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

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1194.899881
Energy at 298.15K-1194.900507
HF Energy-1193.690576
Nuclear repulsion energy351.084198
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/cc-pVTZ
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 1817 1710 0.00      
2 Ag 1251 1178 0.00      
3 Ag 654 616 0.00      
4 Ag 436 410 0.00      
5 Ag 294 276 0.00      
6 Au 379 357 1.00      
7 Au 138 130 0.22      
8 Bg 566 533 0.00      
9 Bu 1279 1204 282.96      
10 Bu 907 854 162.18      
11 Bu 434 408 3.45      
12 Bu 180 169 2.07      

Unscaled Zero Point Vibrational Energy (zpe) 4166.4 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 3921.4 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/cc-pVTZ
ABC
0.14388 0.05043 0.03734

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.661 0.000
C2 0.064 -0.661 0.000
F3 -1.255 1.235 0.000
F4 1.255 -1.235 0.000
Cl5 1.255 1.745 0.000
Cl6 -1.255 -1.745 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32841.32172.31011.70732.6843
C21.32842.31011.32172.68431.7073
F31.32172.31013.52172.56102.9799
F42.31011.32173.52172.97992.5610
Cl51.70732.68432.56102.97994.2983
Cl62.68431.70732.97992.56104.2983

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 121.310 C1 C2 Cl6 123.835
C2 C1 F3 121.310 C2 C1 Cl5 123.835
F3 C1 Cl5 114.855 F4 C2 Cl6 114.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability