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

using model chemistry: CCSD=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-1194.513829
Energy at 298.15K-1194.514435
HF Energy-1193.564520
Nuclear repulsion energy348.679251
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 CCSD=FULL/cc-pVDZ
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 1822 0.00      
2 Ag 1251 1251 0.00      
3 Ag 648 648 0.00      
4 Ag 434 434 0.00      
5 Ag 294 294 0.00      
6 Au 381 381 1.59      
7 Au 138 138 0.20      
8 Bg 560 560 0.00      
9 Bu 1269 1269 300.64      
10 Bu 903 903 168.31      
11 Bu 430 430 3.54      
12 Bu 179 179 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 4153.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4153.8 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 CCSD=FULL/cc-pVDZ
ABC
0.14134 0.04986 0.03686

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 0.667 0.000
C2 0.067 -0.667 0.000
F3 -1.265 1.247 0.000
F4 1.265 -1.247 0.000
Cl5 1.265 1.753 0.000
Cl6 -1.265 -1.753 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34021.33062.33141.71862.6996
C21.34022.33141.33062.69961.7186
F31.33062.33143.55192.57982.9993
F42.33141.33063.55192.99932.5798
Cl51.71862.69962.57982.99934.3228
Cl62.69961.71862.99932.57984.3228

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 121.595 C1 C2 Cl6 123.430
C2 C1 F3 121.595 C2 C1 Cl5 123.430
F3 C1 Cl5 114.975 F4 C2 Cl6 114.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability