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All results from a given calculation for CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: CISD/6-31G

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/6-31G
 hartrees
Energy at 0K-636.022225
Energy at 298.15K-636.024278
HF Energy-635.694665
Nuclear repulsion energy136.240673
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/6-31G
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' 3345 3137 5.93      
2 A' 3326 3119 2.09      
3 A' 1770 1660 12.37      
4 A' 1371 1285 0.19      
5 A' 1283 1203 7.38      
6 A' 1114 1045 103.53      
7 A' 835 783 46.54      
8 A' 430 403 2.20      
9 A' 270 253 10.49      
10 A" 974 914 81.37      
11 A" 860 807 13.93      
12 A" 269 252 5.63      

Unscaled Zero Point Vibrational Energy (zpe) 7922.8 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 7430.0 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/6-31G
ABC
1.77181 0.07712 0.07390

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 1.060 -0.318 0.000
Cl3 -1.679 -0.194 0.000
F4 2.341 0.239 0.000
H5 0.047 1.560 0.000
H6 1.068 -1.398 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32791.81002.35331.07872.1625
C21.32792.74111.39712.13351.0801
Cl31.81002.74114.04282.46112.9988
F42.35331.39714.04282.64662.0739
H51.07872.13352.46112.64663.1293
H62.16251.08012.99882.07393.1293

picture of (E)-1-chloro-2-fluoroethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 119.424 C1 C2 H6 127.509
C2 C1 Cl3 120.979 C2 C1 H5 124.555
Cl3 C1 H5 114.467 F4 C2 H6 113.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability