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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-1182.489545
Energy at 298.15K-1182.489593
HF Energy-1182.489545
Nuclear repulsion energy339.300175
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 B1B95/STO-3G
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 1861 1643 0.00      
2 Ag 1305 1152 0.00      
3 Ag 655 578 0.00      
4 Ag 411 363 0.00      
5 Ag 261 231 0.00      
6 Au 357 315 2.03      
7 Au 133 117 1.43      
8 Bg 471 416 0.00      
9 Bu 1401 1237 141.04      
10 Bu 883 780 140.19      
11 Bu 402 355 2.41      
12 Bu 147 130 2.92      

Unscaled Zero Point Vibrational Energy (zpe) 4143.1 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 3658.4 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 B1B95/STO-3G
ABC
0.13181 0.04775 0.03505

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.106 0.671 0.000
C2 0.106 -0.671 0.000
F3 -1.315 1.265 0.000
F4 1.315 -1.265 0.000
Cl5 1.315 1.783 0.000
Cl6 -1.315 -1.783 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.35971.34672.40241.80462.7358
C21.35972.40241.34672.73581.8046
F31.34672.40243.64982.68113.0478
F42.40241.34673.64983.04782.6811
Cl51.80462.73582.68113.04784.4310
Cl62.73581.80463.04782.68114.4310

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 125.159 C1 C2 Cl6 119.006
C2 C1 F3 125.159 C2 C1 Cl5 119.006
F3 C1 Cl5 115.836 F4 C2 Cl6 115.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.114      
2 C 0.114      
3 F -0.014      
4 F -0.014      
5 Cl -0.101      
6 Cl -0.101      


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 -43.546 -3.306 0.000
y -3.306 -44.669 0.000
z 0.000 0.000 -41.237
Traceless
 xyz
x -0.593 -3.306 0.000
y -3.306 -2.277 0.000
z 0.000 0.000 2.870
Polar
3z2-r25.740
x2-y21.123
xy-3.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.418 1.622 0.000
y 1.622 5.530 0.000
z 0.000 0.000 0.523


<r2> (average value of r2) Å2
<r2> 259.332
(<r2>)1/2 16.104