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

using model chemistry: HSEh1PBE/3-21G

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/3-21G
 hartrees
Energy at 0K-1189.772447
Energy at 298.15K-1189.772916
HF Energy-1189.772447
Nuclear repulsion energy343.738501
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/3-21G
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 1854 1786 0.00      
2 Ag 1197 1153 0.00      
3 Ag 625 602 0.00      
4 Ag 401 387 0.00      
5 Ag 276 266 0.00      
6 Au 372 358 1.42      
7 Au 136 131 0.01      
8 Bg 607 585 0.00      
9 Bu 1300 1252 213.80      
10 Bu 809 779 176.73      
11 Bu 393 379 0.63      
12 Bu 168 162 4.30      

Unscaled Zero Point Vibrational Energy (zpe) 4068.8 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 3919.4 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/3-21G
ABC
0.13571 0.04901 0.03601

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.096 0.651 0.000
C2 0.096 -0.651 0.000
F3 -1.304 1.234 0.000
F4 1.304 -1.234 0.000
Cl5 1.304 1.758 0.000
Cl6 -1.304 -1.758 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.31641.34152.34891.78552.6953
C21.31642.34891.34152.69531.7855
F31.34152.34893.59182.66102.9926
F42.34891.34153.59182.99262.6610
Cl51.78552.69532.66102.99264.3786
Cl62.69531.78552.99262.66104.3786

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 124.184 C1 C2 Cl6 119.907
C2 C1 F3 124.184 C2 C1 Cl5 119.907
F3 C1 Cl5 115.910 F4 C2 Cl6 115.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.048      
2 C 0.048      
3 F -0.224      
4 F -0.224      
5 Cl 0.176      
6 Cl 0.176      


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 -46.986 0.802 0.000
y 0.802 -47.290 0.000
z 0.000 0.000 -45.895
Traceless
 xyz
x -0.393 0.802 0.000
y 0.802 -0.850 0.000
z 0.000 0.000 1.243
Polar
3z2-r22.486
x2-y20.304
xy0.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.478 2.481 0.000
y 2.481 7.886 0.000
z 0.000 0.000 1.825


<r2> (average value of r2) Å2
<r2> 255.402
(<r2>)1/2 15.981