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All results from a given calculation for CFClCClF (trans-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-1194.396947
Energy at 298.15K-1194.397510
HF Energy-1193.505177
Nuclear repulsion energy349.131394
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/6-31G**
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 1822 1715 0.00      
2 Ag 1256 1183 0.00      
3 Ag 648 610 0.00      
4 Ag 434 409 0.00      
5 Ag 295 278 0.00      
6 Au 370 348 2.41      
7 Au 137 129 0.16      
8 Bg 531 500 0.00      
9 Bu 1268 1194 269.03      
10 Bu 914 861 159.41      
11 Bu 432 407 3.85      
12 Bu 180 170 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 4143.7 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 3900.9 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/6-31G**
ABC
0.14156 0.05005 0.03698

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.058 0.664 0.000
C2 0.058 -0.664 0.000
F3 -1.265 1.245 0.000
F4 1.265 -1.245 0.000
Cl5 1.265 1.748 0.000
Cl6 -1.265 -1.748 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33391.33932.32311.70972.6971
C21.33392.32311.33932.69711.7097
F31.33932.32313.54992.57902.9929
F42.32311.33933.54992.99292.5790
Cl51.70972.69712.57902.99294.3146
Cl62.69711.70972.99292.57904.3146

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 120.691 C1 C2 Cl6 124.325
C2 C1 F3 120.691 C2 C1 Cl5 124.325
F3 C1 Cl5 114.985 F4 C2 Cl6 114.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability