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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-380.287052
Energy at 298.15K-380.290264
HF Energy-380.287052
Nuclear repulsion energy48.991875
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 HF/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' 3425 3078 1.65      
2 A' 3337 2998 9.24      
3 A' 2558 2299 178.14      
4 A' 1613 1449 0.37      
5 A' 1142 1026 44.77      
6 A' 1093 982 1.32      
7 A' 816 733 1.51      
8 A" 1040 934 65.18      
9 A" 951 855 23.96      

Unscaled Zero Point Vibrational Energy (zpe) 7987.3 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 7176.6 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 HF/6-31G*
ABC
4.76814 0.55804 0.49957

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.062 0.000
P2 0.056 -0.589 0.000
H3 -0.825 1.680 0.000
H4 0.991 1.594 0.000
H5 -1.336 -0.807 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.65181.07521.07632.3307
P21.65182.43382.37561.4090
H31.07522.43381.81822.5385
H41.07632.37561.81823.3442
H52.33071.40902.53853.3442

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 98.879 P2 C1 H3 125.025
P2 C1 H4 119.610 H3 C1 H4 115.365
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.544      
2 P 0.188      
3 H 0.213      
4 H 0.209      
5 H -0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.606 1.138 0.000 1.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.148 1.232 0.007
y 1.232 -19.466 -0.002
z 0.007 -0.002 -21.779
Traceless
 xyz
x 0.475 1.232 0.007
y 1.232 1.497 -0.002
z 0.007 -0.002 -1.972
Polar
3z2-r2-3.944
x2-y2-0.682
xy1.232
xz0.007
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.218 0.395 -0.000
y 0.395 7.014 0.001
z -0.000 0.001 2.904


<r2> (average value of r2) Å2
<r2> 34.293
(<r2>)1/2 5.856