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

using model chemistry: LSDA/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-417.126600
Energy at 298.15K-417.131101
HF Energy-417.126600
Nuclear repulsion energy65.493148
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/aug-cc-pV(T+d)Z
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 2334 2334 64.07      
2 A1 1246 1246 136.57      
3 A1 1094 1094 7.21      
4 E 2323 2323 60.10      
4 E 2323 2323 60.10      
5 E 1059 1059 15.30      
5 E 1059 1059 15.30      
6 E 800 800 17.05      
6 E 800 800 17.04      

Unscaled Zero Point Vibrational Energy (zpe) 6518.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6518.4 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 LSDA/aug-cc-pV(T+d)Z
ABC
3.45341 0.57606 0.57606

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.380
O2 0.000 0.000 -1.098
H3 0.000 1.271 1.029
H4 -1.100 -0.635 1.029
H5 1.100 -0.635 1.029

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.47831.42681.42681.4268
O21.47832.47792.47792.4779
H31.42682.47792.20082.2008
H41.42682.47792.20082.2008
H51.42682.47792.20082.2008

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 117.059 O2 P1 H4 117.059
O2 P1 H5 117.059 H3 P1 H4 100.928
H3 P1 H5 100.928 H4 P1 H5 100.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.560      
2 O -0.753      
3 H 0.064      
4 H 0.064      
5 H 0.064      


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 3.521 3.521
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.112 0.000 0.000
y 0.000 -19.112 0.000
z 0.000 0.000 -22.693
Traceless
 xyz
x 1.790 0.000 0.000
y 0.000 1.790 0.000
z 0.000 0.000 -3.581
Polar
3z2-r2-7.162
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 4.452 0.000 0.000
y 0.000 4.452 -0.000
z 0.000 -0.000 5.292


<r2> (average value of r2) Å2
<r2> 32.518
(<r2>)1/2 5.702