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

using model chemistry: B1B95/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-418.420916
Energy at 298.15K-418.425374
HF Energy-418.420916
Nuclear repulsion energy65.647698
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-pVTZ
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 2430 2325 67.59      
2 A1 1277 1223 165.47      
3 A1 1152 1102 4.77      
4 E 2414 2311 96.51      
4 E 2414 2311 96.55      
5 E 1120 1072 26.22      
5 E 1120 1072 26.22      
6 E 841 805 25.90      
6 E 841 805 25.93      

Unscaled Zero Point Vibrational Energy (zpe) 6803.9 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 6512.1 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-pVTZ
ABC
3.52000 0.57704 0.57704

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.381
O2 0.000 0.000 -1.098
H3 0.000 1.259 1.025
H4 -1.090 -0.629 1.025
H5 1.090 -0.629 1.025

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.47901.41411.41411.4141
O21.47902.46862.46862.4686
H31.41412.46862.17992.1799
H41.41412.46862.17992.1799
H51.41412.46862.17992.1799

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 117.124 O2 P1 H4 117.124
O2 P1 H5 117.124 H3 P1 H4 100.849
H3 P1 H5 100.849 H4 P1 H5 100.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.417      
2 O -0.487      
3 H 0.023      
4 H 0.023      
5 H 0.023      


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 3.566 3.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.826 0.000 0.000
y 0.000 -18.826 0.000
z 0.000 0.000 -22.208
Traceless
 xyz
x 1.691 0.000 0.000
y 0.000 1.691 0.000
z 0.000 0.000 -3.382
Polar
3z2-r2-6.765
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 3.694 0.000 0.000
y 0.000 3.695 0.000
z 0.000 0.000 4.338


<r2> (average value of r2) Å2
<r2> 32.193
(<r2>)1/2 5.674