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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-415.800119
Energy at 298.15K-415.801561
Nuclear repulsion energy49.385089
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 LSDA/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' 2023 1985 322.56      
2 A' 1194 1171 42.31      
3 A' 977 959 33.06      

Unscaled Zero Point Vibrational Energy (zpe) 2096.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 2057.5 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 LSDA/6-31G*
ABC
8.59155 0.68302 0.63272

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.060 -0.484 0.000
O2 0.060 1.018 0.000
H3 -1.376 -0.882 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.50191.4904
O21.50192.3817
H31.49042.3817

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 105.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.451      
2 O -0.389      
3 H -0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.323 -1.996 0.000 2.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.211 0.485 0.000
y 0.485 -20.049 0.000
z 0.000 0.000 -16.717
Traceless
 xyz
x -0.828 0.485 0.000
y 0.485 -2.085 0.000
z 0.000 0.000 2.912
Polar
3z2-r25.825
x2-y20.838
xy0.485
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.435 0.581 0.000
y 0.581 3.667 0.000
z 0.000 0.000 2.232


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000