Oxygen-Oxygen = 1.5 each...
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CHEM 201 - 10.17.07 - SF 4 1 4 5 See-saw ClF 3 2 3 5...

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