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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-13.484533
Energy at 298.15K-13.487734
HF Energy-13.484533
Nuclear repulsion energy15.665395
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' 3453 3113 10.69      
2 A' 3341 3011 13.85      
3 A' 2368 2135 241.60      
4 A' 1590 1433 6.59      
5 A' 1129 1018 67.71      
6 A' 1023 922 0.25      
7 A' 830 748 3.78      
8 A" 1045 942 103.08      
9 A" 920 829 15.16      

Unscaled Zero Point Vibrational Energy (zpe) 7849.4 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 7075.5 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
4.60459 0.52900 0.47449

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 1.095 0.000
P2 0.057 -0.605 0.000
H3 -0.829 1.713 0.000
H4 0.999 1.624 0.000
H5 -1.373 -0.824 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.70011.08041.08042.3927
P21.70012.48212.41981.4466
H31.08042.48211.83002.5946
H41.08042.41981.83003.4082
H52.39271.44662.59463.4082

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 98.677 P2 C1 H3 124.929
P2 C1 H4 119.308 H3 C1 H4 115.763
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 -0.482      
2 P 0.182      
3 H 0.202      
4 H 0.199      
5 H -0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.948 1.374 0.000 1.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.451 1.485 0.000
y 1.485 -19.185 0.000
z 0.000 0.000 -21.580
Traceless
 xyz
x 0.932 1.485 0.000
y 1.485 1.331 0.000
z 0.000 0.000 -2.263
Polar
3z2-r2-4.525
x2-y2-0.266
xy1.485
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.916 0.478 0.000
y 0.478 7.741 0.000
z 0.000 0.000 2.594


<r2> (average value of r2) Å2
<r2> 29.011
(<r2>)1/2 5.386