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All results from a given calculation for CH2ClCH2Cl (Ethane, 1,2-dichloro-)

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2H)

Jump to S1C2
Vibrational Frequencies calculated at QCISD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-997.924645
Energy at 298.15K 
HF Energy-997.134171
Nuclear repulsion energy202.626208
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.33266 0.07493 0.06507

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.297 0.695 0.896
C2 -0.297 -0.695 0.896
Cl3 -0.297 1.680 -0.471
Cl4 0.297 -1.680 -0.471
H5 0.007 1.213 1.809
H6 1.381 0.660 0.823
H7 -0.007 -1.213 1.809
H8 -1.381 -0.660 0.823

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 H5 H6 H7 H8
C11.51161.78742.74061.08841.08662.13672.1580
C21.51162.74061.78742.13672.15801.08841.0866
Cl31.78742.74063.41222.34692.35213.69492.8853
Cl42.74061.78743.41223.69492.88532.34692.3521
H51.08842.13672.34693.69491.77862.42652.5311
H61.08662.15802.35212.88531.77862.53113.0609
H72.13671.08843.69492.34692.42652.53111.7786
H82.15801.08662.88532.35212.53113.06091.7786

picture of Ethane, 1,2-dichloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 112.078 C1 C2 H7 109.456
C1 C2 H8 111.267 C2 C1 Cl3 112.078
C2 C1 H5 109.456 C2 C1 H6 111.267
Cl3 C1 H5 106.865 Cl3 C1 H6 107.332
Cl4 C2 H7 106.865 Cl4 C2 H8 107.332
H5 C1 H6 109.719 H7 C2 H8 109.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability