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

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-418.322951
Energy at 298.15K-418.327419
HF Energy-418.322951
Nuclear repulsion energy65.283054
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 wB97X-D/6-31+G**
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 2429 2313 94.61      
2 A1 1276 1215 256.93      
3 A1 1175 1119 0.01      
4 E 2409 2294 119.66      
4 E 2409 2294 119.62      
5 E 1140 1086 36.95      
5 E 1140 1086 37.01      
6 E 855 814 27.27      
6 E 855 814 27.16      

Unscaled Zero Point Vibrational Energy (zpe) 6843.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 6517.4 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 wB97X-D/6-31+G**
ABC
3.51149 0.56944 0.56944

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

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 -1.103
H3 0.000 1.261 1.025
H4 -1.092 -0.631 1.025
H5 1.092 -0.631 1.025

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48541.41531.41531.4153
O21.48542.47352.47352.4735
H31.41532.47352.18422.1842
H41.41532.47352.18422.1842
H51.41532.47352.18422.1842

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 117.000 O2 P1 H4 117.000
O2 P1 H5 117.000 H3 P1 H4 101.002
H3 P1 H5 101.002 H4 P1 H5 101.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.793      
2 O -0.686      
3 H -0.036      
4 H -0.036      
5 H -0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 4.154 4.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.078 0.000 0.000
y 0.000 -19.078 0.000
z 0.000 0.000 -22.900
Traceless
 xyz
x 1.911 0.000 0.000
y 0.000 1.911 0.000
z 0.000 0.000 -3.822
Polar
3z2-r2-7.645
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.397 0.000 0.000
y 0.000 3.396 -0.001
z 0.000 -0.001 4.458


<r2> (average value of r2) Å2
<r2> 32.645
(<r2>)1/2 5.714