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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-416.923717
Energy at 298.15K-416.925167
HF Energy-416.823323
Nuclear repulsion energy49.366649
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 B2PLYP/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' 2182 2071 361.62      
2 A' 1167 1108 33.52      
3 A' 1030 978 43.11      

Unscaled Zero Point Vibrational Energy (zpe) 2189.2 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 2078.0 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 B2PLYP/6-31G*
ABC
8.94280 0.67900 0.63108

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.059 -0.486 0.000
O2 0.059 1.021 0.000
H3 -1.349 -0.878 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.50681.4609
O21.50682.3636
H31.46092.3636

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 105.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.614      
2 O -0.513      
3 H -0.101      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.262 0.563 0.000
y 0.563 3.698 0.000
z 0.000 0.000 2.236


<r2> (average value of r2) Å2
<r2> 26.276
(<r2>)1/2 5.126