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All results from a given calculation for HPO (Hydrogen phosphorus oxide)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-417.099314
Energy at 298.15K-417.100770
Nuclear repulsion energy49.788522
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2096 2018 340.54      
2 A' 1219 1173 60.09      
3 A' 1022 983 41.46      

Unscaled Zero Point Vibrational Energy (zpe) 2168.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 2087.1 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 B3PW91/6-311G*
ABC
8.77239 0.69381 0.64296

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.059 -0.481 0.000
O2 0.059 1.010 0.000
H3 -1.362 -0.864 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.49091.4715
O21.49092.3516
H31.47152.3516

picture of Hydrogen phosphorus oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 P1 H3 105.091
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.519      
2 O -0.479      
3 H -0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.265 -2.370 0.000 2.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.450 0.378 0.000
y 0.378 -20.515 0.000
z 0.000 0.000 -16.678
Traceless
 xyz
x -0.853 0.378 0.000
y 0.378 -2.451 0.000
z 0.000 0.000 3.304
Polar
3z2-r26.608
x2-y21.065
xy0.378
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 26.103
(<r2>)1/2 5.109