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

using model chemistry: PBEPBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1195.577502
Energy at 298.15K-1195.577892
HF Energy-1195.577502
Nuclear repulsion energy348.698270
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/6-31+G**
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 1702 1682 14.25      
2 A1 1126 1113 377.41      
3 A1 554 547 1.27      
4 A1 321 317 2.15      
5 A1 163 161 1.00      
6 A2 501 495 0.00      
7 A2 139 137 0.00      
8 B1 327 323 0.06      
9 B2 1159 1146 24.95      
10 B2 930 920 171.72      
11 B2 419 414 0.08      
12 B2 404 399 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 3871.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 3826.9 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/6-31+G**
ABC
0.10138 0.06110 0.03812

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.675 0.410
C2 0.000 -0.675 0.410
F3 0.000 1.341 1.581
F4 0.000 -1.341 1.581
Cl5 0.000 1.677 -0.981
Cl6 0.000 -1.677 -0.981

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34921.34702.33061.71462.7322
C21.34922.33061.34702.73221.7146
F31.34702.33062.68112.58393.9584
F42.33061.34702.68113.95842.5839
Cl51.71462.73222.58393.95843.3541
Cl62.73221.71463.95842.58393.3541

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 119.629 C1 C2 Cl6 125.779
C2 C1 F3 119.629 C2 C1 Cl5 125.779
F3 C1 Cl5 114.591 F4 C2 Cl6 114.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.013      
2 C -0.013      
3 F -0.194      
4 F -0.194      
5 Cl 0.206      
6 Cl 0.206      


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 -1.031 1.031
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.895 0.000 0.000
y 0.000 -46.010 0.000
z 0.000 0.000 -46.705
Traceless
 xyz
x 0.462 0.000 0.000
y 0.000 0.290 0.000
z 0.000 0.000 -0.752
Polar
3z2-r2-1.504
x2-y20.115
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.512 0.000 0.000
y 0.000 9.912 0.000
z 0.000 0.000 7.911


<r2> (average value of r2) Å2
<r2> 242.015
(<r2>)1/2 15.557