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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-418.234429
Energy at 298.15K-418.238892
HF Energy-418.234429
Nuclear repulsion energy65.852261
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 HSEh1PBE/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 2420 2420 64.79      
2 A1 1289 1289 162.62      
3 A1 1156 1156 5.25      
4 E 2404 2404 91.39      
4 E 2404 2404 91.41      
5 E 1119 1119 25.85      
5 E 1119 1119 25.85      
6 E 846 846 26.25      
6 E 846 846 26.25      

Unscaled Zero Point Vibrational Energy (zpe) 6801.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6801.3 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 HSEh1PBE/cc-pV(T+d)Z
ABC
3.51275 0.58169 0.58169

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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
P11.47161.41571.41571.4157
O21.47162.46392.46392.4639
H31.41572.46392.18212.1821
H41.41572.46392.18212.1821
H51.41572.46392.18212.1821

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 117.139 O2 P1 H4 117.139
O2 P1 H5 117.139 H3 P1 H4 100.830
H3 P1 H5 100.830 H4 P1 H5 100.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.528      
2 O -0.500      
3 H -0.009      
4 H -0.009      
5 H -0.009      


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 3.513 3.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.851 0.000 0.000
y 0.000 -18.851 0.000
z 0.000 0.000 -22.190
Traceless
 xyz
x 1.670 0.000 0.000
y 0.000 1.670 0.000
z 0.000 0.000 -3.339
Polar
3z2-r2-6.679
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 3.699 0.000 0.000
y 0.000 3.699 0.000
z 0.000 0.000 4.305


<r2> (average value of r2) Å2
<r2> 32.087
(<r2>)1/2 5.665