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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-1195.745115
Energy at 298.15K-1195.745549
HF Energy-1195.745115
Nuclear repulsion energy348.673058
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/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 1700 1689 0.00      
2 Ag 1143 1135 0.00      
3 Ag 624 619 0.00      
4 Ag 413 410 0.00      
5 Ag 281 279 0.00      
6 Au 353 350 0.08      
7 Au 128 127 0.22      
8 Bg 520 517 0.00      
9 Bu 1188 1179 289.72      
10 Bu 852 846 185.84      
11 Bu 414 412 1.69      
12 Bu 171 170 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 3893.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 3866.6 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/cc-pVTZ
ABC
0.14081 0.04998 0.03689

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.668 0.000
C2 0.064 -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
C11.34131.33582.33451.71392.6984
C21.34132.33451.33582.69841.7139
F31.33582.33453.55942.58012.9995
F42.33451.33583.55942.99952.5801
Cl51.71392.69842.58012.99954.3172
Cl62.69841.71392.99952.58014.3172

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 121.395 C1 C2 Cl6 123.605
C2 C1 F3 121.395 C2 C1 Cl5 123.605
F3 C1 Cl5 115.000 F4 C2 Cl6 115.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.120      
2 C 0.120      
3 F -0.096      
4 F -0.096      
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 2.120 0.000
y 2.120 -45.099 0.000
z 0.000 0.000 -45.297
Traceless
 xyz
x -0.080 2.120 0.000
y 2.120 0.188 0.000
z 0.000 0.000 -0.108
Polar
3z2-r2-0.217
x2-y2-0.179
xy2.120
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.004 2.365 0.000
y 2.365 10.002 0.000
z 0.000 0.000 4.225


<r2> (average value of r2) Å2
<r2> 249.082
(<r2>)1/2 15.782