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

using model chemistry: CCD/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 CCD/6-31+G**
 hartrees
Energy at 0K-460.204681
Energy at 298.15K-460.214399
HF Energy-459.584118
Nuclear repulsion energy176.933964
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 CCD/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 3188 3004 45.90      
2 A1 3095 2916 31.75      
3 A1 1515 1428 11.61      
4 A1 1407 1326 3.69      
5 A1 1009 951 29.12      
6 A1 675 636 0.81      
7 A1 292 275 1.63      
8 A2 3202 3017 0.00      
9 A2 1501 1414 0.00      
10 A2 820 773 0.00      
11 A2 161 151 0.00      
12 E 3202 3017 17.80      
12 E 3202 3017 17.80      
13 E 3187 3003 4.49      
13 E 3187 3003 4.49      
14 E 3095 2917 21.60      
14 E 3095 2917 21.60      
15 E 1515 1428 10.02      
15 E 1515 1428 10.02      
16 E 1503 1416 5.45      
16 E 1503 1416 5.45      
17 E 1382 1302 4.85      
17 E 1382 1302 4.85      
18 E 995 937 18.07      
18 E 995 937 18.07      
19 E 874 824 0.00      
19 E 874 824 0.00      
20 E 736 694 13.02      
20 E 736 694 13.02      
21 E 255 240 0.36      
21 E 255 240 0.36      
22 E 197 186 0.00      
22 E 197 186 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25372.7 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 23908.7 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 CCD/6-31+G**
ABC
0.19193 0.19193 0.12336

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.630 -0.279
C3 1.412 -0.815 -0.279
C4 -1.412 -0.815 -0.279
H5 0.000 1.507 -1.365
H6 -0.880 2.207 0.008
H7 0.880 2.207 0.008
H8 1.305 -0.754 -1.365
H9 2.351 -0.341 0.008
H10 1.471 -1.866 0.008
H11 -1.305 -0.754 -1.365
H12 -1.471 -1.866 0.008
H13 -2.351 -0.341 0.008

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85451.85451.85452.48062.44972.44972.48062.44972.44972.48062.44972.4497
C21.85452.82342.82341.09271.09061.09062.92663.08143.80342.92663.80343.0814
C31.85452.82342.82342.92663.80343.08141.09271.09061.09062.92663.08143.8034
C41.85452.82342.82342.92663.08143.80342.92663.80343.08141.09271.09061.0906
H52.48061.09272.92662.92661.77421.77422.61063.29063.92732.61063.92733.2906
H62.44971.09063.80343.08141.77421.76043.92734.11484.70223.29064.11482.9418
H72.44971.09063.08143.80341.77421.76043.29062.94184.11483.92734.70224.1148
H82.48062.92661.09272.92662.61063.92733.29061.77421.77422.61063.29063.9273
H92.44973.08141.09063.80343.29064.11482.94181.77421.76043.92734.11484.7022
H102.44973.80341.09063.08143.92734.70224.11481.77421.76043.29062.94184.1148
H112.48062.92662.92661.09272.61063.29063.92732.61063.92733.29061.77421.7742
H122.44973.80343.08141.09063.92734.11484.70223.29064.11482.94181.77421.7604
H132.44973.08143.80341.09063.29062.94184.11483.92734.70224.11481.77421.7604

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.026 P1 C2 H6 109.832
P1 C2 H7 109.832 P1 C3 H8 112.026
P1 C3 H9 109.832 P1 C3 H10 109.832
P1 C4 H11 112.026 P1 C4 H12 109.832
P1 C4 H13 109.832 C2 P1 C3 99.144
C2 P1 C4 99.144 C3 P1 C4 99.144
H5 C2 H6 108.707 H5 C2 H7 108.707
H6 C2 H7 107.624 H8 C3 H9 108.707
H8 C3 H10 108.707 H9 C3 H10 107.624
H11 C4 H12 108.707 H11 C4 H13 108.707
H12 C4 H13 107.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability