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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-1196.306523
Energy at 298.15K-1196.307121
HF Energy-1196.306523
Nuclear repulsion energy351.587941
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 mPW1PW91/6-311G*
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 1803 1721 0.00      
2 Ag 1220 1164 0.00      
3 Ag 654 624 0.00      
4 Ag 434 414 0.00      
5 Ag 295 282 0.00      
6 Au 375 358 0.62      
7 Au 137 131 0.29      
8 Bg 571 545 0.00      
9 Bu 1258 1200 345.92      
10 Bu 897 856 209.54      
11 Bu 435 416 2.34      
12 Bu 178 170 2.53      

Unscaled Zero Point Vibrational Energy (zpe) 4128.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 3940.4 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 mPW1PW91/6-311G*
ABC
0.14375 0.05069 0.03747

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.066 0.661 0.000
C2 0.066 -0.661 0.000
F3 -1.254 1.238 0.000
F4 1.254 -1.238 0.000
Cl5 1.254 1.739 0.000
Cl6 -1.254 -1.739 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32811.32022.31211.70422.6772
C21.32812.31211.32022.67721.7042
F31.32022.31213.52342.55702.9763
F42.31211.32023.52342.97632.5570
Cl51.70422.67722.55702.97634.2872
Cl62.67721.70422.97632.55704.2872

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 121.638 C1 C2 Cl6 123.511
C2 C1 F3 121.638 C2 C1 Cl5 123.511
F3 C1 Cl5 114.851 F4 C2 Cl6 114.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.142      
2 C 0.142      
3 F -0.163      
4 F -0.163      
5 Cl 0.021      
6 Cl 0.021      


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 -45.812 2.219 0.000
y 2.219 -45.953 0.000
z 0.000 0.000 -45.655
Traceless
 xyz
x -0.008 2.219 0.000
y 2.219 -0.220 0.000
z 0.000 0.000 0.228
Polar
3z2-r20.456
x2-y20.142
xy2.219
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.864 2.442 0.000
y 2.442 8.755 0.000
z 0.000 0.000 2.916


<r2> (average value of r2) Å2
<r2> 245.993
(<r2>)1/2 15.684