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

using model chemistry: TPSSh/aug-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 TPSSh/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-418.452491
Energy at 298.15K-418.457034
HF Energy-418.452491
Nuclear repulsion energy65.637404
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 TPSSh/aug-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 2434 2434 74.05      
2 A1 1257 1257 171.75      
3 A1 1153 1153 0.28      
4 E 2418 2418 79.88      
4 E 2418 2418 79.91      
5 E 1135 1135 22.08      
5 E 1135 1135 22.09      
6 E 840 840 21.20      
6 E 840 840 21.17      

Unscaled Zero Point Vibrational Energy (zpe) 6814.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6814.4 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 TPSSh/aug-cc-pV(T+d)Z
ABC
3.51452 0.57680 0.57680

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.382
O2 0.000 0.000 -1.099
H3 0.000 1.260 1.019
H4 -1.091 -0.630 1.019
H5 1.091 -0.630 1.019

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48071.41151.41151.4115
O21.48072.46412.46412.4641
H31.41152.46412.18162.1816
H41.41152.46412.18162.1816
H51.41152.46412.18162.1816

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 116.831 O2 P1 H4 116.831
O2 P1 H5 116.831 H3 P1 H4 101.210
H3 P1 H5 101.210 H4 P1 H5 101.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.813      
2 O -0.800      
3 H -0.004      
4 H -0.004      
5 H -0.004      


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 4.223 4.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.181 0.000 0.000
y 0.000 4.182 0.000
z 0.000 0.000 5.000


<r2> (average value of r2) Å2
<r2> 32.311
(<r2>)1/2 5.684