Lab 3 post-lab - Jacob Sutker Peter Widger Tuesday P.M Lab...

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Jacob Sutker Peter Widger September 24, 2006 Tuesday P.M. Lab Post-Lab for Experiment #3 1. Data table for Part A: Bond Lengths Distances Bond Angles Dipole Moment Dipole Magnitude Charges NH 3 N-H = 1.012Å H to H = 1.653 Å H-N-H = 109.47º N-H-H = 35.26º Optimized NH 3 H-N-H = 107.21º Points away from hydrogen atoms DP = 1.92 D H atoms = . 364 N atom = -1.087 Optimized SF 4 S-F axial = 1.632 Å S-F equatorial = 1.544 Å F-S-F axial = 86.85º F-S-F equatorial = 102.67º Point between two equatorial F atoms DP= 1.00 D Axial F atoms = -.305 Equatorial F atoms = -.064 S atom = .737 2. Data table for Part B: Bond Lengths Bond Angles Dipole Moment Dipole Magnitude Charges CHCl 3 C-H = 1.071 Å C-Cl = 1.763 Å Cl-C-Cl = 111.3º H-C-Cl = 107.58º Pointed down between all Cl atoms DP = 1.35 D C = .212 Cl = .113 H = .128 PF 5 P-F axial = 1.563 Å P-F equatorial = 1.535 Å F-P-F axial = 90º F-P-F equatorial = 120º Does not exist Does not exist P = 1.473 F axial = -.353 F equatorial = -.256 (SO 3)²- S-O = 1.526 Å O-S-O = 107.8º Points away from lone pair DP = .95 D S = .036 O = -.679 My results in the experiment were close but not exact to those I predicted in prelab question 1. In the prelab I could not calculate the different pull lone pairs have on
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