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: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-1396.228359
Energy at 298.15K-1396.230395
HF Energy-1396.228359
Nuclear repulsion energy609.219013
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 B3LYPultrafine/aug-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 1249 1208 0.00      
2 Ag 1019 986 0.00      
3 Ag 698 676 0.00      
4 Ag 427 413 0.00      
5 Ag 354 343 0.00      
6 Ag 246 238 0.00      
7 Au 1176 1138 354.02      
8 Au 370 358 0.21      
9 Au 223 215 1.01      
10 Au 66 64 0.19      
11 Bg 1165 1128 0.00      
12 Bg 537 520 0.00      
13 Bg 317 307 0.00      
14 Bu 1125 1088 338.21      
15 Bu 815 789 397.47      
16 Bu 604 584 9.58      
17 Bu 426 412 0.10      
18 Bu 163 158 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 5490.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 5311.6 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.07335 0.03811 0.03421

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.237 0.748 0.000
C2 0.237 -0.748 0.000
Cl3 -2.013 0.836 0.000
Cl4 2.013 -0.836 0.000
F5 0.237 1.365 1.087
F6 0.237 1.365 -1.087
F7 -0.237 -1.365 1.087
F8 -0.237 -1.365 -1.087

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.56921.77842.75161.33611.33612.37572.3757
C21.56922.75161.77842.37572.37571.33611.3361
Cl31.77842.75164.35952.55352.55353.02983.0298
Cl42.75161.77844.35953.02983.02982.55352.5535
F51.33612.37572.55353.02982.17342.76983.5207
F61.33612.37572.55353.02982.17343.52072.7698
F72.37571.33613.02982.55352.76983.52072.1734
F82.37571.33613.02982.55353.52072.76982.1734

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 110.407 C1 C2 F7 109.450
C1 C2 F8 109.450 C2 C1 Cl3 110.407
C2 C1 F5 109.450 C2 C1 F6 109.450
Cl3 C1 F5 109.329 Cl3 C1 F6 109.329
Cl4 C2 F7 109.329 Cl4 C2 F8 109.329
F5 C1 F6 108.851 F7 C2 F8 108.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.894      
2 C 0.894      
3 Cl -0.182      
4 Cl -0.182      
5 F -0.356      
6 F -0.356      
7 F -0.356      
8 F -0.356      


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 -53.816 -0.950 0.000
y -0.950 -57.730 0.000
z 0.000 0.000 -58.069
Traceless
 xyz
x 4.083 -0.950 0.000
y -0.950 -1.788 0.000
z 0.000 0.000 -2.296
Polar
3z2-r2-4.592
x2-y23.914
xy-0.950
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.026 -0.849 0.000
y -0.849 7.845 0.000
z 0.000 0.000 7.471


<r2> (average value of r2) Å2
<r2> 315.752
(<r2>)1/2 17.769