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All results from a given calculation for CFClCClF (trans-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 C2H 1AG
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-1194.386265
Energy at 298.15K-1194.386859
HF Energy-1193.505631
Nuclear repulsion energy349.646149
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 Ag 1837 1723 0.00      
2 Ag 1271 1192 0.00      
3 Ag 653 613 0.00      
4 Ag 437 410 0.00      
5 Ag 297 278 0.00      
6 Au 374 350 2.74      
7 Au 138 129 0.17      
8 Bg 544 510 0.00      
9 Bu 1284 1204 268.23      
10 Bu 922 864 158.15      
11 Bu 435 408 4.23      
12 Bu 181 170 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 4186.4 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 3925.1 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/6-31G**
ABC
0.14211 0.05017 0.03708

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.058 0.663 0.000
C2 0.058 -0.663 0.000
F3 -1.262 1.243 0.000
F4 1.262 -1.243 0.000
Cl5 1.262 1.746 0.000
Cl6 -1.262 -1.746 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33191.33662.31911.70762.6939
C21.33192.31911.33662.69391.7076
F31.33662.31913.54342.57462.9892
F42.31911.33663.54342.98922.5746
Cl51.70762.69392.57462.98924.3095
Cl62.69391.70762.98922.57464.3095

picture of trans-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 120.692 C1 C2 Cl6 124.356
C2 C1 F3 120.692 C2 C1 Cl5 124.356
F3 C1 Cl5 114.952 F4 C2 Cl6 114.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability