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

using model chemistry: CID/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1188.450373
Energy at 298.15K-1188.451088
HF Energy-1187.853405
Nuclear repulsion energy349.388259
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/3-21G*
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 1885 1754 0.00      
2 Ag 1282 1193 0.00      
3 Ag 660 614 0.00      
4 Ag 443 412 0.00      
5 Ag 301 280 0.00      
6 Au 395 367 4.57      
7 Au 150 139 0.40      
8 Bg 656 610 0.00      
9 Bu 1302 1211 175.17      
10 Bu 915 851 154.02      
11 Bu 428 399 2.65      
12 Bu 185 172 4.10      

Unscaled Zero Point Vibrational Energy (zpe) 4300.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 4001.5 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/3-21G*
ABC
0.13822 0.05104 0.03727

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.061 0.655 0.000
C2 0.061 -0.655 0.000
F3 -1.280 1.250 0.000
F4 1.280 -1.250 0.000
Cl5 1.280 1.715 0.000
Cl6 -1.280 -1.715 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.31601.35642.32951.70882.6655
C21.31602.32951.35642.66551.7088
F31.35642.32953.57792.60112.9654
F42.32951.35643.57792.96542.6011
Cl51.70882.66552.60112.96544.2799
Cl62.66551.70882.96542.60114.2799

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 121.305 C1 C2 Cl6 123.053
C2 C1 F3 121.305 C2 C1 Cl5 123.053
F3 C1 Cl5 115.643 F4 C2 Cl6 115.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability