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

using model chemistry: CCD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1194.485700
Energy at 298.15K-1194.486311
HF Energy-1193.561663
Nuclear repulsion energy350.260125
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/cc-pVDZ
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 1818 1739 16.23      
2 A1 1219 1166 307.74      
3 A1 577 552 0.19      
4 A1 334 319 2.70      
5 A1 171 164 1.38      
6 A2 565 540 0.00      
7 A2 150 144 0.00      
8 B1 359 343 1.20      
9 B2 1271 1216 24.72      
10 B2 982 940 175.22      
11 B2 438 419 0.23      
12 B2 422 404 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 4151.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 3972.1 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/cc-pVDZ
ABC
0.10180 0.06192 0.03850

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 0.420
C2 0.000 -0.671 0.420
F3 0.000 1.340 1.573
F4 0.000 -1.340 1.573
Cl5 0.000 1.662 -0.981
Cl6 0.000 -1.662 -0.981

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34221.33262.31771.71662.7220
C21.34222.31771.33262.72201.7166
F31.33262.31772.67932.57463.9416
F42.31771.33262.67933.94162.5746
Cl51.71662.72202.57463.94163.3246
Cl62.72201.71663.94162.57463.3246

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 120.112 C1 C2 Cl6 125.270
C2 C1 F3 120.112 C2 C1 Cl5 125.270
F3 C1 Cl5 114.619 F4 C2 Cl6 114.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability