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All results from a given calculation for P(CH3)3 (trimethylphosphine)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-460.437272
Energy at 298.15K-460.447063
HF Energy-459.646498
Nuclear repulsion energy178.620219
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3159 2999 26.57      
2 A1 3074 2918 24.14      
3 A1 1503 1427 10.46      
4 A1 1341 1273 7.56      
5 A1 974 924 21.61      
6 A1 683 648 0.37      
7 A1 295 280 0.61      
8 A2 3172 3012 0.00      
9 A2 1476 1402 0.00      
10 A2 786 746 0.00      
11 A2 187 177 0.00      
12 E 3172 3011 7.90      
12 E 3172 3011 7.90      
13 E 3160 3001 1.97      
13 E 3160 3001 1.97      
14 E 3078 2923 12.30      
14 E 3078 2923 12.30      
15 E 1494 1418 8.31      
15 E 1494 1418 8.31      
16 E 1483 1408 4.66      
16 E 1483 1408 4.66      
17 E 1317 1250 4.61      
17 E 1317 1250 4.61      
18 E 962 913 19.43      
18 E 962 913 19.43      
19 E 842 799 0.46      
19 E 842 799 0.46      
20 E 739 702 13.24      
20 E 739 702 13.24      
21 E 257 244 0.21      
21 E 257 244 0.21      
22 E 214 203 0.00      
22 E 214 203 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25042.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 23775.0 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 MP2=FULL/cc-pVTZ
ABC
0.19562 0.19562 0.12684

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.611
C2 0.000 1.607 -0.282
C3 1.392 -0.804 -0.282
C4 -1.392 -0.804 -0.282
H5 0.000 1.464 -1.360
H6 -0.877 2.181 -0.000
H7 0.877 2.181 -0.000
H8 1.268 -0.732 -1.360
H9 2.327 -0.331 -0.000
H10 1.450 -1.850 -0.000
H11 -1.268 -0.732 -1.360
H12 -1.450 -1.850 -0.000
H13 -2.327 -0.331 -0.000

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.83861.83861.83862.45512.42892.42892.45512.42892.42892.45512.42892.4289
C21.83862.78392.78391.08731.08531.08532.87103.04183.75982.87103.75983.0418
C31.83862.78392.78392.87103.75983.04181.08731.08531.08532.87103.04183.7598
C41.83862.78392.78392.87103.04183.75982.87103.75983.04181.08731.08531.0853
H52.45511.08732.87102.87101.76951.76952.53623.23843.86482.53623.86483.2384
H62.42891.08533.75983.04181.76951.75443.86484.07174.65483.23844.07172.9004
H72.42891.08533.04183.75981.76951.75443.23842.90044.07173.86484.65484.0717
H82.45512.87101.08732.87102.53623.86483.23841.76951.76952.53623.23843.8648
H92.42893.04181.08533.75983.23844.07172.90041.76951.75443.86484.07174.6548
H102.42893.75981.08533.04183.86484.65484.07171.76951.75443.23842.90044.0717
H112.45512.87102.87101.08732.53623.23843.86482.53623.86483.23841.76951.7695
H122.42893.75983.04181.08533.86484.07174.65483.23844.07172.90041.76951.7544
H132.42893.04183.75981.08533.23842.90044.07173.86484.65484.07171.76951.7544

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.491 P1 C2 H6 109.640
P1 C2 H7 109.640 P1 C3 H8 111.491
P1 C3 H9 109.640 P1 C3 H10 109.640
P1 C4 H11 111.491 P1 C4 H12 109.640
P1 C4 H13 109.640 C2 P1 C3 98.415
C2 P1 C4 98.415 C3 P1 C4 98.415
H5 C2 H6 109.071 H5 C2 H7 109.071
H6 C2 H7 107.851 H8 C3 H9 109.071
H8 C3 H10 109.071 H9 C3 H10 107.851
H11 C4 H12 109.071 H11 C4 H13 109.071
H12 C4 H13 107.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability