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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1196.266582
Energy at 298.15K-1196.267161
HF Energy-1196.266582
Nuclear repulsion energy352.055381
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 mPW1PW91/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 1798 1723 17.78      
2 A1 1185 1136 335.14      
3 A1 581 557 0.29      
4 A1 331 317 2.25      
5 A1 167 160 1.01      
6 A2 565 541 0.00      
7 A2 148 142 0.00      
8 B1 345 331 0.31      
9 B2 1212 1162 27.75      
10 B2 977 937 169.94      
11 B2 433 415 0.36      
12 B2 418 400 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 4080.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 3909.9 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 mPW1PW91/aug-cc-pVDZ
ABC
0.10303 0.06248 0.03889

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 0.414
C2 0.000 -0.668 0.414
F3 0.000 1.334 1.565
F4 0.000 -1.334 1.565
Cl5 0.000 1.655 -0.975
Cl6 0.000 -1.655 -0.975

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33501.33032.30891.70372.7058
C21.33502.30891.33032.70581.7037
F31.33032.30892.66762.56013.9221
F42.30891.33032.66763.92212.5601
Cl51.70372.70582.56013.92213.3098
Cl62.70581.70373.92212.56013.3098

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 120.055 C1 C2 Cl6 125.419
C2 C1 F3 120.055 C2 C1 Cl5 125.419
F3 C1 Cl5 114.526 F4 C2 Cl6 114.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.509      
2 C 0.509      
3 F -0.475      
4 F -0.475      
5 Cl -0.034      
6 Cl -0.034      


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 -0.904 0.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.542 0.000 0.000
y 0.000 -45.711 0.000
z 0.000 0.000 -46.181
Traceless
 xyz
x 0.404 0.000 0.000
y 0.000 0.151 0.000
z 0.000 0.000 -0.555
Polar
3z2-r2-1.110
x2-y20.168
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.430 0.000 0.000
y 0.000 10.390 0.000
z 0.000 0.000 8.192


<r2> (average value of r2) Å2
<r2> 237.546
(<r2>)1/2 15.413