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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-418.358667
Energy at 298.15K-418.363108
HF Energy-418.358667
Nuclear repulsion energy64.669814
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/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 A1 2412 2318 73.28      
2 A1 1246 1197 174.23      
3 A1 1132 1088 0.30      
4 E 2394 2301 121.03      
4 E 2394 2301 121.05      
5 E 1106 1063 32.19      
5 E 1106 1063 32.19      
6 E 828 796 27.16      
6 E 828 796 27.15      

Unscaled Zero Point Vibrational Energy (zpe) 6722.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 6461.9 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/cc-pVDZ
ABC
3.48040 0.55806 0.55806

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.386
O2 0.000 0.000 -1.118
H3 0.000 1.266 1.049
H4 -1.096 -0.633 1.049
H5 1.096 -0.633 1.049

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.50411.42871.42871.4287
O21.50412.50952.50952.5095
H31.42872.50952.19232.1923
H41.42872.50952.19232.1923
H51.42872.50952.19232.1923

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 117.640 O2 P1 H4 117.640
O2 P1 H5 117.640 H3 P1 H4 100.206
H3 P1 H5 100.206 H4 P1 H5 100.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.508      
2 O -0.465      
3 H -0.014      
4 H -0.014      
5 H -0.014      


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 3.509 3.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.874 0.000 0.000
y 0.000 -18.874 0.000
z 0.000 0.000 -21.802
Traceless
 xyz
x 1.464 0.000 0.000
y 0.000 1.464 0.000
z 0.000 0.000 -2.929
Polar
3z2-r2-5.857
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 3.342 0.000 0.000
y 0.000 3.342 0.000
z 0.000 0.000 4.033


<r2> (average value of r2) Å2
<r2> 32.741
(<r2>)1/2 5.722