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

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-1194.431237
Energy at 298.15K-1194.432018
HF Energy-1193.627269
Nuclear repulsion energy353.134868
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 CID/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 Ag 1910 1775 0.00      
2 Ag 1304 1212 0.00      
3 Ag 683 635 0.00      
4 Ag 456 423 0.00      
5 Ag 309 287 0.00      
6 Au 404 375 2.08      
7 Au 146 136 0.31      
8 Bg 626 582 0.00      
9 Bu 1326 1232 349.01      
10 Bu 949 881 193.95      
11 Bu 454 421 4.07      
12 Bu 190 176 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 4378.0 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 4067.6 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 CID/6-311G*
ABC
0.14578 0.05097 0.03777

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.065 0.655 0.000
C2 0.065 -0.655 0.000
F3 -1.247 1.227 0.000
F4 1.247 -1.227 0.000
Cl5 1.247 1.736 0.000
Cl6 -1.247 -1.736 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.31741.31292.29491.69992.6680
C21.31742.29491.31292.66801.6999
F31.31292.29493.49922.54522.9638
F42.29491.31293.49922.96382.5452
Cl51.69992.66802.54522.96384.2755
Cl62.66801.69992.96382.54524.2755

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 121.491 C1 C2 Cl6 123.815
C2 C1 F3 121.491 C2 C1 Cl5 123.815
F3 C1 Cl5 114.693 F4 C2 Cl6 114.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability