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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-1193.886360
Energy at 298.15K-1193.886711
HF Energy-1193.352350
Nuclear repulsion energy338.810890
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 1782 1710 4.72      
2 A1 1123 1078 192.41      
3 A1 509 488 0.68      
4 A1 312 300 3.26      
5 A1 162 156 1.87      
6 A2 547 525 0.00      
7 A2 143 138 0.00      
8 B1 325 312 4.68      
9 B2 1188 1140 1.57      
10 B2 901 864 120.82      
11 B2 413 397 0.02      
12 B2 382 367 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 3893.4 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 3735.7 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
0.09527 0.05784 0.03599

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 0.669 0.425
C2 0.000 -0.669 0.425
F3 0.000 1.359 1.630
F4 0.000 -1.359 1.630
Cl5 0.000 1.735 -1.013
Cl6 0.000 -1.735 -1.013

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33861.38802.35901.78952.8013
C21.33862.35901.38802.80131.7895
F31.38802.35902.71792.66884.0686
F42.35901.38802.71794.06862.6688
Cl51.78952.80132.66884.06863.4699
Cl62.80131.78954.06862.66883.4699

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 119.793 C1 C2 Cl6 126.547
C2 C1 F3 119.793 C2 C1 Cl5 126.547
F3 C1 Cl5 113.660 F4 C2 Cl6 113.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability