chem 211 lab report 3 - 109.47 N-H-H 35.26 Formal Charges P...

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Ben Kemper Lab Instructor: Don Knobloch Lab: Friday PM 9/29/06 Molecular Shape and Polarity Part A Bond Lengths and Angles Optimizing the Structure N-H Bond Lengths: 1.003 Å H-N-H Bond Angle: 107.21° Molecular Polarity and Partial Charges Dipole Moment of Ammonia: 1.92 D Charge of H Atoms: .36 Charge of N Atom: -1.087 Build a Model of SF 4 Bond Lengths S-F (Axial) 1.632 Å S-F (Equitorial) 1.544 Å Bond Angles (Å) F-S-F (Axial-Equ.) 86.85° F-S-F (Equitorial-Equ.) 102.67° Dipole Moment: 1.00 D Partial Charge on S Atom: .737 Partial Charge on F Atoms: -.305 (Axial Atoms) and -.064 (Equatorial Atoms) Part B CHCl 3 Formal Charges: Molecular Polarity = 1.35 D C = .212 H = .128 Cl = -.113 Before Optimization After Optimization C-H Bond Length 1.096 Å 1.071 Å C-Cl Bond Length 1.722 Å 1.763 Å Cl-C-Cl Bond Angle 109.47° 111.30° Cl-C-H Bond Angle 109.47° 107.58° PF 5 Bond Length All N-H Bonds 1.012 Å H-H 1.653 Å Bond Angle All H-N-H Angles
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Unformatted text preview: 109.47 N-H-H 35.26 Formal Charges P = 1.473 F = -.353 (Axial) and -.256 (Equitorial) Molecular Polarity = 0.00 D Before Optimization After Optimization P-F Bond Length 1.80 1.535 F-P-F Bond Angle 90 and 120 90 and 120 SO 3 2-Formal Charges S = -.008 O = -.664 Molecular Polarity = 0.85 D Before Optimization After Optimization S-O Bond Length 1.80 1.526 O-S-O Bond Angle 109.47 107.66 Part C Our Molecule: Total Length (Carbon to Carbon) 7.545 Total Height 3.468 Bond Lengths Charges : Upper H: .323 Lower H: .052 Left C: -.394 Right C: -.541 Other Groups Molecule: Total Width: 3.781 Total Length: 7.831 (No other information given about bond lengths, angles, or charges.) Type of Bond Angle OCH 120.27 OCC 122.92 CCC 110.19 CCH 107.83 HCH 105.63 CNH 117.8 CCN 128.22...
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chem 211 lab report 3 - 109.47 N-H-H 35.26 Formal Charges P...

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