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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-1194.235421
Energy at 298.15K-1194.236154
HF Energy-1193.507197
Nuclear repulsion energy352.150147
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 1921 1774 0.00      
2 Ag 1317 1217 0.00      
3 Ag 681 629 0.00      
4 Ag 454 420 0.00      
5 Ag 307 284 0.00      
6 Au 398 368 3.24      
7 Au 145 134 0.18      
8 Bg 604 558 0.00      
9 Bu 1329 1227 305.53      
10 Bu 954 882 177.95      
11 Bu 450 415 4.06      
12 Bu 188 173 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 4373.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 4039.9 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 CID/6-31G*
ABC
0.14465 0.05078 0.03759

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.059 0.657 0.000
C2 0.059 -0.657 0.000
F3 -1.252 1.232 0.000
F4 1.252 -1.232 0.000
Cl5 1.252 1.738 0.000
Cl6 -1.252 -1.738 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.31881.32422.29961.69942.6751
C21.31882.29961.32422.67511.6994
F31.32422.29963.51342.55412.9704
F42.29961.32423.51342.97042.5541
Cl51.69942.67512.55412.97044.2836
Cl62.67511.69942.97042.55414.2836

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 120.934 C1 C2 Cl6 124.351
C2 C1 F3 120.934 C2 C1 Cl5 124.351
F3 C1 Cl5 114.715 F4 C2 Cl6 114.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability