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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-636.353071
Energy at 298.15K-636.355166
HF Energy-635.775778
Nuclear repulsion energy139.758297
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/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' 3285 3109 6.04      
2 A' 3271 3096 5.62      
3 A' 1769 1674 18.44      
4 A' 1358 1285 0.15      
5 A' 1283 1215 5.65      
6 A' 1189 1125 147.47      
7 A' 914 865 43.75      
8 A' 458 433 2.02      
9 A' 278 263 7.15      
10 A" 937 887 55.89      
11 A" 807 764 10.29      
12 A" 278 264 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 7913.4 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 7490.0 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 CCD/6-31G*
ABC
1.80758 0.08155 0.07803

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.475 0.000
C2 1.022 -0.375 0.000
Cl3 -1.636 -0.088 0.000
F4 2.289 0.090 0.000
H5 0.130 1.550 0.000
H6 0.955 -1.458 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32861.73052.32131.08372.1551
C21.32862.67351.34982.12151.0851
Cl31.73052.67353.92962.40962.9304
F42.32131.34983.92962.60672.0436
H51.08372.12152.40962.60673.1189
H62.15511.08512.93042.04363.1189

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 120.144 C1 C2 H6 126.171
C2 C1 Cl3 121.285 C2 C1 H5 122.833
Cl3 C1 H5 115.882 F4 C2 H6 113.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability