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

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-1194.638320
Energy at 298.15K-1194.638896
HF Energy-1193.657245
Nuclear repulsion energy351.009672
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 CCSD/TZVP
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 1801 1719 16.77      
2 A1 1203 1148 316.60      
3 A1 571 545 0.31      
4 A1 342 326 3.02      
5 A1 174 166 1.23      
6 A2 536 512 0.00      
7 A2 147 140 0.00      
8 B1 338 323 0.70      
9 B2 1250 1193 27.73      
10 B2 985 940 167.51      
11 B2 439 419 0.11      
12 B2 424 404 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 4104.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 3917.4 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 CCSD/TZVP
ABC
0.10243 0.06202 0.03863

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.416
C2 0.000 -0.665 0.416
F3 0.000 1.327 1.569
F4 0.000 -1.327 1.569
Cl5 0.000 1.667 -0.978
Cl6 0.000 -1.667 -0.978

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32951.32982.30141.71662.7164
C21.32952.30141.32982.71641.7166
F31.32982.30142.65372.56963.9306
F42.30141.32982.65373.93062.5696
Cl51.71662.71642.56963.93063.3336
Cl62.71641.71663.93062.56963.3336

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 119.860 C1 C2 Cl6 125.713
C2 C1 F3 119.860 C2 C1 Cl5 125.713
F3 C1 Cl5 114.428 F4 C2 Cl6 114.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability