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All results from a given calculation for CH2CHF (Ethene, fluoro-)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-176.789887
Energy at 298.15K 
HF Energy-176.789887
Nuclear repulsion energy66.833848
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 B3PW91/3-21G*
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' 3296 3162 2.55      
2 A' 3221 3090 11.69      
3 A' 3199 3069 2.67      
4 A' 1741 1671 78.39      
5 A' 1476 1417 3.56      
6 A' 1382 1326 0.92      
7 A' 1195 1147 59.44      
8 A' 964 925 22.80      
9 A' 482 463 3.30      
10 A" 1016 975 24.20      
11 A" 940 902 93.89      
12 A" 742 712 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 9827.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9428.8 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 B3PW91/3-21G*
ABC
2.20578 0.34297 0.29682

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.430 0.000
C2 1.203 -0.119 0.000
F3 -1.162 -0.298 0.000
H4 -0.177 1.500 0.000
H5 1.334 -1.194 0.000
H6 2.083 0.512 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32201.37121.08452.10192.0841
C21.32202.37102.12691.08321.0826
F31.37122.37102.05062.65163.3438
H41.08452.12692.05063.08902.4661
H52.10191.08322.65163.08901.8626
H62.08411.08263.34382.46611.8626

picture of Ethene, fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.520 C1 C2 H6 119.837
C2 C1 F3 123.358 C2 C1 H4 123.923
F3 C1 H4 112.719 H5 C2 H6 118.643
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 C -0.502      
3 F -0.279      
4 H 0.222      
5 H 0.237      
6 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.128 0.840 0.000 1.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.176 -0.695 0.000
y -0.695 -15.151 0.000
z 0.000 0.000 -18.728
Traceless
 xyz
x -0.237 -0.695 0.000
y -0.695 2.801 0.000
z 0.000 0.000 -2.564
Polar
3z2-r2-5.129
x2-y2-2.025
xy-0.695
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.181 -0.447 0.000
y -0.447 2.951 0.000
z 0.000 0.000 0.987


<r2> (average value of r2) Å2
<r2> 43.533
(<r2>)1/2 6.598