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

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-460.200364
Energy at 298.15K-460.210082
HF Energy-459.584188
Nuclear repulsion energy177.101895
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 MP3/6-31+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 3205 2982 44.03      
2 A1 3112 2896 34.69      
3 A1 1516 1411 12.33      
4 A1 1407 1310 4.04      
5 A1 1010 940 28.96      
6 A1 678 631 0.73      
7 A1 290 270 1.66      
8 A2 3222 2998 0.00      
9 A2 1502 1397 0.00      
10 A2 820 763 0.00      
11 A2 160 149 0.00      
12 E 3222 2998 16.48      
12 E 3222 2998 16.48      
13 E 3205 2983 4.45      
13 E 3205 2983 4.45      
14 E 3114 2897 20.27      
14 E 3114 2897 20.27      
15 E 1516 1411 10.66      
15 E 1516 1411 10.66      
16 E 1504 1399 5.70      
16 E 1504 1399 5.70      
17 E 1382 1286 5.39      
17 E 1382 1286 5.39      
18 E 996 927 18.32      
18 E 996 927 18.32      
19 E 875 814 0.00      
19 E 875 814 0.00      
20 E 739 687 13.07      
20 E 739 687 13.07      
21 E 255 237 0.36      
21 E 255 237 0.36      
22 E 196 183 0.00      
22 E 196 183 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25464.2 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 23694.4 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 MP3/6-31+G**
ABC
0.19228 0.19228 0.12358

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.605
C2 0.000 1.629 -0.279
C3 1.411 -0.814 -0.279
C4 -1.411 -0.814 -0.279
H5 0.000 1.504 -1.364
H6 -0.879 2.204 0.007
H7 0.879 2.204 0.007
H8 1.303 -0.752 -1.364
H9 2.349 -0.341 0.007
H10 1.469 -1.864 0.007
H11 -1.303 -0.752 -1.364
H12 -1.469 -1.864 0.007
H13 -2.349 -0.341 0.007

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85311.85311.85312.47722.44712.44712.47722.44712.44712.47722.44712.4471
C21.85312.82122.82121.09161.08921.08922.92273.07843.79972.92273.79973.0784
C31.85312.82122.82122.92273.79973.07841.09161.08921.08922.92273.07843.7997
C41.85312.82122.82122.92273.07843.79972.92273.79973.07841.09161.08921.0892
H52.47721.09162.92272.92271.77271.77272.60553.28623.92182.60553.92183.2862
H62.44711.08923.79973.07841.77271.75863.92184.11044.69713.28624.11042.9385
H72.44711.08923.07843.79971.77271.75863.28622.93854.11043.92184.69714.1104
H82.47722.92271.09162.92272.60553.92183.28621.77271.77272.60553.28623.9218
H92.44713.07841.08923.79973.28624.11042.93851.77271.75863.92184.11044.6971
H102.44713.79971.08923.07843.92184.69714.11041.77271.75863.28622.93854.1104
H112.47722.92272.92271.09162.60553.28623.92182.60553.92183.28621.77271.7727
H122.44713.79973.07841.08923.92184.11044.69713.28624.11042.93851.77271.7586
H132.44713.07843.79971.08923.28622.93854.11043.92184.69714.11041.77271.7586

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.930 P1 C2 H6 109.811
P1 C2 H7 109.811 P1 C3 H8 111.930
P1 C3 H9 109.811 P1 C3 H10 109.811
P1 C4 H11 111.930 P1 C4 H12 109.811
P1 C4 H13 109.811 C2 P1 C3 99.143
C2 P1 C4 99.143 C3 P1 C4 99.143
H5 C2 H6 108.759 H5 C2 H7 108.759
H6 C2 H7 107.665 H8 C3 H9 108.759
H8 C3 H10 108.759 H9 C3 H10 107.665
H11 C4 H12 108.759 H11 C4 H13 108.759
H12 C4 H13 107.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability