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

using model chemistry: B3PW91/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 B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1196.108340
Energy at 298.15K-1196.108880
HF Energy-1196.108340
Nuclear repulsion energy349.499493
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 B3PW91/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 1783 1720 0.00      
2 Ag 1187 1145 0.00      
3 Ag 640 618 0.00      
4 Ag 426 411 0.00      
5 Ag 288 278 0.00      
6 Au 367 354 0.51      
7 Au 134 129 0.24      
8 Bg 550 530 0.00      
9 Bu 1219 1176 294.03      
10 Bu 890 858 184.57      
11 Bu 424 409 2.61      
12 Bu 172 166 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 4039.7 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 3896.7 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 B3PW91/aug-cc-pVDZ
ABC
0.14221 0.05004 0.03701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.063 0.665 0.000
C2 0.063 -0.665 0.000
F3 -1.259 1.248 0.000
F4 1.259 -1.248 0.000
Cl5 1.259 1.751 0.000
Cl6 -1.259 -1.751 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33621.33132.32571.71052.6960
C21.33622.32571.33132.69601.7105
F31.33132.32573.54642.56832.9989
F42.32571.33133.54642.99892.5683
Cl51.71052.69602.56832.99894.3132
Cl62.69601.71052.99892.56834.3132

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 121.353 C1 C2 Cl6 124.015
C2 C1 F3 121.353 C2 C1 Cl5 124.015
F3 C1 Cl5 114.631 F4 C2 Cl6 114.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.447      
2 C 0.447      
3 F -0.402      
4 F -0.402      
5 Cl -0.045      
6 Cl -0.045      


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 -45.806 2.658 0.000
y 2.658 -45.377 0.000
z 0.000 0.000 -45.525
Traceless
 xyz
x -0.356 2.658 0.000
y 2.658 0.289 0.000
z 0.000 0.000 0.067
Polar
3z2-r20.133
x2-y2-0.430
xy2.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.540 2.094 0.000
y 2.094 10.778 0.000
z 0.000 0.000 5.490


<r2> (average value of r2) Å2
<r2> 248.542
(<r2>)1/2 15.765