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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B2PLYP=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-421.634578
Energy at 298.15K-421.642350
HF Energy-421.441354
Nuclear repulsion energy113.226388
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3137 2999 13.29      
2 A' 3132 2994 22.99      
3 A' 3056 2920 16.47      
4 A' 2396 2290 88.82      
5 A' 1494 1428 9.01      
6 A' 1493 1427 4.15      
7 A' 1342 1282 1.47      
8 A' 1021 976 24.65      
9 A' 972 929 24.93      
10 A' 725 693 1.32      
11 A' 666 636 2.53      
12 A' 255 244 0.21      
13 A' 194 186 0.12      
14 A" 3138 2999 5.66      
15 A" 3133 2995 0.31      
16 A" 3058 2923 16.34      
17 A" 1485 1420 5.88      
18 A" 1480 1414 3.08      
19 A" 1326 1268 0.86      
20 A" 1039 993 24.90      
21 A" 837 800 0.59      
22 A" 733 700 2.71      
23 A" 712 680 14.28      
24 A" 184 176 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 18503.0 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 17685.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/cc-pVTZ
ABC
0.53625 0.23234 0.17933

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.664 0.000
H2 1.353 -0.936 0.000
C3 -0.038 0.528 1.421
C4 -0.038 0.528 -1.421
H5 -1.025 0.979 1.502
H6 -1.025 0.979 -1.502
H7 0.155 -0.013 2.345
H8 0.155 -0.013 -2.345
H9 0.702 1.318 1.311
H10 0.702 1.318 -1.311

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.41721.85481.85482.43492.43492.44142.44142.48892.4889
H21.41722.46902.46903.40213.40212.79042.79042.68742.6874
C31.85482.46902.84211.08803.11781.08753.80951.08762.9388
C41.85482.46902.84213.11781.08803.80951.08752.93881.0876
H52.43493.40211.08803.11783.00361.75654.14391.76943.3178
H62.43493.40213.11781.08803.00364.14391.75653.31781.7694
H72.44142.79041.08753.80951.75654.14394.68991.77123.9290
H82.44142.79043.80951.08754.14391.75654.68993.92901.7712
H92.48892.68741.08762.93881.76943.31781.77123.92902.6225
H102.48892.68742.93881.08763.31781.76943.92901.77122.6225

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.859 P1 C3 H7 109.364
P1 C3 H9 112.924 P1 C4 H6 108.859
P1 C4 H8 109.364 P1 C4 H10 112.924
H2 P1 C3 97.067 H2 P1 C4 97.067
C3 P1 C4 100.020 H5 C3 H7 107.679
H5 C3 H9 108.839 H6 C4 H8 107.679
H6 C4 H10 108.839 H7 C3 H9 109.040
H8 C4 H10 109.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability