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All results from a given calculation for CHOCH2OH (hydroxy acetaldehyde)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.132138
HF Energy-0.132138
Nuclear repulsion energy89.327290
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
0.65103 0.19891 0.15692

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 -0.900 0.000
C2 -0.938 0.289 0.000
O3 1.376 -0.643 0.000
O4 -0.561 1.438 0.000
H5 1.514 0.297 0.000
H6 -0.198 -1.524 0.893
H7 -0.198 -1.524 -0.893
H8 -2.015 0.055 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51481.40012.40481.92981.10661.10662.2297
C21.51482.49511.20972.45202.15212.15211.1015
O31.40012.49512.84300.94972.01232.01233.4620
O42.40481.20972.84302.36773.11483.11482.0067
H51.92982.45200.94972.36772.65322.65323.5366
H61.10662.15212.01233.11482.65321.78542.5674
H71.10662.15212.01233.11482.65321.78542.5674
H82.22971.10153.46202.00673.53662.56742.5674

picture of hydroxy acetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.539 C1 C2 H8 116.015
C1 O3 H5 108.915 C2 C1 O3 117.680
C2 C1 H6 109.375 C2 C1 H7 109.375
O3 C1 H6 106.202 O3 C1 H7 106.202
O4 C2 H8 120.446 H6 C1 H7 107.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability