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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G
 hartrees
Energy at 0K-22.947345
Energy at 298.15K-22.948750
Nuclear repulsion energy12.947211
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 B1B95/CEP-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' 2012 1927 359.43      
2 A' 991 949 27.05      
3 A' 923 884 23.66      

Unscaled Zero Point Vibrational Energy (zpe) 1963.3 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 1879.9 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 B1B95/CEP-31G
ABC
8.04116 0.60179 0.55989

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.062 -0.523 0.000
O2 0.062 1.084 0.000
H3 -1.417 -0.825 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.60711.5087
O21.60712.4146
H31.50872.4146

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 101.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.540      
2 O -0.490      
3 H -0.051      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.789 -2.886 0.000 2.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.417 0.749 0.000
y 0.749 -21.287 0.000
z 0.000 0.000 -16.193
Traceless
 xyz
x 0.323 0.749 0.000
y 0.749 -3.982 0.000
z 0.000 0.000 3.659
Polar
3z2-r27.319
x2-y22.870
xy0.749
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.071 0.604 0.000
y 0.604 4.224 0.000
z 0.000 0.000 1.966


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