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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-1190.012868
Energy at 298.15K-1190.013480
HF Energy-1190.012868
Nuclear repulsion energy349.760328
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/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 1807 1735 0.00      
2 Ag 1230 1181 0.00      
3 Ag 646 620 0.00      
4 Ag 432 414 0.00      
5 Ag 292 280 0.00      
6 Au 379 364 0.95      
7 Au 143 137 0.35      
8 Bg 632 606 0.00      
9 Bu 1277 1226 191.02      
10 Bu 887 852 174.33      
11 Bu 417 400 0.92      
12 Bu 177 170 3.67      

Unscaled Zero Point Vibrational Energy (zpe) 4158.6 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 3991.9 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/3-21G*
ABC
0.13741 0.05140 0.03741

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 0.659 0.000
C2 0.067 -0.659 0.000
F3 -1.282 1.252 0.000
F4 1.282 -1.252 0.000
Cl5 1.282 1.705 0.000
Cl6 -1.282 -1.705 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32551.35152.33911.70642.6578
C21.32552.33911.35152.65781.7064
F31.35152.33913.58322.60342.9562
F42.33911.35153.58322.95622.6034
Cl51.70642.65782.60342.95624.2655
Cl62.65781.70642.95622.60344.2655

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 121.794 C1 C2 Cl6 121.969
C2 C1 F3 121.794 C2 C1 Cl5 121.969
F3 C1 Cl5 116.236 F4 C2 Cl6 116.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.121      
2 C 0.121      
3 F -0.241      
4 F -0.241      
5 Cl 0.119      
6 Cl 0.119      


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 -45.770 2.413 0.000
y 2.413 -45.754 0.000
z 0.000 0.000 -45.465
Traceless
 xyz
x -0.161 2.413 0.000
y 2.413 -0.136 0.000
z 0.000 0.000 0.297
Polar
3z2-r20.593
x2-y2-0.016
xy2.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.436 2.155 0.000
y 2.155 8.101 0.000
z 0.000 0.000 2.424


<r2> (average value of r2) Å2
<r2> 246.222
(<r2>)1/2 15.691