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

using model chemistry: M06-2X/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 M06-2X/cc-pVTZ
 hartrees
Energy at 0K-418.360912
Energy at 298.15K-418.365392
HF Energy-418.360912
Nuclear repulsion energy65.667209
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 M06-2X/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 2452 2342 58.40      
2 A1 1284 1226 183.03      
3 A1 1172 1119 1.51      
4 E 2442 2332 82.46      
4 E 2441 2332 83.19      
5 E 1144 1092 26.18      
5 E 1144 1092 26.05      
6 E 865 826 28.14      
6 E 865 826 27.71      

Unscaled Zero Point Vibrational Energy (zpe) 6903.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 6593.3 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 M06-2X/cc-pVTZ
ABC
3.52344 0.57714 0.57714

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

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 1.258 1.019
H4 -1.089 -0.629 1.019
H5 1.089 -0.629 1.019

Atom - Atom Distances (Å)
  P1 O2 H3 H4 H5
P11.48041.41001.41001.4100
O21.48042.46292.46292.4629
H31.41002.46292.17882.1788
H41.41002.46292.17882.1788
H51.41002.46292.17882.1788

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 116.856 O2 P1 H4 116.856
O2 P1 H5 116.856 H3 P1 H4 101.179
H3 P1 H5 101.179 H4 P1 H5 101.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.447      
2 O -0.523      
3 H 0.025      
4 H 0.025      
5 H 0.025      


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