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

using model chemistry: PBEPBE/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1195.689117
Energy at 298.15K-1195.689541
HF Energy-1195.689117
Nuclear repulsion energy349.391971
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/6-311G**
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 1698 1683 15.58      
2 A1 1125 1115 365.46      
3 A1 550 545 2.11      
4 A1 323 320 2.42      
5 A1 166 165 1.27      
6 A2 506 502 0.00      
7 A2 139 138 0.00      
8 B1 333 330 0.02      
9 B2 1165 1154 25.95      
10 B2 924 916 184.01      
11 B2 417 413 0.03      
12 B2 407 403 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 3876.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3841.7 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/6-311G**
ABC
0.10142 0.06155 0.03830

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.672 0.417
C2 0.000 -0.672 0.417
F3 0.000 1.341 1.577
F4 0.000 -1.341 1.577
Cl5 0.000 1.668 -0.982
Cl6 0.000 -1.668 -0.982

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34481.33902.32391.71812.7275
C21.34482.32391.33902.72751.7181
F31.33902.32392.68242.58073.9511
F42.32391.33902.68243.95112.5807
Cl51.71812.72752.58073.95113.3369
Cl62.72751.71813.95112.58073.3369

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 119.965 C1 C2 Cl6 125.433
C2 C1 F3 119.965 C2 C1 Cl5 125.433
F3 C1 Cl5 114.602 F4 C2 Cl6 114.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.119      
2 C 0.119      
3 F -0.138      
4 F -0.138      
5 Cl 0.019      
6 Cl 0.019      


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 -0.669 0.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.972 0.000 0.000
y 0.000 -46.356 0.000
z 0.000 0.000 -45.922
Traceless
 xyz
x 0.167 0.000 0.000
y 0.000 -0.409 0.000
z 0.000 0.000 0.242
Polar
3z2-r20.484
x2-y20.384
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.004 0.000 0.000
y 0.000 8.801 0.000
z 0.000 0.000 7.129


<r2> (average value of r2) Å2
<r2> 240.932
(<r2>)1/2 15.522