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

using model chemistry: LSDA/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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-417.040871
Energy at 298.15K-417.045257
HF Energy-417.040871
Nuclear repulsion energy64.133272
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 LSDA/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 2291 2266 72.43      
2 A1 1213 1200 126.97      
3 A1 1083 1071 4.30      
4 E 2271 2246 115.49      
4 E 2271 2246 115.50      
5 E 1039 1027 23.82      
5 E 1039 1027 23.82      
6 E 788 780 19.40      
6 E 788 780 19.40      

Unscaled Zero Point Vibrational Energy (zpe) 6391.2 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 6320.9 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 LSDA/cc-pVDZ
ABC
3.40494 0.54971 0.54971

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/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 -1.126
H3 0.000 1.280 1.067
H4 -1.108 -0.640 1.067
H5 1.108 -0.640 1.067

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.51261.44901.44901.4490
O21.51262.53862.53862.5386
H31.44902.53862.21642.2164
H41.44902.53862.21642.2164
H51.44902.53862.21642.2164

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 117.981 O2 P1 H4 117.981
O2 P1 H5 117.981 H3 P1 H4 99.777
H3 P1 H5 99.777 H4 P1 H5 99.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.330      
2 O -0.388      
3 H 0.019      
4 H 0.019      
5 H 0.019      


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 3.310 3.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.132 0.000 0.000
y 0.000 -19.132 0.000
z 0.000 0.000 -21.659
Traceless
 xyz
x 1.264 0.000 0.000
y 0.000 1.264 0.000
z 0.000 0.000 -2.528
Polar
3z2-r2-5.055
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 3.576 0.000 0.000
y 0.000 3.576 0.000
z 0.000 0.000 4.309


<r2> (average value of r2) Å2
<r2> 33.186
(<r2>)1/2 5.761