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: PBEPBE/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1395.292597
Energy at 298.15K-1395.294461
HF Energy-1395.292597
Nuclear repulsion energy605.839236
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/6-311G**
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 1211 1200 0.00      
2 Ag 983 974 0.00      
3 Ag 678 672 0.00      
4 Ag 413 410 0.00      
5 Ag 343 340 0.00      
6 Ag 241 239 0.00      
7 Au 1154 1143 417.09      
8 Au 361 358 0.44      
9 Au 211 209 1.85      
10 Au 56 56 0.08      
11 Bg 1138 1128 0.00      
12 Bg 519 515 0.00      
13 Bg 310 307 0.00      
14 Bu 1095 1085 375.71      
15 Bu 787 780 448.92      
16 Bu 586 581 11.06      
17 Bu 414 410 0.52      
18 Bu 160 159 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 5330.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 5281.7 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/6-311G**
ABC
0.07245 0.03770 0.03391

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.238 0.747 0.000
C2 0.238 -0.747 0.000
Cl3 -2.027 0.832 0.000
Cl4 2.027 -0.832 0.000
F5 0.238 1.368 1.096
F6 0.238 1.368 -1.096
F7 -0.238 -1.368 1.096
F8 -0.238 -1.368 -1.096

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.56761.79142.76131.34681.34682.38202.3820
C21.56762.76131.79142.38202.38201.34681.3468
Cl31.79142.76134.38302.57292.57293.04053.0405
Cl42.76131.79144.38303.04053.04052.57292.5729
F51.34682.38202.57293.04052.19242.77703.5382
F61.34682.38202.57293.04052.19243.53822.7770
F72.38201.34683.04052.57292.77703.53822.1924
F82.38201.34683.04052.57293.53822.77702.1924

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 110.403 C1 C2 F7 109.403
C1 C2 F8 109.403 C2 C1 Cl3 110.403
C2 C1 F5 109.403 C2 C1 F6 109.403
Cl3 C1 F5 109.323 Cl3 C1 F6 109.323
Cl4 C2 F7 109.323 Cl4 C2 F8 109.323
F5 C1 F6 108.963 F7 C2 F8 108.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.262      
2 C 0.262      
3 Cl 0.004      
4 Cl 0.004      
5 F -0.133      
6 F -0.133      
7 F -0.133      
8 F -0.133      


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 -54.602 -0.227 0.000
y -0.227 -57.542 0.000
z 0.000 0.000 -57.565
Traceless
 xyz
x 2.951 -0.227 0.000
y -0.227 -1.458 0.000
z 0.000 0.000 -1.493
Polar
3z2-r2-2.987
x2-y22.939
xy-0.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.085 -0.881 0.000
y -0.881 5.286 0.000
z 0.000 0.000 4.860


<r2> (average value of r2) Å2
<r2> 318.662
(<r2>)1/2 17.851