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

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-418.379388
Energy at 298.15K-418.383791
HF Energy-418.379388
Nuclear repulsion energy64.122722
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 BLYP/TZVP
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 2293 2287 98.88      
2 A1 1194 1191 180.50      
3 A1 1092 1090 3.09      
4 E 2272 2267 137.19      
4 E 2272 2267 137.21      
5 E 1080 1077 28.24      
5 E 1080 1077 28.24      
6 E 795 793 22.31      
6 E 795 793 22.31      

Unscaled Zero Point Vibrational Energy (zpe) 6436.8 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 6420.7 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 BLYP/TZVP
ABC
3.43252 0.54810 0.54810

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.391
O2 0.000 0.000 -1.128
H3 0.000 1.274 1.053
H4 -1.104 -0.637 1.053
H5 1.104 -0.637 1.053

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.51951.43591.43591.4359
O21.51952.52602.52602.5260
H31.43592.52602.20752.2075
H41.43592.52602.20752.2075
H51.43592.52602.20752.2075

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 117.427 O2 P1 H4 117.427
O2 P1 H5 117.427 H3 P1 H4 100.471
H3 P1 H5 100.471 H4 P1 H5 100.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.547      
2 O -0.494      
3 H -0.017      
4 H -0.017      
5 H -0.017      


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 3.741 3.741
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.459 0.000 0.000
y 0.000 -19.459 0.000
z 0.000 0.000 -22.902
Traceless
 xyz
x 1.722 0.000 0.000
y 0.000 1.722 0.000
z 0.000 0.000 -3.443
Polar
3z2-r2-6.886
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 3.616 0.000 0.000
y 0.000 3.616 0.000
z 0.000 0.000 4.770


<r2> (average value of r2) Å2
<r2> 33.547
(<r2>)1/2 5.792