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

using model chemistry: B3LYP/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-418.456508
Energy at 298.15K-418.460966
HF Energy-418.456508
Nuclear repulsion energy65.629452
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 B3LYP/cc-pVQZ
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 2405 2330 72.11      
2 A1 1260 1220 171.98      
3 A1 1151 1116 0.77      
4 E 2388 2314 89.53      
4 E 2388 2314 89.55      
5 E 1124 1089 25.67      
5 E 1124 1089 25.67      
6 E 844 818 25.12      
6 E 844 818 25.12      

Unscaled Zero Point Vibrational Energy (zpe) 6763.4 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 6552.4 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 B3LYP/cc-pVQZ
ABC
3.50350 0.57704 0.57704

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.382
O2 0.000 0.000 -1.098
H3 0.000 1.262 1.020
H4 -1.093 -0.631 1.020
H5 1.093 -0.631 1.020

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.47991.41391.41391.4139
O21.47992.46552.46552.4655
H31.41392.46552.18502.1850
H41.41392.46552.18502.1850
H51.41392.46552.18502.1850

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 116.845 O2 P1 H4 116.845
O2 P1 H5 116.845 H3 P1 H4 101.193
H3 P1 H5 101.193 H4 P1 H5 101.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.685      
2 O -0.595      
3 H -0.030      
4 H -0.030      
5 H -0.030      


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 3.651 3.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.038 0.000 0.000
y 0.000 -19.038 0.000
z 0.000 0.000 -22.695
Traceless
 xyz
x 1.829 0.000 0.000
y 0.000 1.829 0.000
z 0.000 0.000 -3.658
Polar
3z2-r2-7.315
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 3.954 0.000 0.000
y 0.000 3.954 0.000
z 0.000 0.000 4.644


<r2> (average value of r2) Å2
<r2> 32.382
(<r2>)1/2 5.691