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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-1193.538118
Energy at 298.15K-1193.539000
HF Energy-1193.538118
Nuclear repulsion energy354.263668
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 HF/6-31G(2df,p)
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 1976 1789 0.00      
2 Ag 1343 1216 0.00      
3 Ag 703 636 0.00      
4 Ag 466 422 0.00      
5 Ag 315 285 0.00      
6 Au 428 388 3.29      
7 Au 152 138 0.05      
8 Bg 669 606 0.00      
9 Bu 1377 1247 321.31      
10 Bu 953 863 197.49      
11 Bu 461 418 3.11      
12 Bu 194 175 2.73      

Unscaled Zero Point Vibrational Energy (zpe) 4518.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 4091.0 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 HF/6-31G(2df,p)
ABC
0.14803 0.05101 0.03794

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.071 0.650 0.000
C2 0.071 -0.650 0.000
F3 -1.240 1.216 0.000
F4 1.240 -1.216 0.000
Cl5 1.240 1.741 0.000
Cl6 -1.240 -1.741 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.30841.29842.28041.70532.6620
C21.30842.28041.29842.66201.7053
F31.29842.28043.47282.53452.9571
F42.28041.29843.47282.95712.5345
Cl51.70532.66202.53452.95714.2750
Cl62.66201.70532.95712.53454.2750

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 122.041 C1 C2 Cl6 123.551
C2 C1 F3 122.041 C2 C1 Cl5 123.551
F3 C1 Cl5 114.409 F4 C2 Cl6 114.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 C 0.243      
3 F -0.178      
4 F -0.178      
5 Cl -0.065      
6 Cl -0.065      


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 -46.004 1.996 0.000
y 1.996 -45.683 0.000
z 0.000 0.000 -44.969
Traceless
 xyz
x -0.678 1.996 0.000
y 1.996 -0.197 0.000
z 0.000 0.000 0.875
Polar
3z2-r21.749
x2-y2-0.321
xy1.996
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.743 1.976 0.000
y 1.976 9.102 0.000
z 0.000 0.000 4.028


<r2> (average value of r2) Å2
<r2> 243.203
(<r2>)1/2 15.595