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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-460.177611
Energy at 298.15K-460.187352
HF Energy-459.584105
Nuclear repulsion energy177.602371
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/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3207 3012 39.14      
2 A1 3102 2914 31.85      
3 A1 1510 1418 13.64      
4 A1 1396 1312 4.99      
5 A1 1005 944 28.69      
6 A1 681 640 0.56      
7 A1 290 272 1.56      
8 A2 3225 3029 0.00      
9 A2 1494 1403 0.00      
10 A2 815 766 0.00      
11 A2 165 155 0.00      
12 E 3225 3029 11.88      
12 E 3225 3029 11.88      
13 E 3208 3013 2.58      
13 E 3208 3013 2.58      
14 E 3105 2917 18.99      
14 E 3105 2917 18.99      
15 E 1510 1418 11.50      
15 E 1510 1418 11.50      
16 E 1497 1406 6.71      
16 E 1497 1406 6.71      
17 E 1370 1287 7.07      
17 E 1370 1287 7.07      
18 E 993 932 18.86      
18 E 993 932 18.86      
19 E 872 819 0.00      
19 E 872 819 0.00      
20 E 742 697 13.15      
20 E 742 697 13.15      
21 E 256 241 0.34      
21 E 256 241 0.34      
22 E 202 190 0.00      
22 E 202 190 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25426.0 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 23880.1 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/6-31+G**
ABC
0.19349 0.19349 0.12454

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.604
C2 0.000 1.622 -0.279
C3 1.405 -0.811 -0.279
C4 -1.405 -0.811 -0.279
H5 0.000 1.495 -1.363
H6 -0.879 2.198 0.007
H7 0.879 2.198 0.007
H8 1.295 -0.748 -1.363
H9 2.343 -0.338 0.007
H10 1.464 -1.860 0.007
H11 -1.295 -0.748 -1.363
H12 -1.464 -1.860 0.007
H13 -2.343 -0.338 0.007

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84681.84681.84682.47102.44162.44162.47102.44162.44162.47102.44162.4416
C21.84682.80932.80931.09141.08901.08902.91003.06813.78832.91003.78833.0681
C31.84682.80932.80932.91003.78833.06811.09141.08901.08902.91003.06813.7883
C41.84682.80932.80932.91003.06813.78832.91003.78833.06811.09141.08901.0890
H52.47101.09142.91002.91001.77261.77262.59023.27533.90902.59023.90903.2753
H62.44161.08903.78833.06811.77261.75773.90904.10034.68623.27534.10032.9285
H72.44161.08903.06813.78831.77261.75773.27532.92854.10033.90904.68624.1003
H82.47102.91001.09142.91002.59023.90903.27531.77261.77262.59023.27533.9090
H92.44163.06811.08903.78833.27534.10032.92851.77261.75773.90904.10034.6862
H102.44163.78831.08903.06813.90904.68624.10031.77261.75773.27532.92854.1003
H112.47102.91002.91001.09142.59023.27533.90902.59023.90903.27531.77261.7726
H122.44163.78833.06811.08903.90904.10034.68623.27534.10032.92851.77261.7577
H132.44163.06813.78831.08903.27532.92854.10033.90904.68624.10031.77261.7577

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.908 P1 C2 H6 109.833
P1 C2 H7 109.833 P1 C3 H8 111.908
P1 C3 H9 109.833 P1 C3 H10 109.833
P1 C4 H11 111.908 P1 C4 H12 109.833
P1 C4 H13 109.833 C2 P1 C3 99.035
C2 P1 C4 99.035 C3 P1 C4 99.035
H5 C2 H6 108.774 H5 C2 H7 108.774
H6 C2 H7 107.611 H8 C3 H9 108.774
H8 C3 H10 108.774 H9 C3 H10 107.611
H11 C4 H12 108.774 H11 C4 H13 108.774
H12 C4 H13 107.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability