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All results from a given calculation for CFClCFCl (cis-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: PBE1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-1195.817598
Energy at 298.15K-1195.818214
HF Energy-1195.817598
Nuclear repulsion energy353.947631
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-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1783 1714 21.55      
2 A1 1199 1152 333.74      
3 A1 583 561 0.57      
4 A1 334 321 2.25      
5 A1 168 161 0.98      
6 A2 582 560 0.00      
7 A2 150 144 0.00      
8 B1 350 337 0.25      
9 B2 1234 1187 33.49      
10 B2 984 947 163.52      
11 B2 438 421 0.29      
12 B2 423 407 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 4113.6 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 3955.3 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-pVTZ
ABC
0.10389 0.06329 0.03933

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.414
C2 0.000 -0.665 0.414
F3 0.000 1.327 1.558
F4 0.000 -1.327 1.558
Cl5 0.000 1.643 -0.971
Cl6 0.000 -1.643 -0.971

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32941.32212.29681.69552.6915
C21.32942.29681.32212.69151.6955
F31.32212.29682.65332.54883.9009
F42.29681.32212.65333.90092.5488
Cl51.69552.69152.54883.90093.2867
Cl62.69151.69553.90092.54883.2867

picture of cis-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 120.046 C1 C2 Cl6 125.254
C2 C1 F3 120.046 C2 C1 Cl5 125.254
F3 C1 Cl5 114.700 F4 C2 Cl6 114.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.363      
2 C 0.363      
3 F -0.256      
4 F -0.256      
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 -0.844 0.844
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.285 0.000 0.000
y 0.000 -45.724 0.000
z 0.000 0.000 -46.103
Traceless
 xyz
x 0.629 0.000 0.000
y 0.000 -0.030 0.000
z 0.000 0.000 -0.599
Polar
3z2-r2-1.197
x2-y20.440
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.594 0.000 0.000
y 0.000 10.531 0.000
z 0.000 0.000 8.285


<r2> (average value of r2) Å2
<r2> 235.149
(<r2>)1/2 15.335