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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-381.038565
Energy at 298.15K-381.034474
HF Energy-381.219400
Nuclear repulsion energy48.340848
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3244 3115 2.39      
2 A' 3156 3031 5.99      
3 A' 2349 2256 144.33      
4 A' 1484 1425 0.39      
5 A' 1052 1010 37.37      
6 A' 1002 962 0.21      
7 A' 756 726 0.22      
8 A" 924 887 48.47      
9 A" 865 830 29.26      

Unscaled Zero Point Vibrational Energy (zpe) 7415.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 7121.4 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/6-31G*
ABC
4.62215 0.54380 0.48655

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.076 0.000
P2 0.056 -0.599 0.000
H3 -0.828 1.708 0.000
H4 1.006 1.608 0.000
H5 -1.363 -0.789 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67451.08731.08842.3441
P21.67452.47082.40221.4326
H31.08732.47081.83652.5546
H41.08842.40221.83653.3705
H52.34411.43262.55463.3705

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.611 P2 C1 H3 125.522
P2 C1 H4 119.297 H3 C1 H4 115.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.462      
2 P 0.120      
3 H 0.185      
4 H 0.182      
5 H -0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.550 1.068 0.000 1.201
CHELPG -0.456 0.933 0.000 1.039
AIM -1.422 2.711 0.000 3.061
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 34.618
(<r2>)1/2 5.884