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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-89.368807
Energy at 298.15K-89.369101
HF Energy-89.368807
Nuclear repulsion energy116.477162
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1717 1673 6.88      
2 A1 1083 1055 300.79      
3 A1 516 503 0.73      
4 A1 307 299 3.02      
5 A1 157 153 1.88      
6 A2 497 485 0.00      
7 A2 137 134 0.00      
8 B1 315 307 0.93      
9 B2 1115 1086 9.16      
10 B2 893 870 163.61      
11 B2 405 395 0.07      
12 B2 380 370 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 3760.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 3665.0 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 B3LYP/CEP-121G
ABC
0.09522 0.05799 0.03604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.675 0.427
C2 0.000 -0.675 0.427
F3 0.000 1.369 1.629
F4 0.000 -1.369 1.629
Cl5 0.000 1.727 -1.013
Cl6 0.000 -1.727 -1.013

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34941.38872.37121.78342.8002
C21.34942.37121.38872.80021.7834
F31.38872.37122.73752.66694.0703
F42.37121.38872.73754.07032.6669
Cl51.78342.80022.66694.07033.4538
Cl62.80021.78344.07032.66693.4538

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 119.985 C1 C2 Cl6 126.158
C2 C1 F3 119.985 C2 C1 Cl5 126.158
F3 C1 Cl5 113.856 F4 C2 Cl6 113.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 C -0.030      
3 F -0.139      
4 F -0.139      
5 Cl 0.169      
6 Cl 0.169      


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 -1.458 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.583 0.000 0.000
y 0.000 -46.563 0.000
z 0.000 0.000 -47.471
Traceless
 xyz
x 2.434 0.000 0.000
y 0.000 -0.537 0.000
z 0.000 0.000 -1.897
Polar
3z2-r2-3.795
x2-y21.980
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.739 0.000 0.000
y 0.000 8.541 0.000
z 0.000 0.000 7.222


<r2> (average value of r2) Å2
<r2> 153.483
(<r2>)1/2 12.389