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

using model chemistry: HSEh1PBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1195.710929
Energy at 298.15K-1195.711527
HF Energy-1195.710929
Nuclear repulsion energy354.080022
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/6-31G(2df,p)
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 1797 1721 18.66      
2 A1 1221 1169 303.93      
3 A1 584 559 1.33      
4 A1 331 317 2.31      
5 A1 167 160 1.21      
6 A2 568 544 0.00      
7 A2 150 143 0.00      
8 B1 359 343 0.51      
9 B2 1265 1212 33.87      
10 B2 981 940 162.67      
11 B2 437 419 0.14      
12 B2 422 404 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 4140.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 3965.4 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 HSEh1PBE/6-31G(2df,p)
ABC
0.10377 0.06343 0.03937

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.420
C2 0.000 -0.666 0.420
F3 0.000 1.328 1.557
F4 0.000 -1.328 1.557
Cl5 0.000 1.640 -0.972
Cl6 0.000 -1.640 -0.972

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33251.31582.29571.69872.6938
C21.33252.29571.31582.69381.6987
F31.31582.29572.65572.54853.8994
F42.29571.31582.65573.89942.5485
Cl51.69872.69382.54853.89943.2800
Cl62.69381.69873.89942.54853.2800

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 120.186 C1 C2 Cl6 124.976
C2 C1 F3 120.186 C2 C1 Cl5 124.976
F3 C1 Cl5 114.838 F4 C2 Cl6 114.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.130      
2 C 0.130      
3 F -0.061      
4 F -0.061      
5 Cl -0.069      
6 Cl -0.069      


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 -0.437 0.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.562 0.000 0.000
y 0.000 -44.988 0.000
z 0.000 0.000 -44.888
Traceless
 xyz
x 0.376 0.000 0.000
y 0.000 -0.263 0.000
z 0.000 0.000 -0.113
Polar
3z2-r2-0.227
x2-y20.426
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.096 0.000 0.000
y 0.000 9.192 0.000
z 0.000 0.000 7.103


<r2> (average value of r2) Å2
<r2> 234.394
(<r2>)1/2 15.310