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

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-1194.604194
Energy at 298.15K-1194.604803
HF Energy-1193.622407
Nuclear repulsion energy351.369484
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 QCISD/6-311G**
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 1796 1714 16.06      
2 A1 1208 1153 318.69      
3 A1 576 550 0.27      
4 A1 340 324 2.95      
5 A1 175 167 1.35      
6 A2 550 525 0.00      
7 A2 149 142 0.00      
8 B1 351 335 0.79      
9 B2 1250 1193 21.02      
10 B2 986 940 183.02      
11 B2 438 418 0.34      
12 B2 426 407 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 4123.0 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 3933.7 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 QCISD/6-311G**
ABC
0.10278 0.06209 0.03871

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 0.413
C2 0.000 -0.668 0.413
F3 0.000 1.329 1.567
F4 0.000 -1.329 1.567
Cl5 0.000 1.664 -0.976
Cl6 0.000 -1.664 -0.976

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33611.33022.30681.70902.7143
C21.33612.30681.33022.71431.7090
F31.33022.30682.65842.56503.9277
F42.30681.33022.65843.92772.5650
Cl51.70902.71432.56503.92773.3280
Cl62.71431.70903.92772.56503.3280

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 119.802 C1 C2 Cl6 125.646
C2 C1 F3 119.802 C2 C1 Cl5 125.646
F3 C1 Cl5 114.552 F4 C2 Cl6 114.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability