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

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/SDD
 hartrees
Energy at 0K-1193.398865
Energy at 298.15K-1193.399505
HF Energy-1193.398865
Nuclear repulsion energy345.443019
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 HF/SDD
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 1957 1762 14.38      
2 A1 1203 1083 271.35      
3 A1 552 497 0.10      
4 A1 335 302 4.16      
5 A1 173 156 2.77      
6 A2 645 581 0.00      
7 A2 160 144 0.00      
8 B1 367 331 5.02      
9 B2 1249 1125 32.24      
10 B2 971 874 174.85      
11 B2 448 404 0.07      
12 B2 412 371 3.55      

Unscaled Zero Point Vibrational Energy (zpe) 4236.0 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 3814.1 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 HF/SDD
ABC
0.09940 0.05998 0.03741

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.657 0.424
C2 0.000 -0.657 0.424
F3 0.000 1.348 1.592
F4 0.000 -1.348 1.592
Cl5 0.000 1.698 -0.993
Cl6 0.000 -1.698 -0.993

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.31361.35712.32001.75862.7485
C21.31362.32001.35712.74851.7586
F31.35712.32002.69532.60893.9950
F42.32001.35712.69533.99502.6089
Cl51.75862.74852.60893.99503.3963
Cl62.74851.75863.99502.60893.3963

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 120.601 C1 C2 Cl6 126.310
C2 C1 F3 120.601 C2 C1 Cl5 126.310
F3 C1 Cl5 113.089 F4 C2 Cl6 113.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.239      
2 C 0.239      
3 F -0.268      
4 F -0.268      
5 Cl 0.029      
6 Cl 0.029      


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 -1.526 1.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.881 0.000 0.000
y 0.000 -49.289 0.000
z 0.000 0.000 -50.823
Traceless
 xyz
x 4.175 0.000 0.000
y 0.000 -0.937 0.000
z 0.000 0.000 -3.238
Polar
3z2-r2-6.476
x2-y23.408
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.134 0.000 0.000
y 0.000 7.407 0.000
z 0.000 0.000 5.875


<r2> (average value of r2) Å2
<r2> 247.629
(<r2>)1/2 15.736