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

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-1394.474807
Energy at 298.15K 
HF Energy-1392.691776
Nuclear repulsion energy612.946486
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(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.238 0.739 0.000
C2 0.238 -0.739 0.000
Cl3 -2.003 0.814 0.000
Cl4 2.003 -0.814 0.000
F5 0.238 1.353 1.085
F6 0.238 1.353 -1.085
F7 -0.238 -1.353 1.085
F8 -0.238 -1.353 -1.085

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55231.76632.72631.33421.33422.35602.3560
C21.55232.72631.76632.35602.35601.33421.3342
Cl31.76632.72634.32382.54712.54712.99772.9977
Cl42.72631.76634.32382.99772.99772.54712.5471
F51.33422.35602.54712.99772.16932.74703.5003
F61.33422.35602.54712.99772.16933.50032.7470
F72.35601.33422.99772.54712.74703.50032.1693
F82.35601.33422.99772.54713.50032.74702.1693

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 110.310 C1 C2 F7 109.180
C1 C2 F8 109.180 C2 C1 Cl3 110.310
C2 C1 F5 109.180 C2 C1 F6 109.180
Cl3 C1 F5 109.686 Cl3 C1 F6 109.686
Cl4 C2 F7 109.686 Cl4 C2 F8 109.686
F5 C1 F6 108.771 F7 C2 F8 108.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability