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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-417.128049
Energy at 298.15K-417.129482
Nuclear repulsion energy48.769374
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 BLYP/6-31+G**
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' 2002 1991 324.55      
2 A' 1118 1112 55.50      
3 A' 959 954 31.70      

Unscaled Zero Point Vibrational Energy (zpe) 2039.3 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 2028.5 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 BLYP/6-31+G**
ABC
8.49637 0.66486 0.61661

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.060 -0.493 0.000
O2 0.060 1.032 0.000
H3 -1.382 -0.859 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.52451.4880
O21.52452.3781
H31.48802.3781

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 104.253
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.539      
2 O -0.461      
3 H -0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.340 -2.434 0.000 2.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.882 0.422 0.000
y 0.422 -21.139 0.000
z 0.000 0.000 -17.102
Traceless
 xyz
x -0.761 0.422 0.000
y 0.422 -2.647 0.000
z 0.000 0.000 3.409
Polar
3z2-r26.817
x2-y21.257
xy0.422
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 26.990
(<r2>)1/2 5.195