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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-1195.745111
Energy at 298.15K-1195.745547
HF Energy-1195.745111
Nuclear repulsion energy348.682652
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 PBEPBE/cc-pVTZ
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 1701 1689 0.00      
2 Ag 1144 1136 0.00      
3 Ag 624 619 0.00      
4 Ag 413 410 0.00      
5 Ag 282 280 0.00      
6 Au 353 350 0.08      
7 Au 128 127 0.21      
8 Bg 520 517 0.00      
9 Bu 1189 1181 289.95      
10 Bu 852 846 186.04      
11 Bu 414 412 1.67      
12 Bu 172 171 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 3895.1 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 3868.3 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 PBEPBE/cc-pVTZ
ABC
0.14077 0.04999 0.03689

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

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 -1.266 1.251 0.000
F4 1.266 -1.251 0.000
Cl5 1.266 1.748 0.000
Cl6 -1.266 -1.748 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34131.33522.33511.71442.6977
C21.34132.33511.33522.69771.7144
F31.33522.33513.55972.58012.9993
F42.33511.33523.55972.99932.5801
Cl51.71442.69772.58012.99934.3167
Cl62.69771.71442.99932.58014.3167

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 121.481 C1 C2 Cl6 123.515
C2 C1 F3 121.481 C2 C1 Cl5 123.515
F3 C1 Cl5 115.004 F4 C2 Cl6 115.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.120      
2 C 0.120      
3 F -0.095      
4 F -0.095      
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 -45.278 2.102 0.000
y 2.102 -45.110 0.000
z 0.000 0.000 -45.299
Traceless
 xyz
x -0.074 2.102 0.000
y 2.102 0.178 0.000
z 0.000 0.000 -0.104
Polar
3z2-r2-0.208
x2-y2-0.168
xy2.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.004 2.363 0.000
y 2.363 10.001 0.000
z 0.000 0.000 4.225


<r2> (average value of r2) Å2
<r2> 249.060
(<r2>)1/2 15.782