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

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1181.946919
Energy at 298.15K-1181.946964
HF Energy-1181.946919
Nuclear repulsion energy339.121191
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/STO-3G
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 1860 1643 0.00      
2 Ag 1308 1155 0.00      
3 Ag 657 580 0.00      
4 Ag 413 365 0.00      
5 Ag 263 233 0.00      
6 Au 354 313 1.75      
7 Au 130 115 1.49      
8 Bg 464 409 0.00      
9 Bu 1404 1240 141.08      
10 Bu 887 783 141.60      
11 Bu 403 356 2.33      
12 Bu 149 131 3.00      

Unscaled Zero Point Vibrational Energy (zpe) 4145.7 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 3661.1 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/STO-3G
ABC
0.13168 0.04770 0.03502

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.106 0.672 0.000
C2 0.106 -0.672 0.000
F3 -1.316 1.266 0.000
F4 1.316 -1.266 0.000
Cl5 1.316 1.784 0.000
Cl6 -1.316 -1.784 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.36091.34742.40371.80522.7377
C21.36092.40371.34742.73771.8052
F31.34742.40373.65162.68263.0493
F42.40371.34743.65163.04932.6826
Cl51.80522.73772.68263.04934.4334
Cl62.73771.80523.04932.68264.4334

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 125.120 C1 C2 Cl6 119.022
C2 C1 F3 125.120 C2 C1 Cl5 119.022
F3 C1 Cl5 115.858 F4 C2 Cl6 115.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.108      
2 C 0.108      
3 F -0.008      
4 F -0.008      
5 Cl -0.100      
6 Cl -0.100      


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 -43.466 -3.347 0.000
y -3.347 -44.615 0.000
z 0.000 0.000 -41.247
Traceless
 xyz
x -0.535 -3.347 0.000
y -3.347 -2.259 0.000
z 0.000 0.000 2.794
Polar
3z2-r25.588
x2-y21.149
xy-3.347
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.416 1.612 0.000
y 1.612 5.527 0.000
z 0.000 0.000 0.526


<r2> (average value of r2) Å2
<r2> 259.555
(<r2>)1/2 16.111