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

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-460.108654
Energy at 298.15K-460.118549
HF Energy-459.609164
Nuclear repulsion energy177.638644
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 CID/6-311G*
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 3201 2974 43.47      
2 A1 3119 2897 28.76      
3 A1 1559 1449 14.55      
4 A1 1439 1337 5.44      
5 A1 1042 968 50.11      
6 A1 694 645 0.44      
7 A1 308 286 1.16      
8 A2 3212 2984 0.00      
9 A2 1531 1422 0.00      
10 A2 840 781 0.00      
11 A2 175 162 0.00      
12 E 3213 2985 17.76      
12 E 3213 2985 17.76      
13 E 3200 2973 4.10      
13 E 3200 2973 4.10      
14 E 3117 2896 19.04      
14 E 3117 2896 19.04      
15 E 1548 1438 14.63      
15 E 1548 1438 14.63      
16 E 1538 1429 4.15      
16 E 1538 1429 4.15      
17 E 1414 1314 11.89      
17 E 1414 1314 11.89      
18 E 1019 946 25.78      
18 E 1019 946 25.78      
19 E 898 834 0.21      
19 E 898 834 0.21      
20 E 752 698 12.78      
20 E 752 698 12.78      
21 E 264 245 0.25      
21 E 264 245 0.25      
22 E 213 198 0.02      
22 E 213 198 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25733.2 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 23908.8 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 CID/6-311G*
ABC
0.19366 0.19366 0.12414

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.598
C2 0.000 1.624 -0.276
C3 1.406 -0.812 -0.276
C4 -1.406 -0.812 -0.276
H5 0.000 1.514 -1.360
H6 -0.877 2.200 0.013
H7 0.877 2.200 0.013
H8 1.311 -0.757 -1.360
H9 2.344 -0.340 0.013
H10 1.467 -1.860 0.013
H11 -1.311 -0.757 -1.360
H12 -1.467 -1.860 0.013
H13 -2.344 -0.340 0.013

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84431.84431.84432.47572.43962.43962.47572.43962.43962.47572.43962.4396
C21.84432.81292.81291.09001.08841.08842.92663.07183.79082.92663.79083.0718
C31.84432.81292.81292.92663.79083.07181.09001.08841.08842.92663.07183.7908
C41.84432.81292.81292.92663.07183.79082.92663.79083.07181.09001.08841.0884
H52.47571.09002.92662.92661.76811.76812.62253.28923.92682.62253.92683.2892
H62.43961.08843.79083.07181.76811.75423.92684.10224.68763.28924.10222.9334
H72.43961.08843.07183.79081.76811.75423.28922.93344.10223.92684.68764.1022
H82.47572.92661.09002.92662.62253.92683.28921.76811.76812.62253.28923.9268
H92.43963.07181.08843.79083.28924.10222.93341.76811.75423.92684.10224.6876
H102.43963.79081.08843.07183.92684.68764.10221.76811.75423.28922.93344.1022
H112.47572.92662.92661.09002.62253.28923.92682.62253.92683.28921.76811.7681
H122.43963.79083.07181.08843.92684.10224.68763.28924.10222.93341.76811.7542
H132.43963.07183.79081.08843.28922.93344.10223.92684.68764.10221.76811.7542

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.507 P1 C2 H6 109.886
P1 C2 H7 109.886 P1 C3 H8 112.507
P1 C3 H9 109.886 P1 C3 H10 109.886
P1 C4 H11 112.507 P1 C4 H12 109.886
P1 C4 H13 109.886 C2 P1 C3 99.381
C2 P1 C4 99.381 C3 P1 C4 99.381
H5 C2 H6 108.512 H5 C2 H7 108.512
H6 C2 H7 107.389 H8 C3 H9 108.512
H8 C3 H10 108.512 H9 C3 H10 107.389
H11 C4 H12 108.512 H11 C4 H13 108.512
H12 C4 H13 107.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability