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

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-1196.193999
Energy at 298.15K-1196.194581
HF Energy-1196.193999
Nuclear repulsion energy352.285979
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 mPW1PW91/6-31+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 1797 1711 15.98      
2 A1 1200 1142 369.22      
3 A1 582 554 0.76      
4 A1 334 318 2.56      
5 A1 169 161 1.10      
6 A2 561 534 0.00      
7 A2 149 142 0.00      
8 B1 349 332 0.35      
9 B2 1238 1178 29.66      
10 B2 983 936 184.34      
11 B2 439 418 0.20      
12 B2 423 403 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 4111.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 3913.7 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 mPW1PW91/6-31+G**
ABC
0.10357 0.06228 0.03889

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.408
C2 0.000 -0.667 0.408
F3 0.000 1.326 1.563
F4 0.000 -1.326 1.563
Cl5 0.000 1.662 -0.971
Cl6 0.000 -1.662 -0.971

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33391.32992.30331.70052.7066
C21.33392.30331.32992.70661.7005
F31.32992.30332.65152.55633.9178
F42.30331.32992.65153.91782.5563
Cl51.70052.70662.55633.91783.3241
Cl62.70661.70053.91782.55633.3241

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 119.696 C1 C2 Cl6 125.816
C2 C1 F3 119.696 C2 C1 Cl5 125.816
F3 C1 Cl5 114.488 F4 C2 Cl6 114.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 C -0.009      
3 F -0.218      
4 F -0.218      
5 Cl 0.227      
6 Cl 0.227      


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 -1.074 1.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.485 0.000 0.000
y 0.000 -45.819 0.000
z 0.000 0.000 -46.615
Traceless
 xyz
x 0.732 0.000 0.000
y 0.000 0.232 0.000
z 0.000 0.000 -0.964
Polar
3z2-r2-1.927
x2-y20.334
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.268 0.000 0.000
y 0.000 9.352 0.000
z 0.000 0.000 7.280


<r2> (average value of r2) Å2
<r2> 237.644
(<r2>)1/2 15.416