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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: CCSD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-1196.197630
Energy at 298.15K 
HF Energy-1194.904827
Nuclear repulsion energy376.023287
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 CCSD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.13438 0.04923 0.03722

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.763
C2 0.000 0.000 0.763
H3 1.015 0.000 -1.155
H4 -1.015 0.000 1.155
F5 -0.671 -1.092 -1.206
F6 0.671 1.092 1.206
Cl7 -0.817 1.467 -1.346
Cl8 0.817 -1.467 1.346

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52521.08792.16971.35582.34891.77812.6960
C21.52522.16971.08792.34891.35582.69601.7781
H31.08792.16973.07502.00852.62422.35462.9070
H42.16971.08793.07502.62422.00852.90702.3546
F51.35582.34892.00852.62423.51922.56702.9782
F62.34891.35582.62422.00853.51922.97822.5670
Cl71.77812.69602.35462.90702.56702.97824.3051
Cl82.69601.77812.90702.35462.97822.56704.3051

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.160 C1 C2 F6 109.101
C1 C2 Cl8 109.169 C2 C1 H3 111.160
C2 C1 F5 109.101 C2 C1 Cl7 109.169
H3 C1 F5 110.071 H3 C1 Cl7 108.053
H4 C2 F6 110.071 H4 C2 Cl8 108.053
F5 C1 Cl7 109.255 F6 C2 Cl8 109.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability