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

using model chemistry: SVWN/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 SVWN/cc-pVTZ
 hartrees
Energy at 0K-417.112126
Energy at 298.15K-417.116530
HF Energy-417.112126
Nuclear repulsion energy65.169587
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 SVWN/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 2317 2294 62.42      
2 A1 1245 1233 128.21      
3 A1 1095 1085 7.75      
4 E 2303 2280 83.24      
4 E 2303 2280 83.25      
5 E 1052 1042 19.00      
5 E 1052 1042 19.00      
6 E 799 792 18.94      
6 E 799 792 18.93      

Unscaled Zero Point Vibrational Energy (zpe) 6483.1 cm-1
Scaled (by 0.9903) Zero Point Vibrational Energy (zpe) 6420.2 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 SVWN/cc-pVTZ
ABC
3.44799 0.56959 0.56959

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.381
O2 0.000 0.000 -1.105
H3 0.000 1.272 1.040
H4 -1.101 -0.636 1.040
H5 1.101 -0.636 1.040

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48611.43221.43221.4322
O21.48612.49372.49372.4937
H31.43222.49372.20252.2025
H41.43222.49372.20252.2025
H51.43222.49372.20252.2025

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 117.393 O2 P1 H4 117.393
O2 P1 H5 117.393 H3 P1 H4 100.513
H3 P1 H5 100.513 H4 P1 H5 100.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.332      
2 O -0.435      
3 H 0.034      
4 H 0.034      
5 H 0.034      


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 3.455 3.455
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.103 0.000 0.000
y 0.000 -19.103 0.000
z 0.000 0.000 -22.244
Traceless
 xyz
x 1.570 0.000 0.000
y 0.000 1.570 0.000
z 0.000 0.000 -3.141
Polar
3z2-r2-6.281
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 3.949 0.000 0.000
y 0.000 3.949 0.000
z 0.000 0.000 4.646


<r2> (average value of r2) Å2
<r2> 32.629
(<r2>)1/2 5.712