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

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-416.155538
Energy at 298.15K-416.157011
Nuclear repulsion energy50.148986
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 HF/aug-cc-pVDZ
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' 2328 2120 268.82      
2 A' 1309 1192 111.43      
3 A' 1078 982 36.67      

Unscaled Zero Point Vibrational Energy (zpe) 2357.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 2146.8 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 HF/aug-cc-pVDZ
ABC
8.91872 0.70366 0.65220

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.059 -0.479 0.000
O2 0.059 1.003 0.000
H3 -1.349 -0.831 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.48211.4508
O21.48212.3118
H31.45082.3118

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 104.039
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.790 0.000    
2 O -0.833 0.000    
3 H 0.042 0.000    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.576 -2.732 0.000 2.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.326 0.803 0.000
y 0.803 -21.415 0.000
z 0.000 0.000 -16.838
Traceless
 xyz
x -0.200 0.803 0.000
y 0.803 -3.332 0.000
z 0.000 0.000 3.532
Polar
3z2-r27.064
x2-y22.088
xy0.803
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.154 0.295 0.000
y 0.295 4.419 0.000
z 0.000 0.000 3.223


<r2> (average value of r2) Å2
<r2> 26.067
(<r2>)1/2 5.106