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

using model chemistry: MP2/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/cc-pVTZ
 hartrees
Energy at 0K-460.344183
Energy at 298.15K-460.353916
HF Energy-459.646559
Nuclear repulsion energy177.900392
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/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 A1 3155 2996 29.47      
2 A1 3055 2901 22.41      
3 A1 1493 1417 9.98      
4 A1 1334 1267 6.77      
5 A1 974 924 21.16      
6 A1 676 642 0.37      
7 A1 290 275 0.58      
8 A2 3170 3010 0.00      
9 A2 1467 1393 0.00      
10 A2 789 749 0.00      
11 A2 176 167 0.00      
12 E 3170 3010 8.43      
12 E 3170 3010 8.43      
13 E 3156 2997 1.79      
13 E 3156 2997 1.79      
14 E 3059 2905 13.30      
14 E 3059 2905 13.30      
15 E 1484 1409 7.89      
15 E 1484 1409 7.89      
16 E 1472 1398 4.67      
16 E 1472 1398 4.67      
17 E 1311 1244 3.63      
17 E 1311 1244 3.63      
18 E 961 912 19.08      
18 E 961 912 19.08      
19 E 843 801 0.43      
19 E 843 801 0.43      
20 E 732 695 13.12      
20 E 732 695 13.12      
21 E 252 239 0.21      
21 E 252 239 0.21      
22 E 210 199 0.00      
22 E 210 199 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24939.4 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 23680.0 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/cc-pVTZ
ABC
0.19406 0.19406 0.12565

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/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 1.615 -0.282
C3 1.399 -0.807 -0.282
C4 -1.399 -0.807 -0.282
H5 0.000 1.476 -1.365
H6 -0.880 2.190 0.001
H7 0.880 2.190 0.001
H8 1.278 -0.738 -1.365
H9 2.337 -0.333 0.001
H10 1.457 -1.857 0.001
H11 -1.278 -0.738 -1.365
H12 -1.457 -1.857 0.001
H13 -2.337 -0.333 0.001

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84571.84571.84572.46612.43802.43802.46612.43802.43802.46612.43802.4380
C21.84572.79712.79711.09111.08911.08912.88793.05543.77612.88793.77613.0554
C31.84572.79712.79712.88793.77613.05541.09111.08911.08912.88793.05543.7761
C41.84572.79712.79712.88793.05543.77612.88793.77613.05541.09111.08911.0891
H52.46611.09112.88792.88791.77501.77502.55623.25543.88552.55623.88553.2554
H62.43801.08913.77613.05541.77501.76023.88554.08854.67373.25544.08852.9135
H72.43801.08913.05543.77611.77501.76023.25542.91354.08853.88554.67374.0885
H82.46612.88791.09112.88792.55623.88553.25541.77501.77502.55623.25543.8855
H92.43803.05541.08913.77613.25544.08852.91351.77501.76023.88554.08854.6737
H102.43803.77611.08913.05543.88554.67374.08851.77501.76023.25542.91354.0885
H112.46612.88792.88791.09112.55623.25543.88552.55623.88553.25541.77501.7750
H122.43803.77613.05541.08913.88554.08854.67373.25544.08852.91351.77501.7602
H132.43803.05543.77611.08913.25542.91354.08853.88554.67374.08851.77501.7602

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.636 P1 C2 H6 109.642
P1 C2 H7 109.642 P1 C3 H8 111.636
P1 C3 H9 109.642 P1 C3 H10 109.642
P1 C4 H11 111.636 P1 C4 H12 109.642
P1 C4 H13 109.642 C2 P1 C3 98.531
C2 P1 C4 98.531 C3 P1 C4 98.531
H5 C2 H6 109.006 H5 C2 H7 109.006
H6 C2 H7 107.826 H8 C3 H9 109.006
H8 C3 H10 109.006 H9 C3 H10 107.826
H11 C4 H12 109.006 H11 C4 H13 109.006
H12 C4 H13 107.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability