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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-1195.686158
Energy at 298.15K-1195.686699
HF Energy-1195.392476
Nuclear repulsion energy349.499134
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 B2PLYP=FULL/6-31G**
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 1792 1792 0.00      
2 Ag 1229 1229 0.00      
3 Ag 645 645 0.00      
4 Ag 430 430 0.00      
5 Ag 293 293 0.00      
6 Au 368 368 1.55      
7 Au 136 136 0.11      
8 Bg 536 536 0.00      
9 Bu 1260 1260 287.03      
10 Bu 894 894 184.64      
11 Bu 428 428 2.40      
12 Bu 178 178 2.45      

Unscaled Zero Point Vibrational Energy (zpe) 4094.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4094.1 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 B2PLYP=FULL/6-31G**
ABC
0.14187 0.05015 0.03705

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.063 0.664 0.000
C2 0.063 -0.664 0.000
F3 -1.263 1.243 0.000
F4 1.263 -1.243 0.000
Cl5 1.263 1.747 0.000
Cl6 -1.263 -1.747 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33401.33222.32291.71252.6926
C21.33402.32291.33222.69261.7125
F31.33222.32293.54432.57662.9892
F42.32291.33223.54432.98922.5766
Cl51.71252.69262.57662.98924.3112
Cl62.69261.71252.98922.57664.3112

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 121.210 C1 C2 Cl6 123.748
C2 C1 F3 121.210 C2 C1 Cl5 123.748
F3 C1 Cl5 115.042 F4 C2 Cl6 115.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability