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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-1193.591492
Energy at 298.15K-1193.592335
HF Energy-1193.591492
Nuclear repulsion energy352.339733
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 HF/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 1971 1794 0.00      
2 Ag 1312 1195 0.00      
3 Ag 691 629 0.00      
4 Ag 462 420 0.00      
5 Ag 311 283 0.00      
6 Au 414 377 1.99      
7 Au 150 136 0.19      
8 Bg 648 590 0.00      
9 Bu 1327 1208 323.56      
10 Bu 955 870 194.21      
11 Bu 457 416 3.98      
12 Bu 189 172 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 4442.3 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 4045.1 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 HF/aug-cc-pVDZ
ABC
0.14653 0.05043 0.03752

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.653 0.000
C2 0.064 -0.653 0.000
F3 -1.245 1.227 0.000
F4 1.245 -1.227 0.000
Cl5 1.245 1.751 0.000
Cl6 -1.245 -1.751 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.31301.31252.29121.70862.6789
C21.31302.29121.31252.67891.7086
F31.31252.29123.49592.54392.9787
F42.29121.31253.49592.97872.5439
Cl51.70862.67892.54392.97874.2974
Cl62.67891.70862.97872.54394.2974

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 121.546 C1 C2 Cl6 124.378
C2 C1 F3 121.546 C2 C1 Cl5 124.378
F3 C1 Cl5 114.076 F4 C2 Cl6 114.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.642      
2 C 0.642      
3 F -0.569      
4 F -0.569      
5 Cl -0.074      
6 Cl -0.074      


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 -46.781 2.807 0.000
y 2.807 -46.156 0.000
z 0.000 0.000 -45.845
Traceless
 xyz
x -0.780 2.807 0.000
y 2.807 0.157 0.000
z 0.000 0.000 0.623
Polar
3z2-r21.246
x2-y2-0.625
xy2.807
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.696 1.903 0.000
y 1.903 10.091 0.000
z 0.000 0.000 5.229


<r2> (average value of r2) Å2
<r2> 246.033
(<r2>)1/2 15.685