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

using model chemistry: B2PLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-1189.952260
Energy at 298.15K-1189.952815
HF Energy-1189.723948
Nuclear repulsion energy347.734185
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 B2PLYP/3-21G*
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 1779 1779 0.00      
2 Ag 1210 1210 0.00      
3 Ag 634 634 0.00      
4 Ag 424 424 0.00      
5 Ag 289 289 0.00      
6 Au 372 372 1.66      
7 Au 142 142 0.27      
8 Bg 608 608 0.00      
9 Bu 1251 1251 176.99      
10 Bu 866 866 166.10      
11 Bu 411 411 1.03      
12 Bu 176 176 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 4080.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4080.3 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 B2PLYP/3-21G*
ABC
0.13603 0.05077 0.03697

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 0.661 0.000
C2 0.067 -0.661 0.000
F3 -1.290 1.256 0.000
F4 1.290 -1.256 0.000
Cl5 1.290 1.716 0.000
Cl6 -1.290 -1.716 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32791.35992.34831.71882.6723
C21.32792.34831.35992.67231.7188
F31.35992.34833.60072.61992.9719
F42.34831.35993.60072.97192.6199
Cl51.71882.67232.61992.97194.2928
Cl62.67231.71882.97192.61994.2928

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 121.778 C1 C2 Cl6 122.071
C2 C1 F3 121.778 C2 C1 Cl5 122.071
F3 C1 Cl5 116.151 F4 C2 Cl6 116.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.155      
2 C 0.155      
3 F -0.248      
4 F -0.248      
5 Cl 0.094      
6 Cl 0.094      


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 -46.224 2.342 0.000
y 2.342 -46.209 0.000
z 0.000 0.000 -45.526
Traceless
 xyz
x -0.356 2.342 0.000
y 2.342 -0.334 0.000
z 0.000 0.000 0.691
Polar
3z2-r21.381
x2-y2-0.015
xy2.342
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.424 2.092 0.000
y 2.092 7.986 0.000
z 0.000 0.000 2.381


<r2> (average value of r2) Å2
<r2> 248.990
(<r2>)1/2 15.779