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

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-1194.423494
Energy at 298.15K-1194.424061
HF Energy-1193.502726
Nuclear repulsion energy350.989785
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=FULL/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 1824 1732 11.69      
2 A1 1228 1166 286.67      
3 A1 579 550 0.35      
4 A1 337 320 2.70      
5 A1 171 163 1.30      
6 A2 538 511 0.00      
7 A2 152 144 0.00      
8 B1 350 333 1.70      
9 B2 1274 1210 16.82      
10 B2 991 941 166.58      
11 B2 442 420 0.20      
12 B2 424 403 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 4154.7 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 3946.1 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 CCSD=FULL/6-31G*
ABC
0.10271 0.06185 0.03860

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.404
C2 0.000 -0.667 0.404
F3 0.000 1.320 1.571
F4 0.000 -1.320 1.571
Cl5 0.000 1.673 -0.974
Cl6 0.000 -1.673 -0.974

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33311.33842.30461.70622.7149
C21.33312.30461.33842.71491.7062
F31.33842.30462.64052.57013.9292
F42.30461.33842.64053.92922.5701
Cl51.70622.71492.57013.92923.3453
Cl62.71491.70623.92922.57013.3453

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 119.237 C1 C2 Cl6 126.134
C2 C1 F3 119.237 C2 C1 Cl5 126.134
F3 C1 Cl5 114.628 F4 C2 Cl6 114.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability