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

using model chemistry: HSEh1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1195.704733
Energy at 298.15K-1195.705309
HF Energy-1195.704733
Nuclear repulsion energy350.721930
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/6-31+G**
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 1801 1719 0.00      
2 Ag 1219 1164 0.00      
3 Ag 652 622 0.00      
4 Ag 434 414 0.00      
5 Ag 294 280 0.00      
6 Au 370 353 0.72      
7 Au 135 129 0.35      
8 Bg 561 536 0.00      
9 Bu 1247 1191 338.35      
10 Bu 909 868 196.99      
11 Bu 432 413 3.22      
12 Bu 177 169 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 4114.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 3928.8 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 HSEh1PBE/6-31+G**
ABC
0.14334 0.05036 0.03727

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.059 0.664 0.000
C2 0.059 -0.664 0.000
F3 -1.255 1.244 0.000
F4 1.255 -1.244 0.000
Cl5 1.255 1.745 0.000
Cl6 -1.255 -1.745 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33311.32932.31601.70102.6897
C21.33312.31601.32932.68971.7010
F31.32932.31603.53342.55902.9888
F42.31601.32933.53342.98882.5590
Cl51.70102.68972.55902.98884.2987
Cl62.68971.70102.98882.55904.2987

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 120.898 C1 C2 Cl6 124.423
C2 C1 F3 120.898 C2 C1 Cl5 124.423
F3 C1 Cl5 114.679 F4 C2 Cl6 114.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.036      
3 F -0.239      
4 F -0.239      
5 Cl 0.203      
6 Cl 0.203      


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 -46.196 2.796 0.000
y 2.796 -45.573 0.000
z 0.000 0.000 -45.577
Traceless
 xyz
x -0.621 2.796 0.000
y 2.796 0.313 0.000
z 0.000 0.000 0.308
Polar
3z2-r20.616
x2-y2-0.623
xy2.796
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.527 2.075 0.000
y 2.075 9.739 0.000
z 0.000 0.000 4.351


<r2> (average value of r2) Å2
<r2> 247.177
(<r2>)1/2 15.722