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

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-1392.997190
Energy at 298.15K-1392.998995
HF Energy-1392.206516
Nuclear repulsion energy592.029689
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/6-31G
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 1272 1226 0.00      
2 Ag 1040 1002 0.00      
3 Ag 645 622 0.00      
4 Ag 405 390 0.00      
5 Ag 342 329 0.00      
6 Ag 242 233 0.00      
7 Au 1191 1148 261.44      
8 Au 348 335 2.11      
9 Au 217 209 3.91      
10 Au 67 65 0.47      
11 Bg 1188 1145 0.00      
12 Bg 520 501 0.00      
13 Bg 305 294 0.00      
14 Bu 1103 1063 265.73      
15 Bu 796 767 309.12      
16 Bu 538 519 21.40      
17 Bu 402 387 5.45      
18 Bu 160 155 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 5391.1 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 5194.9 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/6-31G
ABC
0.06950 0.03589 0.03262

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.247 0.730 0.000
C2 0.247 -0.730 0.000
Cl3 -2.086 0.839 0.000
Cl4 2.086 -0.839 0.000
F5 0.247 1.377 1.134
F6 0.247 1.377 -1.134
F7 -0.247 -1.377 1.134
F8 -0.247 -1.377 -1.134

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.54151.84212.81201.39651.39652.39342.3934
C21.54152.81201.84212.39342.39341.39651.3965
Cl31.84212.81204.49722.64962.64963.09553.0955
Cl42.81201.84214.49723.09553.09552.64962.6496
F51.39652.39342.64963.09552.26842.79903.6028
F61.39652.39342.64963.09552.26843.60282.7990
F72.39341.39653.09552.64962.79903.60282.2684
F82.39341.39653.09552.64963.60282.79902.2684

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 112.106 C1 C2 F7 109.001
C1 C2 F8 109.001 C2 C1 Cl3 112.106
C2 C1 F5 109.001 C2 C1 F6 109.001
Cl3 C1 F5 109.023 Cl3 C1 F6 109.023
Cl4 C2 F7 109.023 Cl4 C2 F8 109.023
F5 C1 F6 108.626 F7 C2 F8 108.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability