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All results from a given calculation for CFClCFCl (cis-1,2-dichloro-1,2-difluoroethylene)

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 C2V 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-1194.383544
Energy at 298.15K-1194.384113
HF Energy-1193.502685
Nuclear repulsion energy350.879655
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 A1 1830 1732 11.74      
2 A1 1233 1167 286.40      
3 A1 580 549 0.33      
4 A1 338 320 2.76      
5 A1 171 162 1.30      
6 A2 537 508 0.00      
7 A2 152 143 0.00      
8 B1 349 331 1.89      
9 B2 1281 1213 15.29      
10 B2 994 941 164.67      
11 B2 443 419 0.20      
12 B2 425 402 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 4165.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 3943.0 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
0.10271 0.06177 0.03857

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.403
C2 0.000 -0.667 0.403
F3 0.000 1.320 1.572
F4 0.000 -1.320 1.572
Cl5 0.000 1.674 -0.974
Cl6 0.000 -1.674 -0.974

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33331.33862.30451.70672.7162
C21.33332.30451.33862.71621.7067
F31.33862.30452.63932.57063.9302
F42.30451.33862.63933.93022.5706
Cl51.70672.71622.57063.93023.3488
Cl62.71621.70673.93022.57063.3488

picture of cis-1,2-dichloro-1,2-difluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 119.198 C1 C2 Cl6 126.188
C2 C1 F3 119.198 C2 C1 Cl5 126.188
F3 C1 Cl5 114.613 F4 C2 Cl6 114.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability