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: MP4/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 MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-460.442237
Energy at 298.15K 
HF Energy-459.647430
Nuclear repulsion energy177.133137
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 MP4/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4/aug-cc-pVTZ
ABC
0.19235 0.19235 0.12451

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.614
C2 0.000 1.623 -0.284
C3 1.406 -0.811 -0.284
C4 -1.406 -0.811 -0.284
H5 0.000 1.478 -1.369
H6 -0.885 2.198 0.001
H7 0.885 2.198 0.001
H8 1.280 -0.739 -1.369
H9 2.346 -0.333 0.001
H10 1.462 -1.865 0.001
H11 -1.280 -0.739 -1.369
H12 -1.462 -1.865 0.001
H13 -2.346 -0.333 0.001

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85461.85461.85462.47342.44762.44762.47342.44762.44762.47342.44762.4476
C21.85462.81112.81111.09511.09281.09282.89783.06783.79272.89783.79273.0678
C31.85462.81112.81112.89783.79273.06781.09511.09281.09282.89783.06783.7927
C41.85462.81112.81112.89783.06783.79272.89783.79273.06781.09511.09281.0928
H52.47341.09512.89782.89781.78261.78262.56053.26533.89772.56053.89773.2653
H62.44761.09283.79273.06781.78261.76903.89774.10434.69223.26534.10432.9231
H72.44761.09283.06783.79271.78261.76903.26532.92314.10433.89774.69224.1043
H82.47342.89781.09512.89782.56053.89773.26531.78261.78262.56053.26533.8977
H92.44763.06781.09283.79273.26534.10432.92311.78261.76903.89774.10434.6922
H102.44763.79271.09283.06783.89774.69224.10431.78261.76903.26532.92314.1043
H112.47342.89782.89781.09512.56053.26533.89772.56053.89773.26531.78261.7826
H122.44763.79273.06781.09283.89774.10434.69223.26534.10432.92311.78261.7690
H132.44763.06783.79271.09283.26532.92314.10433.89774.69224.10431.78261.7690

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.350 P1 C2 H6 109.561
P1 C2 H7 109.561 P1 C3 H8 111.350
P1 C3 H9 109.561 P1 C3 H10 109.561
P1 C4 H11 111.350 P1 C4 H12 109.561
P1 C4 H13 109.561 C2 P1 C3 98.554
C2 P1 C4 98.554 C3 P1 C4 98.554
H5 C2 H6 109.117 H5 C2 H7 109.117
H6 C2 H7 108.071 H8 C3 H9 109.117
H8 C3 H10 109.117 H9 C3 H10 108.071
H11 C4 H12 109.117 H11 C4 H13 109.117
H12 C4 H13 108.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability