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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1195.046904
Energy at 298.15K-1195.040161
HF Energy-1193.499128
Nuclear repulsion energy354.539901
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1977 1977 16.02      
2 A1 1300 1300 362.50      
3 A1 612 612 0.36      
4 A1 360 360 3.59      
5 A1 183 183 1.73      
6 A2 660 660 0.00      
7 A2 168 168 0.00      
8 B1 396 396 3.57      
9 B2 1350 1350 42.94      
10 B2 1051 1051 235.07      
11 B2 470 470 0.20      
12 B2 452 452 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 4489.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4489.6 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 CBS-Q
ABC
0.10266 0.06219 0.03873

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.657 0.411
C2 0.000 -0.657 0.411
F3 0.000 1.312 1.546
F4 0.000 -1.312 1.546
Cl5 0.000 1.663 -0.964
Cl6 0.000 -1.663 -0.964

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.31331.31052.27261.70392.6967
C21.31332.27261.31052.69671.7039
F31.31052.27262.62492.53383.8926
F42.27261.31052.62493.89262.5338
Cl51.70392.69672.53383.89263.3267
Cl62.69671.70393.89262.53383.3267

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 120.027 C1 C2 Cl6 126.216
C2 C1 F3 120.027 C2 C1 Cl5 126.216
F3 C1 Cl5 113.757 F4 C2 Cl6 113.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability