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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-pVTZ

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-pVTZ
 hartrees
Energy at 0K-1196.210874
Energy at 298.15K-1196.211445
HF Energy-1196.210874
Nuclear repulsion energy351.324154
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-pVTZ
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 1770 1708 0.00      
2 Ag 1194 1153 0.00      
3 Ag 647 624 0.00      
4 Ag 429 414 0.00      
5 Ag 290 280 0.00      
6 Au 370 357 0.49      
7 Au 134 129 0.22      
8 Bg 562 543 0.00      
9 Bu 1235 1192 296.82      
10 Bu 886 855 182.24      
11 Bu 429 414 2.27      
12 Bu 177 171 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 4060.8 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 3919.0 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 B3PW91/aug-cc-pVTZ
ABC
0.14360 0.05059 0.03741

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.662 0.000
C2 0.064 -0.662 0.000
F3 -1.254 1.239 0.000
F4 1.254 -1.239 0.000
Cl5 1.254 1.740 0.000
Cl6 -1.254 -1.740 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32931.32312.31321.70332.6807
C21.32932.31321.32312.68071.7033
F31.32312.31323.52652.55792.9798
F42.31321.32313.52652.97982.5579
Cl51.70332.68072.55792.97984.2905
Cl62.68071.70332.97982.55794.2905

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 121.412 C1 C2 Cl6 123.783
C2 C1 F3 121.412 C2 C1 Cl5 123.783
F3 C1 Cl5 114.805 F4 C2 Cl6 114.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.374      
2 C 0.374      
3 F -0.266      
4 F -0.266      
5 Cl -0.108      
6 Cl -0.108      


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 -45.711 2.515 0.000
y 2.515 -45.329 0.000
z 0.000 0.000 -45.185
Traceless
 xyz
x -0.454 2.515 0.000
y 2.515 0.119 0.000
z 0.000 0.000 0.335
Polar
3z2-r20.670
x2-y2-0.382
xy2.515
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.645 2.091 0.000
y 2.091 10.936 0.000
z 0.000 0.000 5.662


<r2> (average value of r2) Å2
<r2> 246.096
(<r2>)1/2 15.687