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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-1195.555194
Energy at 298.15K-1195.555580
HF Energy-1195.555194
Nuclear repulsion energy347.546303
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 1725 1696 0.00      
2 Ag 1177 1157 0.00      
3 Ag 626 615 0.00      
4 Ag 412 405 0.00      
5 Ag 283 278 0.00      
6 Au 351 345 0.40      
7 Au 129 127 0.06      
8 Bg 497 489 0.00      
9 Bu 1228 1208 285.73      
10 Bu 853 839 197.38      
11 Bu 414 407 1.25      
12 Bu 171 168 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 3932.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 3867.5 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 PBEPBEultrafine/6-31G*
ABC
0.13988 0.04967 0.03665

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.069 0.670 0.000
C2 0.069 -0.670 0.000
F3 -1.271 1.252 0.000
F4 1.271 -1.252 0.000
Cl5 1.271 1.754 0.000
Cl6 -1.271 -1.754 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34691.33592.34251.72322.7057
C21.34692.34251.33592.70571.7232
F31.33592.34253.56792.59143.0055
F42.34251.33593.56793.00552.5914
Cl51.72322.70572.59143.00554.3321
Cl62.70571.72323.00552.59144.3321

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 121.653 C1 C2 Cl6 123.138
C2 C1 F3 121.653 C2 C1 Cl5 123.138
F3 C1 Cl5 115.209 F4 C2 Cl6 115.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.121      
2 C 0.121      
3 F -0.189      
4 F -0.189      
5 Cl 0.068      
6 Cl 0.068      


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 -44.719 1.408 0.000
y 1.408 -44.929 0.000
z 0.000 0.000 -44.971
Traceless
 xyz
x 0.231 1.408 0.000
y 1.408 -0.083 0.000
z 0.000 0.000 -0.147
Polar
3z2-r2-0.295
x2-y20.209
xy1.408
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.083 2.324 0.000
y 2.324 9.018 0.000
z 0.000 0.000 3.110


<r2> (average value of r2) Å2
<r2> 250.272
(<r2>)1/2 15.820