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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-1195.672830
Energy at 298.15K-1195.673339
HF Energy-1195.389495
Nuclear repulsion energy350.661820
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 B2PLYP/6-31G*
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 1781 1691 12.98      
2 A1 1199 1138 312.85      
3 A1 570 541 1.31      
4 A1 332 315 2.57      
5 A1 169 160 1.29      
6 A2 522 495 0.00      
7 A2 149 141 0.00      
8 B1 346 328 0.98      
9 B2 1246 1182 22.07      
10 B2 969 920 176.09      
11 B2 436 414 0.08      
12 B2 417 396 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 4067.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 3861.0 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 B2PLYP/6-31G*
ABC
0.10233 0.06184 0.03855

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 0.410
C2 0.000 -0.668 0.410
F3 0.000 1.324 1.573
F4 0.000 -1.324 1.573
Cl5 0.000 1.671 -0.977
Cl6 0.000 -1.671 -0.977

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33611.33532.30701.71132.7191
C21.33612.30701.33532.71911.7113
F31.33532.30702.64882.57303.9334
F42.30701.33532.64883.93342.5730
Cl51.71132.71912.57303.93343.3417
Cl62.71911.71133.93342.57303.3417

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 119.441 C1 C2 Cl6 125.872
C2 C1 F3 119.441 C2 C1 Cl5 125.872
F3 C1 Cl5 114.687 F4 C2 Cl6 114.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.181      
2 C 0.181      
3 F -0.246      
4 F -0.246      
5 Cl 0.065      
6 Cl 0.065      


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 -0.705 0.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.049 0.000 0.000
y 0.000 -45.585 0.000
z 0.000 0.000 -45.695
Traceless
 xyz
x 0.591 0.000 0.000
y 0.000 -0.213 0.000
z 0.000 0.000 -0.378
Polar
3z2-r2-0.757
x2-y20.536
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.052 0.000 0.000
y 0.000 8.299 0.000
z 0.000 0.000 6.475


<r2> (average value of r2) Å2
<r2> 239.212
(<r2>)1/2 15.466