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All results from a given calculation for CH2ClCHO (chloroacetaldehyde)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description

Conformer 1 (C1 bisecting, trans)

Jump to S1C2
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.073246
HF Energy-0.073246
Nuclear repulsion energy83.835778
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
1.11804 0.09133 0.08590

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.022 0.670 0.035
C2 1.126 -0.356 0.047
Cl3 -1.541 -0.160 -0.020
O4 2.291 -0.051 -0.051
H5 0.060 1.302 0.941
H6 0.099 1.349 -0.834
H7 0.823 -1.411 0.152

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7
C11.50801.77062.38281.10541.10522.2328
C21.50802.67561.20802.16482.17671.1026
Cl31.77062.67563.83402.37192.37252.6797
O42.38281.20803.83402.79142.71622.0119
H51.10542.16482.37192.79141.77622.9263
H61.10522.17672.37252.71621.77623.0184
H72.23281.10262.67972.01192.92633.0184

picture of chloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.254 C1 C2 H7 116.731
C2 C1 Cl3 109.131 C2 C1 H5 110.922
C2 C1 H6 111.892 Cl3 C1 H5 108.918
Cl3 C1 H6 108.974 O4 C2 H7 121.015
H5 C1 H6 106.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS eclipsed, cis)

Jump to S1C1
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.071698
HF Energy-0.071698
Nuclear repulsion energy84.907261
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
0.49651 0.13334 0.10724

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.935 0.000
C2 1.354 0.281 0.000
Cl3 -1.315 -0.243 0.000
O4 1.527 -0.913 0.000
H5 -0.099 1.585 0.889
H6 -0.099 1.585 -0.889
H7 2.215 0.971 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7
C11.50391.76552.39731.10571.10572.2152
C21.50392.72021.20672.14542.14541.1029
Cl31.76552.72022.91952.36872.36873.7327
O42.39731.20672.91953.11043.11042.0057
H51.10572.14542.36873.11041.77792.5539
H61.10572.14542.36873.11041.77792.5539
H72.21521.10293.73272.00572.55392.5539

picture of chloroacetaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.990 C1 C2 H7 115.521
C2 C1 Cl3 112.364 C2 C1 H5 109.652
C2 C1 H6 109.652 Cl3 C1 H5 109.000
Cl3 C1 H6 109.000 O4 C2 H7 120.489
H5 C1 H6 107.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability