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

using model chemistry: B2PLYP=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1181.735542
Energy at 298.15K-1181.735538
HF Energy-1181.667019
Nuclear repulsion energy337.320703
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/STO-3G
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 1813 1813 0.00      
2 Ag 1300 1300 0.00      
3 Ag 647 647 0.00      
4 Ag 410 410 0.00      
5 Ag 259 259 0.00      
6 Au 347 347 2.52      
7 Au 131 131 1.40      
8 Bg 447 447 0.00      
9 Bu 1378 1378 130.03      
10 Bu 881 881 128.45      
11 Bu 397 397 2.83      
12 Bu 145 145 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 4077.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4077.3 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/STO-3G
ABC
0.13060 0.04713 0.03463

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.105 0.676 0.000
C2 0.105 -0.676 0.000
F3 -1.322 1.270 0.000
F4 1.322 -1.270 0.000
Cl5 1.322 1.796 0.000
Cl6 -1.322 -1.796 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.36741.35462.41321.81472.7548
C21.36742.41321.35462.75481.8147
F31.35462.41323.66702.69673.0657
F42.41321.35463.66703.06572.6967
Cl51.81472.75482.69673.06574.4603
Cl62.75481.81473.06572.69674.4603

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 124.883 C1 C2 Cl6 119.263
C2 C1 F3 124.883 C2 C1 Cl5 119.263
F3 C1 Cl5 115.854 F4 C2 Cl6 115.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability