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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-1193.691838
Energy at 298.15K-1193.692717
HF Energy-1193.691838
Nuclear repulsion energy354.385341
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 1956 1773 0.00      
2 Ag 1332 1207 0.00      
3 Ag 701 635 0.00      
4 Ag 466 423 0.00      
5 Ag 315 285 0.00      
6 Au 423 383 1.65      
7 Au 150 136 0.22      
8 Bg 672 609 0.00      
9 Bu 1353 1226 349.31      
10 Bu 956 866 196.54      
11 Bu 464 421 3.41      
12 Bu 194 176 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 4490.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 4070.0 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/Def2TZVPP
ABC
0.14829 0.05100 0.03795

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.650 0.000
C2 0.064 -0.650 0.000
F3 -1.237 1.219 0.000
F4 1.237 -1.219 0.000
Cl5 1.237 1.742 0.000
Cl6 -1.237 -1.742 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.30621.30412.27741.69892.6641
C21.30622.27741.30412.66411.6989
F31.30412.27743.47402.52962.9607
F42.27741.30413.47402.96072.5296
Cl51.69892.66412.52962.96074.2733
Cl62.66411.69892.96072.52964.2733

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 121.497 C1 C2 Cl6 124.364
C2 C1 F3 121.497 C2 C1 Cl5 124.364
F3 C1 Cl5 114.139 F4 C2 Cl6 114.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.236      
2 C 0.236      
3 F -0.218      
4 F -0.218      
5 Cl -0.017      
6 Cl -0.017      


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 -46.396 2.599 0.000
y 2.599 -45.765 0.000
z 0.000 0.000 -45.227
Traceless
 xyz
x -0.900 2.599 0.000
y 2.599 0.046 0.000
z 0.000 0.000 0.854
Polar
3z2-r21.707
x2-y2-0.631
xy2.599
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.028 1.961 0.000
y 1.961 9.252 0.000
z 0.000 0.000 4.414


<r2> (average value of r2) Å2
<r2> 243.265
(<r2>)1/2 15.597