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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-1195.624650
Energy at 298.15K-1195.625212
HF Energy-1195.624650
Nuclear repulsion energy352.504302
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 PBE1PBE/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 1809 1719 14.95      
2 A1 1226 1165 330.47      
3 A1 583 554 1.68      
4 A1 333 316 2.39      
5 A1 169 160 1.28      
6 A2 543 516 0.00      
7 A2 151 143 0.00      
8 B1 355 337 0.63      
9 B2 1276 1213 27.42      
10 B2 984 935 180.93      
11 B2 439 417 0.10      
12 B2 423 402 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 4144.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 3938.8 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 PBE1PBE/6-31G*
ABC
0.10333 0.06255 0.03896

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.412
C2 0.000 -0.667 0.412
F3 0.000 1.322 1.563
F4 0.000 -1.322 1.563
Cl5 0.000 1.659 -0.973
Cl6 0.000 -1.659 -0.973

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33391.32502.29871.70332.7067
C21.33392.29871.32502.70671.7033
F31.32502.29872.64492.55863.9141
F42.29871.32502.64493.91412.5586
Cl51.70332.70672.55863.91413.3172
Cl62.70671.70333.91412.55863.3172

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 119.649 C1 C2 Cl6 125.605
C2 C1 F3 119.649 C2 C1 Cl5 125.605
F3 C1 Cl5 114.746 F4 C2 Cl6 114.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.151      
2 C 0.151      
3 F -0.231      
4 F -0.231      
5 Cl 0.080      
6 Cl 0.080      


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 -0.583 0.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.893 0.000 0.000
y 0.000 -45.200 0.000
z 0.000 0.000 -45.169
Traceless
 xyz
x 0.292 0.000 0.000
y 0.000 -0.169 0.000
z 0.000 0.000 -0.123
Polar
3z2-r2-0.246
x2-y20.307
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.090 0.000 0.000
y 0.000 8.361 0.000
z 0.000 0.000 6.457


<r2> (average value of r2) Å2
<r2> 236.734
(<r2>)1/2 15.386