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All results from a given calculation for CFClCClF (trans-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-89.468907
Energy at 298.15K-89.469291
HF Energy-89.468907
Nuclear repulsion energy118.909193
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-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 Ag 1774 1713 0.00      
2 Ag 1189 1148 0.00      
3 Ag 629 607 0.00      
4 Ag 415 401 0.00      
5 Ag 282 272 0.00      
6 Au 350 338 0.13      
7 Au 129 125 0.42      
8 Bg 488 471 0.00      
9 Bu 1222 1181 342.56      
10 Bu 864 834 203.91      
11 Bu 416 402 2.06      
12 Bu 172 166 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 3963.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 3827.8 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 B3LYP/CEP-31G*
ABC
0.13893 0.04860 0.03601

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.065 0.679 0.000
C2 0.065 -0.679 0.000
F3 -1.275 1.261 0.000
F4 1.275 -1.261 0.000
Cl5 1.275 1.778 0.000
Cl6 -1.275 -1.778 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.36331.34302.35741.73362.7384
C21.36332.35741.34302.73841.7336
F31.34302.35743.58652.60263.0386
F42.35741.34303.58653.03862.6026
Cl51.73362.73842.60263.03864.3761
Cl62.73841.73363.03862.60264.3761

picture of trans-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 121.168 C1 C2 Cl6 123.879
C2 C1 F3 121.168 C2 C1 Cl5 123.879
F3 C1 Cl5 114.953 F4 C2 Cl6 114.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.114      
2 C 0.114      
3 F -0.077      
4 F -0.077      
5 Cl -0.037      
6 Cl -0.037      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.354 2.722 0.000
y 2.722 -44.214 0.000
z 0.000 0.000 -44.111
Traceless
 xyz
x -0.192 2.722 0.000
y 2.722 0.018 0.000
z 0.000 0.000 0.173
Polar
3z2-r20.347
x2-y2-0.140
xy2.722
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.213 2.461 0.000
y 2.461 9.259 0.000
z 0.000 0.000 3.069


<r2> (average value of r2) Å2
<r2> 143.388
(<r2>)1/2 11.974