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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-1195.686163
Energy at 298.15K-1195.686729
HF Energy-1195.686163
Nuclear repulsion energy351.021250
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 HSEh1PBE/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 1816 1727 0.00      
2 Ag 1246 1185 0.00      
3 Ag 656 624 0.00      
4 Ag 433 412 0.00      
5 Ag 294 280 0.00      
6 Au 374 356 1.11      
7 Au 138 131 0.10      
8 Bg 554 527 0.00      
9 Bu 1287 1224 304.09      
10 Bu 904 859 195.31      
11 Bu 432 411 2.07      
12 Bu 178 169 2.32      

Unscaled Zero Point Vibrational Energy (zpe) 4155.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 3952.1 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 HSEh1PBE/6-31G*
ABC
0.14310 0.05057 0.03737

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.740 0.000
Cl6 -1.257 -1.740 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33211.32282.31621.70612.6814
C21.33212.31621.32282.68141.7061
F31.32282.31623.52922.56402.9777
F42.31621.32283.52922.97772.5640
Cl51.70612.68142.56402.97774.2926
Cl62.68141.70612.97772.56404.2926

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 121.483 C1 C2 Cl6 123.438
C2 C1 F3 121.483 C2 C1 Cl5 123.438
F3 C1 Cl5 115.079 F4 C2 Cl6 115.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.149      
2 C 0.149      
3 F -0.224      
4 F -0.224      
5 Cl 0.074      
6 Cl 0.074      


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 -44.992 1.745 0.000
y 1.745 -45.041 0.000
z 0.000 0.000 -44.898
Traceless
 xyz
x -0.022 1.745 0.000
y 1.745 -0.096 0.000
z 0.000 0.000 0.119
Polar
3z2-r20.238
x2-y20.049
xy1.745
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.674 2.180 0.000
y 2.180 8.669 0.000
z 0.000 0.000 3.070


<r2> (average value of r2) Å2
<r2> 246.088
(<r2>)1/2 15.687