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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-1195.552541
Energy at 298.15K-1195.552913
HF Energy-1195.552541
Nuclear repulsion energy348.900120
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 PBEPBEultrafine/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 1713 1685 14.10      
2 A1 1157 1137 325.93      
3 A1 552 543 2.85      
4 A1 319 314 2.10      
5 A1 163 160 1.16      
6 A2 483 475 0.00      
7 A2 141 138 0.00      
8 B1 334 329 0.18      
9 B2 1207 1187 22.93      
10 B2 928 913 167.60      
11 B2 418 411 0.01      
12 B2 404 397 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 3908.8 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 3844.3 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 PBEPBEultrafine/6-31G*
ABC
0.10100 0.06141 0.03819

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.674 0.417
C2 0.000 -0.674 0.417
F3 0.000 1.337 1.581
F4 0.000 -1.337 1.581
Cl5 0.000 1.672 -0.984
Cl6 0.000 -1.672 -0.984

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34871.33952.32421.72052.7334
C21.34872.32421.33952.73341.7205
F31.33952.32422.67492.58713.9548
F42.32421.33952.67493.95482.5871
Cl51.72052.73342.58713.95483.3448
Cl62.73341.72053.95482.58713.3448

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 119.673 C1 C2 Cl6 125.456
C2 C1 F3 119.673 C2 C1 Cl5 125.456
F3 C1 Cl5 114.872 F4 C2 Cl6 114.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.124      
2 C 0.124      
3 F -0.197      
4 F -0.197      
5 Cl 0.073      
6 Cl 0.073      


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 -0.399 0.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.948 0.000 0.000
y 0.000 -45.052 0.000
z 0.000 0.000 -44.784
Traceless
 xyz
x -0.030 0.000 0.000
y 0.000 -0.186 0.000
z 0.000 0.000 0.216
Polar
3z2-r20.432
x2-y20.104
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.128 0.000 0.000
y 0.000 8.686 0.000
z 0.000 0.000 6.870


<r2> (average value of r2) Å2
<r2> 240.835
(<r2>)1/2 15.519