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: CCSD/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 CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-460.410844
Energy at 298.15K 
HF Energy-459.647856
Nuclear repulsion energy177.354949
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 CCSD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/aug-cc-pVTZ
ABC
0.19292 0.19292 0.12435

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.607
C2 0.000 1.624 -0.281
C3 1.406 -0.812 -0.281
C4 -1.406 -0.812 -0.281
H5 0.000 1.490 -1.365
H6 -0.882 2.197 0.007
H7 0.882 2.197 0.007
H8 1.291 -0.745 -1.365
H9 2.344 -0.334 0.007
H10 1.462 -1.863 0.007
H11 -1.291 -0.745 -1.365
H12 -1.462 -1.863 0.007
H13 -2.344 -0.334 0.007

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85071.85071.85072.47202.44272.44272.47202.44272.44272.47202.44272.4427
C21.85072.81282.81281.09281.09091.09092.90783.06803.79172.90783.79173.0680
C31.85072.81282.81282.90783.79173.06801.09281.09091.09092.90783.06803.7917
C41.85072.81282.81282.90783.06803.79172.90783.79173.06801.09281.09091.0909
H52.47201.09282.90782.90781.77791.77792.58153.27223.90692.58153.90693.2722
H62.44271.09093.79173.06801.77791.76503.90694.10124.68823.27224.10122.9233
H72.44271.09093.06803.79171.77791.76503.27222.92334.10123.90694.68824.1012
H82.47202.90781.09282.90782.58153.90693.27221.77791.77792.58153.27223.9069
H92.44273.06801.09093.79173.27224.10122.92331.77791.76503.90694.10124.6882
H102.44273.79171.09093.06803.90694.68824.10121.77791.76503.27222.92334.1012
H112.47202.90782.90781.09282.58153.27223.90692.58153.90693.27221.77791.7779
H122.44273.79173.06801.09093.90694.10124.68823.27224.10122.92331.77791.7650
H132.44273.06803.79171.09093.27222.92334.10123.90694.68824.10121.77791.7650

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.637 P1 C2 H6 109.557
P1 C2 H7 109.557 P1 C3 H8 111.637
P1 C3 H9 109.557 P1 C3 H10 109.557
P1 C4 H11 111.637 P1 C4 H12 109.557
P1 C4 H13 109.557 C2 P1 C3 98.918
C2 P1 C4 98.918 C3 P1 C4 98.917
H5 C2 H6 109.014 H5 C2 H7 109.014
H6 C2 H7 107.985 H8 C3 H9 109.014
H8 C3 H10 109.014 H9 C3 H10 107.985
H11 C4 H12 109.014 H11 C4 H13 109.014
H12 C4 H13 107.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability