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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-381.014872
Energy at 298.15K-381.018002
HF Energy-381.014872
Nuclear repulsion energy48.483832
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 PBE1PBE/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' 3276 3122 0.80      
2 A' 3182 3033 4.14      
3 A' 2389 2277 133.79      
4 A' 1483 1414 0.89      
5 A' 1052 1003 37.78      
6 A' 1026 978 0.99      
7 A' 758 722 0.24      
8 A" 930 887 52.91      
9 A" 871 831 32.09      

Unscaled Zero Point Vibrational Energy (zpe) 7483.3 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 7132.3 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 PBE1PBE/6-31G**
ABC
4.62378 0.54787 0.48983

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.072 0.000
P2 0.056 -0.597 0.000
H3 -0.829 1.702 0.000
H4 1.006 1.603 0.000
H5 -1.361 -0.782 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66841.08731.08842.3339
P21.66842.46362.39601.4299
H31.08732.46361.83852.5405
H41.08842.39601.83853.3608
H52.33391.42992.54053.3608

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.451 P2 C1 H3 125.436
P2 C1 H4 119.219 H3 C1 H4 115.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531      
2 P 0.123      
3 H 0.212      
4 H 0.210      
5 H -0.014      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.598 1.090 0.000 1.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.535 1.138 0.000
y 1.138 -19.174 0.000
z 0.000 0.000 -21.427
Traceless
 xyz
x 0.766 1.138 0.000
y 1.138 1.307 0.000
z 0.000 0.000 -2.073
Polar
3z2-r2-4.145
x2-y2-0.361
xy1.138
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.352 0.327 0.000
y 0.327 6.628 0.000
z 0.000 0.000 2.898


<r2> (average value of r2) Å2
<r2> 34.451
(<r2>)1/2 5.869