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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1195.578469
Energy at 298.15K-1195.578888
HF Energy-1195.578469
Nuclear repulsion energy350.698534
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 PBEPBE/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 1706 1688 17.71      
2 A1 1157 1145 297.52      
3 A1 556 551 2.14      
4 A1 318 315 2.04      
5 A1 161 159 1.11      
6 A2 508 502 0.00      
7 A2 140 139 0.00      
8 B1 339 335 0.16      
9 B2 1201 1188 28.35      
10 B2 931 921 149.84      
11 B2 417 413 0.03      
12 B2 405 401 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 3918.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 3878.5 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 PBEPBE/6-31G(2df,p)
ABC
0.10173 0.06227 0.03863

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.674 0.423
C2 0.000 -0.674 0.423
F3 0.000 1.341 1.573
F4 0.000 -1.341 1.573
Cl5 0.000 1.655 -0.982
Cl6 0.000 -1.655 -0.982

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34711.32932.31971.71372.7193
C21.34712.31971.32932.71931.7137
F31.32932.31972.68262.57383.9372
F42.31971.32932.68263.93722.5738
Cl51.71372.71932.57383.93723.3090
Cl62.71931.71373.93722.57383.3090

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 120.154 C1 C2 Cl6 124.918
C2 C1 F3 120.154 C2 C1 Cl5 124.918
F3 C1 Cl5 114.929 F4 C2 Cl6 114.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 C 0.095      
3 F -0.019      
4 F -0.019      
5 Cl -0.076      
6 Cl -0.076      


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 -0.282 0.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.646 0.000 0.000
y 0.000 -44.914 0.000
z 0.000 0.000 -44.621
Traceless
 xyz
x 0.121 0.000 0.000
y 0.000 -0.280 0.000
z 0.000 0.000 0.159
Polar
3z2-r20.319
x2-y20.268
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.149 0.000 0.000
y 0.000 9.523 0.000
z 0.000 0.000 7.483


<r2> (average value of r2) Å2
<r2> 238.293
(<r2>)1/2 15.437