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

using model chemistry: HSEh1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-1195.713660
Energy at 298.15K-1195.714270
HF Energy-1195.713660
Nuclear repulsion energy352.478128
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 HSEh1PBE/6-31G(2df,p)
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 1807 1731 0.00      
2 Ag 1240 1187 0.00      
3 Ag 659 631 0.00      
4 Ag 435 417 0.00      
5 Ag 293 281 0.00      
6 Au 381 365 0.89      
7 Au 138 132 0.05      
8 Bg 573 549 0.00      
9 Bu 1295 1240 276.28      
10 Bu 900 862 183.64      
11 Bu 432 414 1.99      
12 Bu 176 169 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 4164.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 3988.6 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 HSEh1PBE/6-31G(2df,p)
ABC
0.14422 0.05100 0.03768

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.071 0.661 0.000
C2 0.071 -0.661 0.000
F3 -1.252 1.232 0.000
F4 1.252 -1.232 0.000
Cl5 1.252 1.732 0.000
Cl6 -1.252 -1.732 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33031.31172.30991.70262.6693
C21.33032.30991.31172.66931.7026
F31.31172.30993.51322.55412.9642
F42.30991.31173.51322.96422.5541
Cl51.70262.66932.55412.96424.2752
Cl62.66931.70262.96422.55414.2752

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 121.927 C1 C2 Cl6 122.836
C2 C1 F3 121.927 C2 C1 Cl5 122.836
F3 C1 Cl5 115.238 F4 C2 Cl6 115.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.127      
2 C 0.127      
3 F -0.055      
4 F -0.055      
5 Cl -0.072      
6 Cl -0.072      


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 -44.861 1.627 0.000
y 1.627 -44.768 0.000
z 0.000 0.000 -44.580
Traceless
 xyz
x -0.187 1.627 0.000
y 1.627 -0.047 0.000
z 0.000 0.000 0.234
Polar
3z2-r20.469
x2-y2-0.093
xy1.627
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.342 2.156 0.000
y 2.156 9.495 0.000
z 0.000 0.000 4.103


<r2> (average value of r2) Å2
<r2> 244.154
(<r2>)1/2 15.625