return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-177.877758
Energy at 298.15K 
HF Energy-177.877758
Nuclear repulsion energy67.446926
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 B3LYP/6-311G**
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' 3258 3149 3.54 43.89 0.70 0.82
2 A' 3195 3089 9.53 122.89 0.27 0.43
3 A' 3162 3057 1.00 58.93 0.18 0.30
4 A' 1714 1657 101.63 19.68 0.07 0.13
5 A' 1412 1365 4.41 3.75 0.49 0.66
6 A' 1331 1287 1.75 16.17 0.56 0.71
7 A' 1167 1128 100.70 1.51 0.23 0.38
8 A' 937 906 42.00 4.42 0.38 0.55
9 A' 485 469 4.32 1.92 0.67 0.80
10 A" 970 938 33.66 1.04 0.75 0.86
11 A" 887 858 53.79 1.91 0.75 0.86
12 A" 732 708 2.09 4.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9624.2 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9304.6 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 B3LYP/6-311G**
ABC
2.18846 0.35279 0.30382

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.434 0.000
C2 1.188 -0.142 0.000
F3 -1.146 -0.278 0.000
H4 -0.189 1.501 0.000
H5 1.292 -1.219 0.000
H6 2.079 0.471 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32011.34881.08382.09772.0794
C21.32012.33782.14341.08231.0812
F31.34882.33782.02012.61283.3106
H41.08382.14342.02013.09692.4908
H52.09771.08232.61283.09691.8643
H62.07941.08123.31062.49081.8643

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 121.338 C1 C2 H6 119.646
C2 C1 F3 122.307 C2 C1 H4 125.872
F3 C1 H4 111.821 H5 C2 H6 119.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 C -0.271      
3 F -0.218      
4 H 0.107      
5 H 0.127      
6 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.117 0.846 0.000 1.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.525 -0.697 0.000
y -0.697 -15.459 0.000
z 0.000 0.000 -18.917
Traceless
 xyz
x -0.337 -0.697 0.000
y -0.697 2.762 0.000
z 0.000 0.000 -2.425
Polar
3z2-r2-4.849
x2-y2-2.066
xy-0.697
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.584 -0.548 0.000
y -0.548 3.379 0.000
z 0.000 0.000 1.902


<r2> (average value of r2) Å2
<r2> 43.022
(<r2>)1/2 6.559