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

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-1181.724376
Energy at 298.15K-1181.724203
HF Energy-1181.724376
Nuclear repulsion energy335.311236
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 PBEPBE/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 1766 1614 0.00      
2 Ag 1240 1133 0.00      
3 Ag 626 572 0.00      
4 Ag 390 356 0.00      
5 Ag 253 231 0.00      
6 Au 331 302 0.36      
7 Au 120 110 1.75      
8 Bg 383 350 0.00      
9 Bu 1366 1248 132.55      
10 Bu 827 756 146.84      
11 Bu 387 354 1.76      
12 Bu 144 132 2.87      

Unscaled Zero Point Vibrational Energy (zpe) 3917.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 3579.0 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 PBEPBE/STO-3G
ABC
0.12897 0.04657 0.03422

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.112 0.680 0.000
C2 0.112 -0.680 0.000
F3 -1.331 1.276 0.000
F4 1.331 -1.276 0.000
Cl5 1.331 1.806 0.000
Cl6 -1.331 -1.806 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.37881.35652.43061.83072.7692
C21.37882.43061.35652.76921.8307
F31.35652.43063.68712.71463.0819
F42.43061.35653.68713.08192.7146
Cl51.83072.76922.71463.08194.4876
Cl62.76921.83073.08192.71464.4876

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 125.400 C1 C2 Cl6 118.595
C2 C1 F3 125.400 C2 C1 Cl5 118.595
F3 C1 Cl5 116.005 F4 C2 Cl6 116.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.081      
2 C 0.081      
3 F 0.024      
4 F 0.024      
5 Cl -0.106      
6 Cl -0.106      


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 -42.787 -3.919 0.000
y -3.919 -44.293 0.000
z 0.000 0.000 -41.339
Traceless
 xyz
x 0.029 -3.919 0.000
y -3.919 -2.230 0.000
z 0.000 0.000 2.201
Polar
3z2-r24.403
x2-y21.506
xy-3.919
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.752 1.727 0.000
y 1.727 5.772 0.000
z 0.000 0.000 0.554


<r2> (average value of r2) Å2
<r2> 264.795
(<r2>)1/2 16.273