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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: HF/CEP-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/CEP-31G*
 hartrees
Energy at 0K-13.538720
Energy at 298.15K-13.541904
HF Energy-13.538720
Nuclear repulsion energy15.811836
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/CEP-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' 3435 3085 10.23      
2 A' 3336 2996 18.47      
3 A' 2495 2240 164.20      
4 A' 1588 1426 2.75      
5 A' 1113 999 42.86      
6 A' 1064 955 0.07      
7 A' 789 709 2.50      
8 A" 1013 909 70.03      
9 A" 923 829 20.55      

Unscaled Zero Point Vibrational Energy (zpe) 7877.8 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 7074.3 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 HF/CEP-31G*
ABC
4.65037 0.54416 0.48716

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.077 0.000
P2 0.057 -0.597 0.000
H3 -0.833 1.693 0.000
H4 1.000 1.609 0.000
H5 -1.356 -0.805 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67491.08251.08342.3537
P21.67492.45782.40021.4279
H31.08252.45781.83572.5527
H41.08342.40021.83573.3739
H52.35371.42792.55273.3739

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 98.361 P2 C1 H3 124.689
P2 C1 H4 119.410 H3 C1 H4 115.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.263      
2 P -0.156      
3 H 0.196      
4 H 0.187      
5 H 0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.808 1.093 0.000 1.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.797 1.411 0.000
y 1.411 -18.362 0.000
z 0.000 0.000 -21.300
Traceless
 xyz
x 1.034 1.411 0.000
y 1.411 1.687 0.000
z 0.000 0.000 -2.720
Polar
3z2-r2-5.441
x2-y2-0.435
xy1.411
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.921 0.352 0.000
y 0.352 7.392 0.000
z 0.000 0.000 2.988


<r2> (average value of r2) Å2
<r2> 28.269
(<r2>)1/2 5.317