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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-1195.691830
Energy at 298.15K-1195.692244
HF Energy-1195.691830
Nuclear repulsion energy348.035750
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/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 1708 1691 0.00      
2 Ag 1144 1132 0.00      
3 Ag 623 616 0.00      
4 Ag 412 408 0.00      
5 Ag 283 280 0.00      
6 Au 351 348 0.14      
7 Au 129 127 0.24      
8 Bg 516 511 0.00      
9 Bu 1189 1177 323.30      
10 Bu 848 839 210.70      
11 Bu 417 412 1.54      
12 Bu 172 170 2.30      

Unscaled Zero Point Vibrational Energy (zpe) 3895.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 3855.2 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/6-311G*
ABC
0.14026 0.04980 0.03675

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 0.668 0.000
C2 0.067 -0.668 0.000
F3 -1.268 1.253 0.000
F4 1.268 -1.253 0.000
Cl5 1.268 1.752 0.000
Cl6 -1.268 -1.752 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34281.33612.33981.71962.7015
C21.34282.33981.33612.70151.7196
F31.33612.33983.56602.58463.0053
F42.33981.33613.56603.00532.5846
Cl51.71962.70152.58463.00534.3252
Cl62.70151.71963.00532.58464.3252

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 121.721 C1 C2 Cl6 123.335
C2 C1 F3 121.721 C2 C1 Cl5 123.335
F3 C1 Cl5 114.944 F4 C2 Cl6 114.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 C 0.107      
3 F -0.132      
4 F -0.132      
5 Cl 0.025      
6 Cl 0.025      


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 -45.743 1.966 0.000
y 1.966 -46.072 0.000
z 0.000 0.000 -46.002
Traceless
 xyz
x 0.294 1.966 0.000
y 1.966 -0.199 0.000
z 0.000 0.000 -0.095
Polar
3z2-r2-0.190
x2-y20.329
xy1.966
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.359 2.627 0.000
y 2.627 9.187 0.000
z 0.000 0.000 2.975


<r2> (average value of r2) Å2
<r2> 250.338
(<r2>)1/2 15.822