return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: M06-2X/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at M06-2X/6-31G
 hartrees
Energy at 0K-1395.562155
Energy at 298.15K-1395.564133
HF Energy-1395.562155
Nuclear repulsion energy602.344428
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 M06-2X/6-31G
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 1320 1320 0.00      
2 Ag 1080 1080 0.00      
3 Ag 685 685 0.00      
4 Ag 429 429 0.00      
5 Ag 353 353 0.00      
6 Ag 248 248 0.00      
7 Au 1266 1266 302.09      
8 Au 356 356 2.23      
9 Au 221 221 3.83      
10 Au 69 69 0.26      
11 Bg 1254 1254 0.00      
12 Bg 540 540 0.00      
13 Bg 310 310 0.00      
14 Bu 1176 1176 310.35      
15 Bu 833 833 344.23      
16 Bu 572 572 22.72      
17 Bu 419 419 5.70      
18 Bu 158 158 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 5642.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5642.8 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 M06-2X/6-31G
ABC
0.07158 0.03731 0.03382

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.242 0.725 0.000
C2 0.242 -0.725 0.000
Cl3 -2.051 0.811 0.000
Cl4 2.051 -0.811 0.000
F5 0.242 1.356 1.115
F6 0.242 1.356 -1.115
F7 -0.242 -1.356 1.115
F8 -0.242 -1.356 -1.115

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.52881.81032.75991.37021.37022.36122.3612
C21.52882.75991.81032.36122.36121.37021.3702
Cl31.81032.75994.41042.60762.60763.03483.0348
Cl42.75991.81034.41043.03483.03482.60762.6076
F51.37022.36122.60763.03482.23032.75583.5452
F61.37022.36122.60763.03482.23033.54522.7558
F72.36121.37023.03482.60762.75583.54522.2303
F82.36121.37023.03482.60763.54522.75582.2303

picture of 1,2-Dichloro-1,1,2,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 111.213 C1 C2 F7 108.954
C1 C2 F8 108.954 C2 C1 Cl3 111.213
C2 C1 F5 108.954 C2 C1 F6 108.954
Cl3 C1 F5 109.368 Cl3 C1 F6 109.368
Cl4 C2 F7 109.368 Cl4 C2 F8 109.368
F5 C1 F6 108.948 F7 C2 F8 108.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.330      
2 C 0.330      
3 Cl 0.190      
4 Cl 0.190      
5 F -0.260      
6 F -0.260      
7 F -0.260      
8 F -0.260      


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 -54.471 -1.110 0.000
y -1.110 -58.895 0.000
z 0.000 0.000 -59.217
Traceless
 xyz
x 4.585 -1.110 0.000
y -1.110 -2.051 0.000
z 0.000 0.000 -2.534
Polar
3z2-r2-5.068
x2-y24.424
xy-1.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.060 -0.610 0.000
y -0.610 4.059 0.000
z 0.000 0.000 4.273


<r2> (average value of r2) Å2
<r2> 321.397
(<r2>)1/2 17.928