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

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1181.721475
Energy at 298.15K-1181.721359
HF Energy-1181.721475
Nuclear repulsion energy337.869148
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/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 A1 1731 1581 12.06      
2 A1 1222 1117 144.84      
3 A1 552 504 11.52      
4 A1 294 268 0.27      
5 A1 151 138 1.09      
6 A2 400 366 0.00      
7 A2 126 115 0.00      
8 B1 329 300 0.50      
9 B2 1361 1243 5.64      
10 B2 918 839 105.19      
11 B2 391 358 0.21      
12 B2 382 349 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 3927.8 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 3588.4 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 PBEPBE/STO-3G
ABC
0.09088 0.06014 0.03619

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.691 0.499
C2 0.000 -0.691 0.499
F3 0.000 1.428 1.645
F4 0.000 -1.428 1.645
Cl5 0.000 1.654 -1.047
Cl6 0.000 -1.654 -1.047

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.38181.36342.40951.82112.8086
C21.38182.40951.36342.80861.8211
F31.36342.40952.85622.70194.0926
F42.40951.36342.85624.09262.7019
Cl51.82112.80862.70194.09263.3083
Cl62.80861.82114.09262.70193.3083

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 122.731 C1 C2 Cl6 121.932
C2 C1 F3 122.731 C2 C1 Cl5 121.932
F3 C1 Cl5 115.336 F4 C2 Cl6 115.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 C 0.076      
3 F 0.016      
4 F 0.016      
5 Cl -0.092      
6 Cl -0.092      


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 2.442 2.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.325 0.000 0.000
y 0.000 -43.326 0.000
z 0.000 0.000 -41.208
Traceless
 xyz
x 0.942 0.000 0.000
y 0.000 -2.059 0.000
z 0.000 0.000 1.117
Polar
3z2-r22.234
x2-y22.001
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.559 0.000 0.000
y 0.000 5.378 0.000
z 0.000 0.000 4.789


<r2> (average value of r2) Å2
<r2> 250.661
(<r2>)1/2 15.832