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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B2PLYP=FULLultrafine/6-31G**

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=FULLultrafine/6-31G**
 hartrees
Energy at 0K-421.528700
Energy at 298.15K 
HF Energy-421.385846
Nuclear repulsion energy112.848625
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=FULLultrafine/6-31G**
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' 3180 3180 14.35      
2 A' 3176 3176 27.63      
3 A' 3085 3085 16.15      
4 A' 2428 2428 113.01      
5 A' 1517 1517 1.23      
6 A' 1516 1516 12.07      
7 A' 1379 1379 0.66      
8 A' 1041 1041 35.76      
9 A' 995 995 33.52      
10 A' 735 735 2.15      
11 A' 670 670 1.90      
12 A' 260 260 0.21      
13 A' 194 194 0.13      
14 A" 3180 3180 6.78      
15 A" 3176 3176 0.02      
16 A" 3087 3087 16.36      
17 A" 1509 1509 7.55      
18 A" 1502 1502 2.72      
19 A" 1361 1361 0.83      
20 A" 1053 1053 31.28      
21 A" 856 856 0.74      
22 A" 739 739 1.31      
23 A" 718 718 12.86      
24 A" 186 186 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18771.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18771.5 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=FULLultrafine/6-31G**
ABC
0.53289 0.23063 0.17797

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.667 0.000
H2 1.353 -0.942 0.000
C3 -0.038 0.529 1.426
C4 -0.038 0.529 -1.426
H5 -1.028 0.979 1.513
H6 -1.028 0.979 -1.513
H7 0.161 -0.011 2.353
H8 0.161 -0.011 -2.353
H9 0.700 1.326 1.318
H10 0.700 1.326 -1.318

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.41781.86121.86122.44482.44482.45042.45042.49992.4999
H21.41782.47652.47653.41283.41282.79712.79712.70292.7029
C31.86122.47652.85251.09093.13371.09063.82251.09072.9510
C41.86122.47652.85253.13371.09093.82251.09062.95101.0907
H52.44483.41281.09093.13373.02541.76014.16341.77253.3341
H62.44483.41283.13371.09093.02544.16341.76013.33411.7725
H72.45042.79711.09063.82251.76014.16344.70541.77413.9433
H82.45042.79713.82251.09064.16341.76014.70543.94331.7741
H92.49992.70291.09072.95101.77253.33411.77413.94332.6358
H102.49992.70292.95101.09073.33411.77253.94331.77412.6358

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 109.010 P1 C3 H7 109.439
P1 C3 H9 113.143 P1 C4 H6 109.010
P1 C4 H8 109.439 P1 C4 H10 113.143
H2 P1 C3 97.167 H2 P1 C4 97.167
C3 P1 C4 100.044 H5 C3 H7 107.582
H5 C3 H9 108.673 H6 C4 H8 107.582
H6 C4 H10 108.673 H7 C3 H9 108.842
H8 C4 H10 108.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability