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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-1196.058449
Energy at 298.15K-1196.058909
HF Energy-1196.058449
Nuclear repulsion energy344.417540
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 mPW1PW91/6-31G
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 1816 1719 6.32      
2 A1 1158 1096 270.86      
3 A1 539 510 2.06      
4 A1 316 299 2.83      
5 A1 165 156 1.96      
6 A2 573 543 0.00      
7 A2 146 138 0.00      
8 B1 344 325 1.79      
9 B2 1207 1143 9.50      
10 B2 925 876 160.96      
11 B2 425 402 0.02      
12 B2 395 374 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 4003.9 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 3790.1 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 mPW1PW91/6-31G
ABC
0.09782 0.06021 0.03727

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.664 0.427
C2 0.000 -0.664 0.427
F3 0.000 1.350 1.605
F4 0.000 -1.350 1.605
Cl5 0.000 1.691 -1.001
Cl6 0.000 -1.691 -1.001

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32801.36382.33371.75902.7544
C21.32802.33371.36382.75441.7590
F31.36382.33372.70072.62844.0056
F42.33371.36382.70074.00562.6284
Cl51.75902.75442.62844.00563.3830
Cl62.75441.75904.00562.62843.3830

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 120.217 C1 C2 Cl6 125.742
C2 C1 F3 120.217 C2 C1 Cl5 125.742
F3 C1 Cl5 114.040 F4 C2 Cl6 114.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.051      
2 C 0.051      
3 F -0.264      
4 F -0.264      
5 Cl 0.214      
6 Cl 0.214      


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 -1.020 1.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.325 0.000 0.000
y 0.000 -47.059 0.000
z 0.000 0.000 -47.567
Traceless
 xyz
x 1.988 0.000 0.000
y 0.000 -0.613 0.000
z 0.000 0.000 -1.375
Polar
3z2-r2-2.750
x2-y21.734
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.255 0.000 0.000
y 0.000 7.894 0.000
z 0.000 0.000 6.485


<r2> (average value of r2) Å2
<r2> 247.156
(<r2>)1/2 15.721