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: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-177.371385
Energy at 298.15K 
HF Energy-176.894474
Nuclear repulsion energy67.095454
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 CCD/cc-pVDZ
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' 3318 3174 2.37      
2 A' 3248 3107 9.17      
3 A' 3208 3069 0.77      
4 A' 1757 1681 87.10      
5 A' 1429 1367 6.66      
6 A' 1341 1283 1.19      
7 A' 1199 1147 88.68      
8 A' 957 915 32.48      
9 A' 482 461 4.97      
10 A" 974 932 27.28      
11 A" 883 845 42.17      
12 A" 735 703 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 9764.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9341.4 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 CCD/cc-pVDZ
ABC
2.15806 0.34950 0.30079

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.434 0.000
C2 1.194 -0.165 0.000
F3 -1.154 -0.258 0.000
H4 -0.161 1.517 0.000
H5 1.281 -1.255 0.000
H6 2.099 0.448 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.33561.34541.09542.11972.0992
C21.33562.34952.15971.09401.0928
F31.34542.34952.03462.63063.3286
H41.09542.15972.03463.12492.5003
H52.11971.09402.63063.12491.8892
H62.09921.09283.32862.50031.8892

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 121.173 C1 C2 H6 119.305
C2 C1 F3 122.414 C2 C1 H4 125.054
F3 C1 H4 112.532 H5 C2 H6 119.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability