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

using model chemistry: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-418.197655
Energy at 298.15K-418.202124
HF Energy-418.197655
Nuclear repulsion energy65.359810
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 HSEh1PBE/6-311G**
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 2420 2324 89.49      
2 A1 1278 1227 209.24      
3 A1 1169 1123 0.00      
4 E 2397 2302 131.64      
4 E 2397 2302 131.65      
5 E 1118 1074 37.09      
5 E 1118 1074 37.09      
6 E 860 826 36.19      
6 E 860 826 36.19      

Unscaled Zero Point Vibrational Energy (zpe) 6808.1 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 6538.5 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 HSEh1PBE/6-311G**
ABC
3.51596 0.57140 0.57140

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.381
O2 0.000 0.000 -1.104
H3 0.000 1.259 1.040
H4 -1.091 -0.630 1.040
H5 1.091 -0.630 1.040

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48471.42131.42141.4214
O21.48472.48632.48632.4863
H31.42132.48632.18112.1811
H41.42142.48632.18112.1811
H51.42142.48632.18112.1811

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 117.628 O2 P1 H4 117.628
O2 P1 H5 117.628 H3 P1 H4 100.220
H3 P1 H5 100.220 H4 P1 H5 100.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.710      
2 O -0.577      
3 H -0.044      
4 H -0.044      
5 H -0.044      


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 3.828 3.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.100 0.000 0.000
y 0.000 -19.100 0.000
z 0.000 0.000 -22.525
Traceless
 xyz
x 1.712 0.000 0.000
y 0.000 1.712 0.000
z 0.000 0.000 -3.425
Polar
3z2-r2-6.849
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 3.248 0.000 0.000
y 0.000 3.248 0.000
z 0.000 0.000 4.032


<r2> (average value of r2) Å2
<r2> 32.568
(<r2>)1/2 5.707