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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.650002
Energy at 298.15K-1195.650401
HF Energy-1195.650002
Nuclear repulsion energy348.492191
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 PBEPBEultrafine/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 A1 1702 1692 15.62      
2 A1 1113 1106 341.21      
3 A1 554 550 0.54      
4 A1 318 316 1.91      
5 A1 160 159 0.90      
6 A2 515 512 0.00      
7 A2 139 138 0.00      
8 B1 324 322 0.07      
9 B2 1134 1127 22.88      
10 B2 928 923 158.94      
11 B2 413 411 0.22      
12 B2 400 397 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 3849.5 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 3826.0 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.10101 0.06120 0.03811

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.675 0.413
C2 0.000 -0.675 0.413
F3 0.000 1.347 1.582
F4 0.000 -1.347 1.582
Cl5 0.000 1.672 -0.984
Cl6 0.000 -1.672 -0.984

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.35001.34812.33521.71662.7317
C21.35002.33521.34812.73171.7166
F31.34812.33522.69312.58663.9622
F42.33521.34812.69313.96222.5866
Cl51.71662.73172.58663.96223.3450
Cl62.73171.71663.96222.58663.3450

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 119.877 C1 C2 Cl6 125.527
C2 C1 F3 119.877 C2 C1 Cl5 125.527
F3 C1 Cl5 114.595 F4 C2 Cl6 114.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.459      
2 C 0.459      
3 F -0.426      
4 F -0.426      
5 Cl -0.033      
6 Cl -0.033      


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 -0.882 0.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.905 0.000 0.000
y 0.000 -45.910 0.000
z 0.000 0.000 -46.321
Traceless
 xyz
x 0.210 0.000 0.000
y 0.000 0.203 0.000
z 0.000 0.000 -0.413
Polar
3z2-r2-0.827
x2-y20.005
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.635 0.000 0.000
y 0.000 10.951 0.000
z 0.000 0.000 8.779


<r2> (average value of r2) Å2
<r2> 241.984
(<r2>)1/2 15.556