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

using model chemistry: TPSSh/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 TPSSh/3-21G
 hartrees
Energy at 0K-1190.313812
Energy at 298.15K-1190.314166
HF Energy-1190.313812
Nuclear repulsion energy341.116106
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 TPSSh/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 1805 1749 0.00      
2 Ag 1156 1120 0.00      
3 Ag 608 589 0.00      
4 Ag 387 375 0.00      
5 Ag 266 258 0.00      
6 Au 362 351 0.91      
7 Au 135 130 0.00      
8 Bg 566 548 0.00      
9 Bu 1266 1227 211.40      
10 Bu 778 753 185.33      
11 Bu 380 368 0.43      
12 Bu 162 157 4.14      

Unscaled Zero Point Vibrational Energy (zpe) 3934.8 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 3812.0 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 TPSSh/3-21G
ABC
0.13366 0.04827 0.03546

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.100 0.654 0.000
C2 0.100 -0.654 0.000
F3 -1.316 1.241 0.000
F4 1.316 -1.241 0.000
Cl5 1.316 1.772 0.000
Cl6 -1.316 -1.772 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32291.35042.36511.80322.7133
C21.32292.36511.35042.71331.8032
F31.35042.36513.61732.68413.0128
F42.36511.35043.61733.01282.6841
Cl51.80322.71332.68413.01284.4133
Cl62.71331.80323.01282.68414.4133

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 124.430 C1 C2 Cl6 119.649
C2 C1 F3 124.430 C2 C1 Cl5 119.649
F3 C1 Cl5 115.921 F4 C2 Cl6 115.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.055      
2 C 0.055      
3 F -0.212      
4 F -0.212      
5 Cl 0.156      
6 Cl 0.156      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.756 2.614 0.000
y 2.614 8.136 0.000
z 0.000 0.000 1.836


<r2> (average value of r2) Å2
<r2> 258.841
(<r2>)1/2 16.089