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

using model chemistry: PBE1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.718310
Energy at 298.15K-1195.718883
HF Energy-1195.718310
Nuclear repulsion energy350.463667
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 PBE1PBE/aug-cc-pVDZ
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 1736 0.00      
2 Ag 1207 1161 0.00      
3 Ag 648 623 0.00      
4 Ag 431 414 0.00      
5 Ag 290 279 0.00      
6 Au 370 356 0.53      
7 Au 136 131 0.25      
8 Bg 558 537 0.00      
9 Bu 1239 1191 295.15      
10 Bu 906 871 182.71      
11 Bu 428 411 2.83      
12 Bu 172 165 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 4094.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 3937.3 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 PBE1PBE/aug-cc-pVDZ
ABC
0.14287 0.05034 0.03722

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.062 0.664 0.000
C2 0.062 -0.664 0.000
F3 -1.256 1.245 0.000
F4 1.256 -1.245 0.000
Cl5 1.256 1.745 0.000
Cl6 -1.256 -1.745 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33411.32772.32041.70512.6885
C21.33412.32041.32772.68851.7051
F31.32772.32043.53762.56202.9899
F42.32041.32773.53762.98992.5620
Cl51.70512.68852.56202.98994.3002
Cl62.68851.70512.98992.56204.3002

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 121.321 C1 C2 Cl6 123.958
C2 C1 F3 121.321 C2 C1 Cl5 123.958
F3 C1 Cl5 114.721 F4 C2 Cl6 114.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.482      
2 C 0.482      
3 F -0.422      
4 F -0.422      
5 Cl -0.060      
6 Cl -0.060      


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 -45.864 2.667 0.000
y 2.667 -45.436 0.000
z 0.000 0.000 -45.638
Traceless
 xyz
x -0.327 2.667 0.000
y 2.667 0.315 0.000
z 0.000 0.000 0.012
Polar
3z2-r20.025
x2-y2-0.428
xy2.667
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.466 2.062 0.000
y 2.062 10.694 0.000
z 0.000 0.000 5.473


<r2> (average value of r2) Å2
<r2> 247.340
(<r2>)1/2 15.727