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

using model chemistry: M06-2X/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 M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-418.364786
Energy at 298.15K-418.369263
HF Energy-418.364786
Nuclear repulsion energy65.609231
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 M06-2X/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 2455 2346 62.70      
2 A1 1267 1211 186.62      
3 A1 1164 1112 0.61      
4 E 2447 2339 64.15      
4 E 2447 2339 64.10      
5 E 1143 1093 21.18      
5 E 1143 1093 20.95      
6 E 862 824 24.97      
6 E 862 824 24.27      

Unscaled Zero Point Vibrational Energy (zpe) 6895.2 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 6589.7 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 M06-2X/aug-cc-pVTZ
ABC
3.51207 0.57612 0.57612

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/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 1.260 1.014
H4 -1.091 -0.630 1.014
H5 1.091 -0.630 1.014

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48291.40911.40911.4091
O21.48292.46092.46092.4609
H31.40912.46092.18232.1823
H41.40912.46092.18232.1823
H51.40912.46092.18232.1823

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 116.599 O2 P1 H4 116.599
O2 P1 H5 116.599 H3 P1 H4 101.496
H3 P1 H5 101.496 H4 P1 H5 101.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.303      
2 O -0.747      
3 H 0.148      
4 H 0.148      
5 H 0.148      


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 3.934 3.934
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.926 0.000 0.000
y 0.000 -18.926 0.000
z 0.000 0.000 -22.920
Traceless
 xyz
x 1.997 0.000 0.000
y 0.000 1.997 0.000
z 0.000 0.000 -3.994
Polar
3z2-r2-7.987
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 4.060 0.000 0.000
y 0.000 4.033 -0.005
z 0.000 -0.005 4.781


<r2> (average value of r2) Å2
<r2> 32.378
(<r2>)1/2 5.690