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

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1194.410627
Energy at 298.15K-1194.411192
HF Energy-1193.516084
Nuclear repulsion energy350.716830
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/6-31+G**
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 1820 1715 12.99      
2 A1 1209 1140 316.52      
3 A1 581 547 0.03      
4 A1 338 319 2.90      
5 A1 172 162 1.09      
6 A2 535 504 0.00      
7 A2 146 138 0.00      
8 B1 342 322 1.16      
9 B2 1251 1179 16.71      
10 B2 991 934 166.68      
11 B2 441 416 0.38      
12 B2 424 399 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 4124.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 3886.8 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/6-31+G**
ABC
0.10292 0.06159 0.03853

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.401
C2 0.000 -0.667 0.401
F3 0.000 1.327 1.571
F4 0.000 -1.327 1.571
Cl5 0.000 1.675 -0.973
Cl6 0.000 -1.675 -0.973

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33421.34282.31181.70392.7151
C21.33422.31181.34282.71511.7039
F31.34282.31182.65432.56733.9345
F42.31181.34282.65433.93452.5673
Cl51.70392.71512.56733.93453.3491
Cl62.71511.70393.93452.56733.3491

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 119.441 C1 C2 Cl6 126.245
C2 C1 F3 119.441 C2 C1 Cl5 126.245
F3 C1 Cl5 114.314 F4 C2 Cl6 114.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability