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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-418.347804
Energy at 298.15K-418.352245
HF Energy-418.347804
Nuclear repulsion energy64.557511
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 mPW1PW91/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 2413 2313 74.18      
2 A1 1244 1192 173.96      
3 A1 1133 1085 0.07      
4 E 2394 2294 121.14      
4 E 2394 2294 121.16      
5 E 1108 1062 31.69      
5 E 1108 1062 31.69      
6 E 828 794 26.75      
6 E 828 794 26.75      

Unscaled Zero Point Vibrational Energy (zpe) 6725.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 6444.8 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 mPW1PW91/cc-pVDZ
ABC
3.46709 0.55614 0.55614

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.387
O2 0.000 0.000 -1.120
H3 0.000 1.268 1.050
H4 -1.098 -0.634 1.050
H5 1.098 -0.634 1.050

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.50691.43111.43111.4311
O21.50692.51342.51342.5134
H31.43112.51342.19652.1965
H41.43112.51342.19652.1965
H51.43112.51342.19652.1965

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 117.607 O2 P1 H4 117.607
O2 P1 H5 117.607 H3 P1 H4 100.246
H3 P1 H5 100.246 H4 P1 H5 100.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.495      
2 O -0.473      
3 H -0.007      
4 H -0.007      
5 H -0.007      


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 3.555 3.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.877 0.000 0.000
y 0.000 -18.877 0.000
z 0.000 0.000 -21.843
Traceless
 xyz
x 1.483 0.000 0.000
y 0.000 1.483 0.000
z 0.000 0.000 -2.967
Polar
3z2-r2-5.933
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 3.346 0.000 0.000
y 0.000 3.346 0.000
z 0.000 0.000 4.045


<r2> (average value of r2) Å2
<r2> 32.820
(<r2>)1/2 5.729