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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-23.072237
Energy at 298.15K-23.073681
Nuclear repulsion energy13.600226
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 B3LYP/CEP-121G*
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' 2077 2014 324.17      
2 A' 1172 1136 61.03      
3 A' 989 958 29.83      

Unscaled Zero Point Vibrational Energy (zpe) 2118.8 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 2054.0 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 B3LYP/CEP-121G*
ABC
8.47385 0.67383 0.62420

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.120 0.727 0.000
O2 0.120 -0.788 0.000
H3 -1.324 1.092 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.51421.4897
O21.51422.3701
H31.48972.3701

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 104.187
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.381      
2 O -0.345      
3 H -0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.250 2.337 0.000 2.351
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.473 -0.349 0.000
y -0.349 -18.412 0.000
z 0.000 0.000 -15.929
Traceless
 xyz
x -1.303 -0.349 0.000
y -0.349 -1.210 0.000
z 0.000 0.000 2.513
Polar
3z2-r25.026
x2-y2-0.061
xy-0.349
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.932 -0.551 0.002
y -0.551 4.037 0.001
z 0.002 0.001 2.491


<r2> (average value of r2) Å2
<r2> 20.461
(<r2>)1/2 4.523