return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCD/aug-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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-460.406889
Energy at 298.15K-460.416642
HF Energy-459.647921
Nuclear repulsion energy177.403711
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/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3131 2997 33.40      
2 A1 3044 2913 24.01      
3 A1 1506 1441 9.62      
4 A1 1356 1298 5.09      
5 A1 988 945 23.85      
6 A1 671 642 0.74      
7 A1 293 280 0.91      
8 A2 3144 3009 0.00      
9 A2 1483 1419 0.00      
10 A2 801 767 0.00      
11 A2 180 172 0.00      
12 E 3145 3010 12.34      
12 E 3145 3010 12.34      
13 E 3131 2996 2.88      
13 E 3131 2996 2.88      
14 E 3046 2915 15.13      
14 E 3046 2915 15.13      
15 E 1499 1434 7.90      
15 E 1499 1434 7.90      
16 E 1486 1423 3.68      
16 E 1486 1423 3.68      
17 E 1334 1277 3.59      
17 E 1334 1277 3.59      
18 E 973 931 18.28      
18 E 973 931 18.28      
19 E 855 818 0.22      
19 E 855 818 0.22      
20 E 729 698 12.54      
20 E 729 698 12.54      
21 E 252 241 0.21      
21 E 252 241 0.21      
22 E 206 197 0.00      
22 E 206 197 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24954.1 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 23881.1 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 CCD/aug-cc-pVTZ
ABC
0.19304 0.19304 0.12435

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.606
C2 0.000 1.624 -0.280
C3 1.406 -0.812 -0.280
C4 -1.406 -0.812 -0.280
H5 0.000 1.492 -1.364
H6 -0.882 2.197 0.008
H7 0.882 2.197 0.008
H8 1.292 -0.746 -1.364
H9 2.344 -0.335 0.008
H10 1.462 -1.862 0.008
H11 -1.292 -0.746 -1.364
H12 -1.462 -1.862 0.008
H13 -2.344 -0.335 0.008

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85001.85001.85002.47152.44162.44162.47152.44162.44162.47152.44162.4416
C21.85002.81292.81291.09231.09041.09042.90913.06783.79122.90913.79123.0678
C31.85002.81292.81292.90913.79123.06781.09231.09041.09042.90913.06783.7912
C41.85002.81292.81292.90913.06783.79122.90913.79123.06781.09231.09041.0904
H52.47151.09232.90912.90911.77721.77722.58443.27303.90792.58443.90793.2730
H62.44161.09043.79123.06781.77721.76403.90794.10024.68703.27304.10022.9230
H72.44161.09043.06783.79121.77721.76403.27302.92304.10023.90794.68704.1002
H82.47152.90911.09232.90912.58443.90793.27301.77721.77722.58443.27303.9079
H92.44163.06781.09043.79123.27304.10022.92301.77721.76403.90794.10024.6870
H102.44163.79121.09043.06783.90794.68704.10021.77721.76403.27302.92304.1002
H112.47152.90912.90911.09232.58443.27303.90792.58443.90793.27301.77721.7772
H122.44163.79123.06781.09043.90794.10024.68703.27304.10022.92301.77721.7640
H132.44163.06783.79121.09043.27302.92304.10023.90794.68704.10021.77721.7640

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.678 P1 C2 H6 109.544
P1 C2 H7 109.544 P1 C3 H8 111.678
P1 C3 H9 109.544 P1 C3 H10 109.544
P1 C4 H11 111.678 P1 C4 H12 109.544
P1 C4 H13 109.544 C2 P1 C3 98.973
C2 P1 C4 98.973 C3 P1 C4 98.973
H5 C2 H6 109.015 H5 C2 H7 109.015
H6 C2 H7 107.965 H8 C3 H9 109.015
H8 C3 H10 109.015 H9 C3 H10 107.965
H11 C4 H12 109.015 H11 C4 H13 109.015
H12 C4 H13 107.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability