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

using model chemistry: CCSD=FULL/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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-417.888278
Energy at 298.15K-417.892756
HF Energy-417.392185
Nuclear repulsion energy65.732855
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-pVTZ
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 2483 2361 69.00      
2 A1 1269 1206 186.40      
3 A1 1166 1109 2.30      
4 E 2470 2349 73.28      
4 E 2470 2349 73.28      
5 E 1162 1105 23.87      
5 E 1162 1105 23.87      
6 E 856 815 25.42      
6 E 856 815 25.42      

Unscaled Zero Point Vibrational Energy (zpe) 6947.0 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 6606.6 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-pVTZ
ABC
3.55428 0.57743 0.57743

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.383
O2 0.000 0.000 -1.099
H3 0.000 1.252 1.017
H4 -1.085 -0.626 1.017
H5 1.085 -0.626 1.017

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48111.40401.40401.4040
O21.48112.45852.45852.4585
H31.40402.45852.16942.1694
H41.40402.45852.16942.1694
H51.40402.45852.16942.1694

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 116.865 O2 P1 H4 116.865
O2 P1 H5 116.865 H3 P1 H4 101.169
H3 P1 H5 101.169 H4 P1 H5 101.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability