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All results from a given calculation for CFClCClF (trans-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 C2H 1AG
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1196.267495
Energy at 298.15K-1196.268067
HF Energy-1196.267495
Nuclear repulsion energy350.333548
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
(Å4/u)
Dep P Dep U
1 Ag 1804 1728 0.00      
2 Ag 1204 1153 0.00      
3 Ag 647 620 0.00      
4 Ag 430 412 0.00      
5 Ag 290 278 0.00      
6 Au 370 355 0.57      
7 Au 136 130 0.25      
8 Bg 558 535 0.00      
9 Bu 1236 1184 295.55      
10 Bu 902 864 183.83      
11 Bu 427 410 2.79      
12 Bu 173 166 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 4088.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 3917.5 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
0.14288 0.05028 0.03719

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.063 0.664 0.000
C2 0.063 -0.664 0.000
F3 -1.257 1.245 0.000
F4 1.257 -1.245 0.000
Cl5 1.257 1.746 0.000
Cl6 -1.257 -1.746 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33341.32792.32011.70662.6896
C21.33342.32011.32792.68961.7066
F31.32792.32013.53762.56272.9912
F42.32011.32793.53762.99122.5627
Cl51.70662.68962.56272.99124.3029
Cl62.68961.70662.99122.56274.3029

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 121.344 C1 C2 Cl6 123.983
C2 C1 F3 121.344 C2 C1 Cl5 123.983
F3 C1 Cl5 114.672 F4 C2 Cl6 114.672
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 0.468      
2 C 0.468      
3 F -0.417      
4 F -0.417      
5 Cl -0.051      
6 Cl -0.051      


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 -45.825 2.693 0.000
y 2.693 -45.380 0.000
z 0.000 0.000 -45.545
Traceless
 xyz
x -0.363 2.693 0.000
y 2.693 0.306 0.000
z 0.000 0.000 0.057
Polar
3z2-r20.114
x2-y2-0.446
xy2.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.460 2.063 0.000
y 2.063 10.696 0.000
z 0.000 0.000 5.475


<r2> (average value of r2) Å2
<r2> 247.496
(<r2>)1/2 15.732