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All results from a given calculation for H3PO (Phosphine oxide)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-418.318924
Energy at 298.15K-418.323345
HF Energy-418.318924
Nuclear repulsion energy64.646329
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 B97D3/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2356 2315 119.33      
2 A1 1225 1204 212.83      
3 A1 1117 1098 1.85      
4 E 2334 2294 147.38      
4 E 2334 2294 147.37      
5 E 1095 1076 31.62      
5 E 1095 1076 31.61      
6 E 815 800 19.48      
6 E 814 800 19.46      

Unscaled Zero Point Vibrational Energy (zpe) 6591.9 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 6478.6 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 B97D3/6-31+G**
ABC
3.46439 0.55786 0.55786

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.388
O2 0.000 0.000 -1.118
H3 0.000 1.269 1.042
H4 -1.099 -0.634 1.042
H5 1.099 -0.634 1.042

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.50571.42751.42751.4275
O21.50572.50522.50522.5052
H31.42752.50522.19732.1973
H41.42752.50522.19732.1973
H51.42752.50522.19732.1973

picture of Phosphine oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 P1 H3 117.226 O2 P1 H4 117.226
O2 P1 H5 117.226 H3 P1 H4 100.722
H3 P1 H5 100.722 H4 P1 H5 100.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.709      
2 O -0.646      
3 H -0.021      
4 H -0.021      
5 H -0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 3.878 3.878
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.260 0.000 0.000
y 0.000 -19.260 0.000
z 0.000 0.000 -22.808
Traceless
 xyz
x 1.774 0.000 0.000
y 0.000 1.774 0.000
z 0.000 0.000 -3.548
Polar
3z2-r2-7.096
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.585 0.000 0.000
y 0.000 3.585 -0.000
z 0.000 -0.000 4.846


<r2> (average value of r2) Å2
<r2> 33.110
(<r2>)1/2 5.754