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

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-415.042744
Energy at 298.15K-415.044208
HF Energy-415.042744
Nuclear repulsion energy49.614307
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 wB97X-D/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2229 2112 306.45      
2 A' 1269 1203 34.98      
3 A' 1052 997 49.62      

Unscaled Zero Point Vibrational Energy (zpe) 2274.7 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 2156.0 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 wB97X-D/3-21G*
ABC
9.01715 0.68606 0.63755

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.058 -0.478 0.000
O2 0.058 1.013 0.000
H3 -1.332 -0.929 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.49091.4608
O21.49092.3877
H31.46082.3877

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 107.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.479      
2 O -0.389      
3 H -0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.269 -1.962 0.000 1.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.146 0.451 0.000
y 0.451 -20.234 0.000
z 0.000 0.000 -16.544
Traceless
 xyz
x -0.757 0.451 0.000
y 0.451 -2.389 0.000
z 0.000 0.000 3.146
Polar
3z2-r26.293
x2-y21.088
xy0.451
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.990 0.600 0.000
y 0.600 3.257 0.000
z 0.000 0.000 2.019


<r2> (average value of r2) Å2
<r2> 26.066
(<r2>)1/2 5.105