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

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-1393.998080
Energy at 298.15K-1394.000354
HF Energy-1392.604019
Nuclear repulsion energy613.635274
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 QCISD/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 1340 1283 0.00      
2 Ag 1122 1074 0.00      
3 Ag 720 689 0.00      
4 Ag 459 439 0.00      
5 Ag 368 352 0.00      
6 Ag 264 253 0.00      
7 Au 1258 1205 399.85      
8 Au 390 373 0.67      
9 Au 231 221 2.18      
10 Au 73 70 0.31      
11 Bg 1250 1197 0.00      
12 Bg 557 533 0.00      
13 Bg 338 324 0.00      
14 Bu 1186 1135 399.52      
15 Bu 883 846 370.35      
16 Bu 619 593 14.82      
17 Bu 451 432 2.51      
18 Bu 176 169 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 5842.1 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 5593.2 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 QCISD/6-311G*
ABC
0.07417 0.03875 0.03486

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.241 0.737 0.000
C2 0.241 -0.737 0.000
Cl3 -1.998 0.823 0.000
Cl4 1.998 -0.823 0.000
F5 0.241 1.349 1.085
F6 0.241 1.349 -1.085
F7 -0.241 -1.349 1.085
F8 -0.241 -1.349 -1.085

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.54981.75922.72781.33531.33532.35092.3509
C21.54982.72781.75922.35092.35091.33531.3353
Cl31.75922.72784.32082.54222.54222.99682.9968
Cl42.72781.75924.32082.99682.99682.54222.5422
F51.33532.35092.54222.99682.16932.74073.4953
F61.33532.35092.54222.99682.16933.49532.7407
F72.35091.33532.99682.54222.74073.49532.1693
F82.35091.33532.99682.54223.49532.74072.1693

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 110.892 C1 C2 F7 108.915
C1 C2 F8 108.915 C2 C1 Cl3 110.892
C2 C1 F5 108.915 C2 C1 F6 108.915
Cl3 C1 F5 109.718 Cl3 C1 F6 109.718
Cl4 C2 F7 109.718 Cl4 C2 F8 109.718
F5 C1 F6 108.642 F7 C2 F8 108.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability