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

using model chemistry: PBE1PBE/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-418.211762
Energy at 298.15K-418.216226
HF Energy-418.211762
Nuclear repulsion energy65.852716
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 PBE1PBE/cc-pV(T+d)Z
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 2425 2425 64.10      
2 A1 1290 1290 162.16      
3 A1 1156 1156 5.44      
4 E 2408 2408 90.15      
4 E 2408 2408 90.16      
5 E 1119 1119 25.55      
5 E 1119 1119 25.55      
6 E 847 847 26.21      
6 E 847 847 26.20      

Unscaled Zero Point Vibrational Energy (zpe) 6809.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6809.5 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 PBE1PBE/cc-pV(T+d)Z
ABC
3.51178 0.58174 0.58174

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.378
O2 0.000 0.000 -1.093
H3 0.000 1.260 1.024
H4 -1.091 -0.630 1.024
H5 1.091 -0.630 1.024

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.47151.41601.41601.4160
O21.47152.46402.46402.4640
H31.41602.46402.18242.1824
H41.41602.46402.18242.1824
H51.41602.46402.18242.1824

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 117.142 O2 P1 H4 117.142
O2 P1 H5 117.142 H3 P1 H4 100.826
H3 P1 H5 100.826 H4 P1 H5 100.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.529      
2 O -0.497      
3 H -0.010      
4 H -0.010      
5 H -0.010      


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 3.510 3.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.839 0.000 0.000
y 0.000 -18.839 0.000
z 0.000 0.000 -22.172
Traceless
 xyz
x 1.666 0.000 0.000
y 0.000 1.666 0.000
z 0.000 0.000 -3.333
Polar
3z2-r2-6.666
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 3.696 0.000 0.000
y 0.000 3.696 0.000
z 0.000 0.000 4.300


<r2> (average value of r2) Å2
<r2> 32.079
(<r2>)1/2 5.664