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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-1190.466377
Energy at 298.15K-1190.466717
HF Energy-1190.466377
Nuclear repulsion energy345.197100
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 BLYP/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 1669 1658 5.60      
2 A1 1094 1087 236.17      
3 A1 514 511 5.96      
4 A1 302 300 2.00      
5 A1 172 171 1.67      
6 A2 542 538 0.00      
7 A2 137 136 0.00      
8 B1 346 344 0.11      
9 B2 1154 1146 11.68      
10 B2 858 852 137.71      
11 B2 412 409 0.02      
12 B2 376 374 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 3788.2 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 3763.6 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 BLYP/3-21G*
ABC
0.09639 0.06187 0.03768

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.673 0.437
C2 0.000 -0.673 0.437
F3 0.000 1.381 1.615
F4 0.000 -1.381 1.615
Cl5 0.000 1.644 -1.009
Cl6 0.000 -1.644 -1.009

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34511.37452.36761.74272.7314
C21.34512.36761.37452.73141.7427
F31.37452.36762.76272.63724.0052
F42.36761.37452.76274.00522.6372
Cl51.74272.73142.63724.00523.2888
Cl62.73141.74274.00522.63723.2888

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 121.045 C1 C2 Cl6 123.897
C2 C1 F3 121.045 C2 C1 Cl5 123.897
F3 C1 Cl5 115.058 F4 C2 Cl6 115.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.110      
2 C 0.110      
3 F -0.202      
4 F -0.202      
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 -0.473 0.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.411 0.000 0.000
y 0.000 -45.990 0.000
z 0.000 0.000 -45.502
Traceless
 xyz
x 0.335 0.000 0.000
y 0.000 -0.533 0.000
z 0.000 0.000 0.198
Polar
3z2-r20.396
x2-y20.579
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.466 0.000 0.000
y 0.000 8.184 0.000
z 0.000 0.000 6.702


<r2> (average value of r2) Å2
<r2> 244.082
(<r2>)1/2 15.623