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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-418.339782
Energy at 298.15K-418.344202
HF Energy-418.339782
Nuclear repulsion energy64.918143
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 BLYP/6-31G(2df,p)
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 2301 2288 82.99      
2 A1 1239 1233 133.66      
3 A1 1117 1111 0.27      
4 E 2277 2264 113.66      
4 E 2277 2264 113.67      
5 E 1083 1078 27.71      
5 E 1083 1078 27.72      
6 E 814 809 19.10      
6 E 814 809 19.10      

Unscaled Zero Point Vibrational Energy (zpe) 6503.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 6467.3 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 BLYP/6-31G(2df,p)
ABC
3.46013 0.56395 0.56395

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

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 -1.111
H3 0.000 1.269 1.046
H4 -1.099 -0.635 1.046
H5 1.099 -0.635 1.046

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.49451.43181.43181.4318
O21.49452.50272.50272.5027
H31.43182.50272.19872.1987
H41.43182.50272.19872.1987
H51.43182.50272.19872.1987

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 117.554 O2 P1 H4 117.554
O2 P1 H5 117.554 H3 P1 H4 100.313
H3 P1 H5 100.313 H4 P1 H5 100.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.090      
2 O -0.238      
3 H 0.049      
4 H 0.049      
5 H 0.049      


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 3.188 3.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.915 0.000 0.000
y 0.000 -18.915 0.000
z 0.000 0.000 -21.578
Traceless
 xyz
x 1.332 0.000 0.000
y 0.000 1.332 0.000
z 0.000 0.000 -2.663
Polar
3z2-r2-5.327
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 3.450 0.000 0.000
y 0.000 3.450 0.000
z 0.000 0.000 4.044


<r2> (average value of r2) Å2
<r2> 32.565
(<r2>)1/2 5.707