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

using model chemistry: B3LYP/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 B3LYP/cc-pV(T+d)Z
 hartrees
Energy at 0K-418.448902
Energy at 298.15K-418.453368
HF Energy-418.448902
Nuclear repulsion energy65.768865
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-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 2410 2327 69.84      
2 A1 1278 1234 170.49      
3 A1 1161 1121 1.59      
4 E 2392 2309 101.12      
4 E 2392 2309 101.13      
5 E 1126 1087 28.56      
5 E 1126 1087 28.57      
6 E 848 819 26.84      
6 E 848 819 26.84      

Unscaled Zero Point Vibrational Energy (zpe) 6790.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 6555.5 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 B3LYP/cc-pV(T+d)Z
ABC
3.52186 0.57956 0.57956

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 -1.096
H3 0.000 1.258 1.024
H4 -1.090 -0.629 1.024
H5 1.090 -0.629 1.024

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.47541.41351.41351.4135
O21.47542.46482.46482.4648
H31.41352.46482.17932.1793
H41.41352.46482.17932.1793
H51.41352.46482.17932.1793

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 117.108 O2 P1 H4 117.108
O2 P1 H5 117.108 H3 P1 H4 100.868
H3 P1 H5 100.868 H4 P1 H5 100.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.574      
2 O -0.513      
3 H -0.021      
4 H -0.021      
5 H -0.021      


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 3.518 3.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.000 0.000 0.000
y 0.000 -19.000 0.000
z 0.000 0.000 -22.378
Traceless
 xyz
x 1.689 0.000 0.000
y 0.000 1.689 0.000
z 0.000 0.000 -3.378
Polar
3z2-r2-6.757
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 3.703 0.000 0.000
y 0.000 3.703 0.000
z 0.000 0.000 4.326


<r2> (average value of r2) Å2
<r2> 32.231
(<r2>)1/2 5.677