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: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-177.675826
Energy at 298.15K 
HF Energy-177.523804
Nuclear repulsion energy67.169845
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 B2PLYP=FULL/6-31+G**
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' 3326 3163 1.71 39.76 0.70 0.82
2 A' 3272 3112 6.01 105.50 0.28 0.44
3 A' 3223 3065 0.85 70.26 0.16 0.27
4 A' 1720 1636 104.89 35.06 0.04 0.08
5 A' 1432 1361 6.28 5.34 0.39 0.56
6 A' 1345 1279 1.05 16.97 0.44 0.61
7 A' 1167 1110 106.49 2.69 0.23 0.37
8 A' 938 892 48.93 5.26 0.41 0.58
9 A' 483 459 4.02 2.06 0.67 0.81
10 A" 962 915 47.04 1.08 0.75 0.86
11 A" 882 839 53.11 4.48 0.75 0.86
12 A" 725 689 3.76 1.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9736.8 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 9259.7 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 B2PLYP=FULL/6-31+G**
ABC
2.15275 0.35069 0.30157

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.441 0.000
C2 1.193 -0.139 0.000
F3 -1.148 -0.287 0.000
H4 -0.203 1.503 0.000
H5 1.299 -1.214 0.000
H6 2.079 0.479 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32621.35921.08142.10432.0791
C21.32622.34532.15521.08091.0802
F31.35922.34532.02392.61693.3163
H41.08142.15522.02393.10522.5012
H52.10431.08092.61693.10521.8644
H62.07911.08023.31632.50121.8644

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 121.574 C1 C2 H6 119.183
C2 C1 F3 121.695 C2 C1 H4 126.756
F3 C1 H4 111.549 H5 C2 H6 119.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability