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

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-1195.722256
Energy at 298.15K-1195.722677
HF Energy-1195.722256
Nuclear repulsion energy347.463302
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 PBEPBEultrafine/TZVP
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 1699 1680 0.00      
2 Ag 1134 1121 0.00      
3 Ag 622 615 0.00      
4 Ag 412 407 0.00      
5 Ag 284 281 0.00      
6 Au 347 343 0.06      
7 Au 126 125 0.38      
8 Bg 513 507 0.00      
9 Bu 1176 1163 328.40      
10 Bu 847 837 202.54      
11 Bu 417 413 1.76      
12 Bu 175 173 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 3876.4 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 3832.2 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 PBEPBEultrafine/TZVP
ABC
0.14044 0.04951 0.03660

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.065 0.668 0.000
C2 0.065 -0.668 0.000
F3 -1.269 1.251 0.000
F4 1.269 -1.251 0.000
Cl5 1.269 1.759 0.000
Cl6 -1.269 -1.759 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34151.33802.33671.72392.7091
C21.34152.33671.33802.70911.7239
F31.33802.33673.56392.58903.0098
F42.33671.33803.56393.00982.5890
Cl51.72392.70912.58903.00984.3385
Cl62.70911.72393.00982.58904.3385

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 121.401 C1 C2 Cl6 123.721
C2 C1 F3 121.401 C2 C1 Cl5 123.721
F3 C1 Cl5 114.878 F4 C2 Cl6 114.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.093      
2 C 0.093      
3 F -0.101      
4 F -0.101      
5 Cl 0.007      
6 Cl 0.007      


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 -45.899 2.632 0.000
y 2.632 -45.576 0.000
z 0.000 0.000 -45.625
Traceless
 xyz
x -0.298 2.632 0.000
y 2.632 0.186 0.000
z 0.000 0.000 0.112
Polar
3z2-r20.224
x2-y2-0.323
xy2.632
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.668 2.253 0.000
y 2.253 9.478 0.000
z 0.000 0.000 4.011


<r2> (average value of r2) Å2
<r2> 251.088
(<r2>)1/2 15.846