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: TPSSh/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 TPSSh/6-311G*
 hartrees
Energy at 0K-177.870661
Energy at 298.15K 
HF Energy-177.870661
Nuclear repulsion energy67.341993
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 TPSSh/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' 3261 3141 7.93 42.96 0.70 0.82
2 A' 3204 3086 12.93 121.67 0.29 0.44
3 A' 3165 3049 1.64 59.49 0.18 0.31
4 A' 1713 1650 102.10 18.67 0.06 0.12
5 A' 1431 1378 5.02 3.99 0.48 0.65
6 A' 1341 1292 1.71 15.97 0.55 0.71
7 A' 1172 1129 99.11 1.59 0.25 0.41
8 A' 940 906 43.85 4.79 0.38 0.55
9 A' 477 459 4.02 1.96 0.68 0.81
10 A" 970 934 41.00 0.77 0.75 0.86
11 A" 865 833 52.02 2.27 0.75 0.86
12 A" 730 703 1.85 5.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9634.1 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9279.6 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 TPSSh/6-311G*
ABC
2.18798 0.35124 0.30265

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.433 0.000
C2 1.191 -0.143 0.000
F3 -1.148 -0.277 0.000
H4 -0.194 1.500 0.000
H5 1.300 -1.221 0.000
H6 2.083 0.470 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32331.35001.08432.10422.0829
C21.32332.34292.14941.08341.0826
F31.35002.34292.01672.62393.3160
H41.08432.14942.01673.10462.4988
H52.10421.08342.62393.10461.8642
H62.08291.08263.31602.49881.8642

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 121.610 C1 C2 H6 119.607
C2 C1 F3 122.423 C2 C1 H4 126.162
F3 C1 H4 111.415 H5 C2 H6 118.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.078      
2 C -0.493      
3 F -0.222      
4 H 0.198      
5 H 0.224      
6 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.090 0.843 0.000 1.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.579 -0.534 0.000
y -0.534 3.339 0.000
z 0.000 0.000 1.847


<r2> (average value of r2) Å2
<r2> 43.081
(<r2>)1/2 6.564