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: QCISD(T)/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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-460.429042
Energy at 298.15K 
HF Energy-459.646336
Nuclear repulsion energy177.121274
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 QCISD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVTZ
ABC
0.19227 0.19227 0.12445

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/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 -0.812 -0.284
C4 -1.406 -0.812 -0.284
H5 0.000 1.483 -1.369
H6 -0.883 2.200 -0.000
H7 0.883 2.200 -0.000
H8 1.284 -0.741 -1.369
H9 2.346 -0.335 -0.000
H10 1.463 -1.865 -0.000
H11 -1.284 -0.741 -1.369
H12 -1.463 -1.865 -0.000
H13 -2.346 -0.335 -0.000

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85471.85471.85472.47592.44852.44852.47592.44852.44852.47592.44852.4485
C21.85472.81122.81121.09411.09201.09202.90133.06933.79282.90133.79283.0693
C31.85472.81122.81122.90133.79283.06931.09411.09201.09202.90133.06933.7928
C41.85472.81122.81122.90133.06933.79282.90133.79283.06931.09411.09201.0920
H52.47591.09412.90132.90131.77941.77942.56863.26873.90132.56863.90133.2687
H62.44851.09203.79283.06931.77941.76603.90134.10544.69293.26874.10542.9268
H72.44851.09203.06933.79281.77941.76603.26872.92684.10543.90134.69294.1054
H82.47592.90131.09412.90132.56863.90133.26871.77941.77942.56863.26873.9013
H92.44853.06931.09203.79283.26874.10542.92681.77941.76603.90134.10544.6929
H102.44853.79281.09203.06933.90134.69294.10541.77941.76603.26872.92684.1054
H112.47592.90132.90131.09412.56863.26873.90132.56863.90133.26871.77941.7794
H122.44853.79283.06931.09203.90134.10544.69293.26874.10542.92681.77941.7660
H132.44853.06933.79281.09203.26872.92684.10543.90134.69294.10541.77941.7660

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.588 P1 C2 H6 109.655
P1 C2 H7 109.655 P1 C3 H8 111.587
P1 C3 H9 109.655 P1 C3 H10 109.655
P1 C4 H11 111.587 P1 C4 H12 109.655
P1 C4 H13 109.655 C2 P1 C3 98.550
C2 P1 C4 98.550 C3 P1 C4 98.550
H5 C2 H6 108.974 H5 C2 H7 108.974
H6 C2 H7 107.916 H8 C3 H9 108.974
H8 C3 H10 108.974 H9 C3 H10 107.916
H11 C4 H12 108.974 H11 C4 H13 108.974
H12 C4 H13 107.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability