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

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-177.366721
Energy at 298.15K 
HF Energy-176.926389
Nuclear repulsion energy67.786209
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 CISD/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' 3356 3105 4.57      
2 A' 3303 3056 9.33      
3 A' 3254 3011 0.69      
4 A' 1792 1658 103.42      
5 A' 1475 1365 5.60      
6 A' 1380 1277 1.68      
7 A' 1229 1137 106.04      
8 A' 985 911 40.08      
9 A' 500 463 4.75      
10 A" 1009 934 37.37      
11 A" 919 850 59.59      
12 A" 760 704 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 9980.8 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 9235.2 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 CISD/6-311G*
ABC
2.20793 0.35641 0.30688

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.431 0.000
C2 1.182 -0.154 0.000
F3 -1.141 -0.264 0.000
H4 -0.176 1.497 0.000
H5 1.276 -1.229 0.000
H6 2.076 0.450 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.31891.33621.08032.09342.0761
C21.31892.32622.13751.07951.0783
F31.33622.32622.00802.60233.2955
H41.08032.13752.00803.08822.4835
H52.09341.07952.60233.08821.8599
H62.07611.07833.29552.48351.8599

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 121.258 C1 C2 H6 119.666
C2 C1 F3 122.354 C2 C1 H4 125.689
F3 C1 H4 111.958 H5 C2 H6 119.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability