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All results from a given calculation for H3PO (Phosphine oxide)

using model chemistry: CCSD=FULL/aug-cc-pVDZ

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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-417.714956
Energy at 298.15K-417.719403
HF Energy-417.337556
Nuclear repulsion energy64.267610
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=FULL/aug-cc-pVDZ
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 2469 2469 77.76      
2 A1 1207 1207 171.67      
3 A1 1122 1122 11.27      
4 E 2464 2464 77.13      
4 E 2464 2464 77.13      
5 E 1138 1138 22.18      
5 E 1138 1138 22.18      
6 E 828 828 22.00      
6 E 828 828 22.00      

Unscaled Zero Point Vibrational Energy (zpe) 6827.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6827.5 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 CCSD=FULL/aug-cc-pVDZ
ABC
3.45521 0.54974 0.54974

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.394
O2 0.000 0.000 -1.127
H3 0.000 1.270 1.034
H4 -1.100 -0.635 1.034
H5 1.100 -0.635 1.034

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.52161.42211.42211.4221
O21.52162.50662.50662.5066
H31.42212.50662.20022.2002
H41.42212.50662.20022.2002
H51.42212.50662.20022.2002

picture of Phosphine oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 P1 H3 116.713 O2 P1 H4 116.713
O2 P1 H5 116.713 H3 P1 H4 101.356
H3 P1 H5 101.356 H4 P1 H5 101.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability