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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-417.142238
Energy at 298.15K-417.143685
Nuclear repulsion energy49.096183
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 mPW1PW91/aug-cc-pVDZ
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' 2144 2054 245.50      
2 A' 1182 1132 65.78      
3 A' 985 944 20.22      

Unscaled Zero Point Vibrational Energy (zpe) 2155.1 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2065.2 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 mPW1PW91/aug-cc-pVDZ
ABC
8.55159 0.67435 0.62506

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.060 -0.491 0.000
O2 0.060 1.024 0.000
H3 -1.376 -0.831 0.000

Atom - Atom Distances (Å)
  P1 O2 H3
P11.51501.4760
O21.51502.3460
H31.47602.3460

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 103.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.448      
2 O -0.629      
3 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.448 -2.348 0.000 2.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.284 0.576 0.000
y 0.576 -20.856 0.000
z 0.000 0.000 -16.980
Traceless
 xyz
x -0.366 0.576 0.000
y 0.576 -2.724 0.000
z 0.000 0.000 3.090
Polar
3z2-r26.180
x2-y21.572
xy0.576
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.496 0.329 0.000
y 0.329 4.805 0.000
z 0.000 0.000 3.289


<r2> (average value of r2) Å2
<r2> 26.565
(<r2>)1/2 5.154