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

using model chemistry: B2PLYP=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 B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.757717
Energy at 298.15K-1195.758277
HF Energy-1195.455732
Nuclear repulsion energy348.854358
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/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 1787 1713 0.00      
2 Ag 1215 1164 0.00      
3 Ag 642 615 0.00      
4 Ag 428 410 0.00      
5 Ag 291 279 0.00      
6 Au 374 359 0.78      
7 Au 136 131 0.18      
8 Bg 553 530 0.00      
9 Bu 1245 1193 312.70      
10 Bu 884 848 188.32      
11 Bu 425 408 2.26      
12 Bu 176 168 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 4077.6 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 3908.4 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 B2PLYP=FULL/cc-pVDZ
ABC
0.14125 0.04997 0.03691

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.068 0.666 0.000
C2 0.068 -0.666 0.000
F3 -1.265 1.246 0.000
F4 1.265 -1.246 0.000
Cl5 1.265 1.750 0.000
Cl6 -1.265 -1.750 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33871.33022.33101.71862.6960
C21.33872.33101.33022.69601.7186
F31.33022.33103.55162.58032.9958
F42.33101.33023.55162.99582.5803
Cl51.71862.69602.58032.99584.3189
Cl62.69601.71862.99582.58034.3189

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 121.710 C1 C2 Cl6 123.252
C2 C1 F3 121.710 C2 C1 Cl5 123.252
F3 C1 Cl5 115.037 F4 C2 Cl6 115.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability