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

using model chemistry: HSEh1PBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-418.228385
Energy at 298.15K-418.232834
HF Energy-418.228385
Nuclear repulsion energy65.407686
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/aug-cc-pVTZ
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 2417 2324 71.37      
2 A1 1251 1203 168.28      
3 A1 1139 1095 2.84      
4 E 2405 2313 73.57      
4 E 2405 2313 73.58      
5 E 1114 1072 19.88      
5 E 1114 1072 19.88      
6 E 833 801 21.84      
6 E 833 801 21.83      

Unscaled Zero Point Vibrational Energy (zpe) 6754.5 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 6496.5 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/aug-cc-pVTZ
ABC
3.48008 0.57313 0.57313

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.383
O2 0.000 0.000 -1.102
H3 0.000 1.266 1.023
H4 -1.096 -0.633 1.023
H5 1.096 -0.633 1.023

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48501.41841.41841.4184
O21.48502.47352.47352.4735
H31.41842.47352.19242.1924
H41.41842.47352.19242.1924
H51.41842.47352.19242.1924

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 116.827 O2 P1 H4 116.827
O2 P1 H5 116.827 H3 P1 H4 101.216
H3 P1 H5 101.216 H4 P1 H5 101.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.586      
2 O -0.772      
3 H 0.062      
4 H 0.062      
5 H 0.062      


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 3.724 3.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.957 0.000 0.000
y 0.000 -18.957 0.000
z 0.000 0.000 -22.769
Traceless
 xyz
x 1.906 0.000 0.000
y 0.000 1.906 0.000
z 0.000 0.000 -3.813
Polar
3z2-r2-7.625
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 4.227 0.000 0.000
y 0.000 4.227 -0.000
z 0.000 -0.000 5.011


<r2> (average value of r2) Å2
<r2> 32.497
(<r2>)1/2 5.701