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All results from a given calculation for CFClCFCl (cis-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: HSEh1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-1190.007079
Energy at 298.15K-1190.007674
HF Energy-1190.007079
Nuclear repulsion energy351.108854
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 HSEh1PBE/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1787 1716 4.61      
2 A1 1190 1142 239.51      
3 A1 566 544 2.71      
4 A1 315 302 2.11      
5 A1 180 173 1.88      
6 A2 613 588 0.00      
7 A2 150 144 0.00      
8 B1 373 358 0.51      
9 B2 1241 1191 12.61      
10 B2 942 905 144.81      
11 B2 443 425 0.11      
12 B2 404 387 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 4101.5 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 3937.1 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 HSEh1PBE/3-21G*
ABC
0.09992 0.06389 0.03897

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.423
C2 0.000 -0.665 0.423
F3 0.000 1.359 1.588
F4 0.000 -1.359 1.588
Cl5 0.000 1.618 -0.990
Cl6 0.000 -1.618 -0.990

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32901.35682.33531.70452.6843
C21.32902.33531.35682.68431.7045
F31.35682.33532.71812.59153.9384
F42.33531.35682.71813.93842.5915
Cl51.70452.68432.59153.93843.2357
Cl62.68431.70453.93842.59153.2357

picture of cis-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 120.789 C1 C2 Cl6 124.008
C2 C1 F3 120.789 C2 C1 Cl5 124.008
F3 C1 Cl5 115.203 F4 C2 Cl6 115.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.124      
2 C 0.124      
3 F -0.246      
4 F -0.246      
5 Cl 0.122      
6 Cl 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.903 0.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.449 0.000 0.000
y 0.000 -46.111 0.000
z 0.000 0.000 -46.124
Traceless
 xyz
x 0.669 0.000 0.000
y 0.000 -0.324 0.000
z 0.000 0.000 -0.344
Polar
3z2-r2-0.688
x2-y20.662
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.440 0.000 0.000
y 0.000 7.827 0.000
z 0.000 0.000 6.208


<r2> (average value of r2) Å2
<r2> 237.098
(<r2>)1/2 15.398