return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (C1)

Jump to S1C2
Vibrational Frequencies calculated at CISD/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CISD/6-311+G(3df,2p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-1071.604252
Energy at 298.15K 
HF Energy-1070.818932
Nuclear repulsion energy269.103877
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 CISD/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CISD/6-311+G(3df,2p)
ABC
0.12662 0.09186 0.05639

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -0.027 0.510
C2 -0.735 -1.259 0.189
H3 0.216 0.043 1.581
Cl4 1.707 -0.286 -0.165
Cl5 -0.632 1.448 -0.056
O6 -1.803 -1.235 -0.312
H7 -0.239 -2.191 0.480

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 O6 H7
C11.52071.07971.76531.74022.39612.1893
C21.52072.13022.65242.72021.17981.0944
H31.07972.13022.31922.31823.04802.5313
Cl41.76532.65242.31922.91433.63882.7980
Cl51.74022.72022.31822.91432.93783.6987
O62.39611.17983.04803.63882.93781.9966
H72.18931.09442.53132.79803.69871.9966

picture of dichloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 124.586 C1 C2 H7 112.669
C2 C1 H3 108.820 C2 C1 Cl4 107.414
C2 C1 Cl5 112.891 H3 C1 Cl4 106.718
H3 C1 Cl5 108.298 Cl4 C1 Cl5 112.474
O6 C2 H7 122.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability