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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-1195.627307
Energy at 298.15K-1195.627876
HF Energy-1195.627307
Nuclear repulsion energy351.129368
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 PBE1PBE/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 Ag 1819 1729 0.00      
2 Ag 1251 1189 0.00      
3 Ag 657 625 0.00      
4 Ag 434 413 0.00      
5 Ag 294 280 0.00      
6 Au 375 356 1.09      
7 Au 138 131 0.09      
8 Bg 555 527 0.00      
9 Bu 1292 1228 303.92      
10 Bu 906 861 194.91      
11 Bu 432 411 2.08      
12 Bu 177 168 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 4165.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 3958.0 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 PBE1PBE/6-31G*
ABC
0.14323 0.05059 0.03739

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.066 0.663 0.000
C2 0.066 -0.663 0.000
F3 -1.257 1.238 0.000
F4 1.257 -1.238 0.000
Cl5 1.257 1.739 0.000
Cl6 -1.257 -1.739 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33231.32192.31571.70562.6810
C21.33232.31571.32192.68101.7056
F31.32192.31573.52772.56272.9773
F42.31571.32193.52772.97732.5627
Cl51.70562.68102.56272.97734.2917
Cl62.68101.70562.97732.56274.2917

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 121.488 C1 C2 Cl6 123.435
C2 C1 F3 121.488 C2 C1 Cl5 123.435
F3 C1 Cl5 115.077 F4 C2 Cl6 115.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.148      
2 C 0.148      
3 F -0.224      
4 F -0.224      
5 Cl 0.076      
6 Cl 0.076      


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 -44.988 1.719 0.000
y 1.719 -45.050 0.000
z 0.000 0.000 -44.913
Traceless
 xyz
x -0.006 1.719 0.000
y 1.719 -0.100 0.000
z 0.000 0.000 0.106
Polar
3z2-r20.213
x2-y20.062
xy1.719
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.660 2.174 0.000
y 2.174 8.660 0.000
z 0.000 0.000 3.071


<r2> (average value of r2) Å2
<r2> 245.982
(<r2>)1/2 15.684