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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-416.885757
Energy at 298.15K-416.887196
HF Energy-416.885757
Nuclear repulsion energy48.974365
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 PBEPBEultrafine/6-31G*
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' 2030 1997 347.13      
2 A' 1153 1134 38.92      
3 A' 980 963 34.04      

Unscaled Zero Point Vibrational Energy (zpe) 2081.2 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 2046.8 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 PBEPBEultrafine/6-31G*
ABC
8.60905 0.67013 0.62174

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.060 -0.487 0.000
O2 0.060 1.025 0.000
H3 -1.372 -0.895 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.51251.4885
O21.51252.3956
H31.48852.3956

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 105.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.477      
2 O -0.402      
3 H -0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.293 -1.945 0.000 1.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.290 0.454 0.000
y 0.454 -20.053 0.000
z 0.000 0.000 -16.737
Traceless
 xyz
x -0.895 0.454 0.000
y 0.454 -2.040 0.000
z 0.000 0.000 2.935
Polar
3z2-r25.870
x2-y20.763
xy0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.407 0.585 0.000
y 0.585 3.757 0.000
z 0.000 0.000 2.253


<r2> (average value of r2) Å2
<r2> 26.468
(<r2>)1/2 5.145