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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-417.138179
Energy at 298.15K-417.139630
Nuclear repulsion energy49.520326
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/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' 2122 2037 355.34      
2 A' 1204 1156 46.01      
3 A' 1018 977 40.09      

Unscaled Zero Point Vibrational Energy (zpe) 2171.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 2085.5 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 B3LYP/6-31G*
ABC
8.82785 0.68490 0.63559

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.059 -0.484 0.000
O2 0.059 1.016 0.000
H3 -1.358 -0.876 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.50021.4699
O21.50022.3640
H31.46992.3640

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 105.481
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.537 0.298 1.648 0.282
2 O -0.447 -0.316 -1.244 -0.306
3 H -0.090 0.018 -0.403 0.023


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.301 -2.164 0.000 2.185
CHELPG -0.122 -2.313 0.000 2.316
AIM -1.192 2.379 0.000 2.661
ESP -0.157 -2.245 0.000 2.251


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.219 0.472 0.000
y 0.472 -20.205 0.000
z 0.000 0.000 -16.607
Traceless
 xyz
x -0.813 0.472 0.000
y 0.472 -2.292 0.000
z 0.000 0.000 3.105
Polar
3z2-r26.209
x2-y20.986
xy0.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.301 0.556 -0.000
y 0.556 3.639 0.000
z -0.000 0.000 2.234


<r2> (average value of r2) Å2
<r2> 26.131
(<r2>)1/2 5.112