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

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS H in 1A'
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-228.098834
Energy at 298.15K-228.103507
HF Energy-227.651698
Nuclear repulsion energy116.948802
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 CCD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3630 3483 25.30      
2 A' 3037 2914 69.28      
3 A' 3011 2889 10.35      
4 A' 1726 1657 46.21      
5 A' 1558 1494 7.84      
6 A' 1457 1398 60.15      
7 A' 1438 1379 10.97      
8 A' 1320 1266 66.35      
9 A' 1079 1035 34.94      
10 A' 878 842 51.49      
11 A' 747 716 14.29      
12 A' 304 292 20.50      
13 A" 3046 2922 27.11      
14 A" 1241 1191 6.03      
15 A" 1135 1089 0.64      
16 A" 781 750 0.01      
17 A" 325 312 129.65      
18 A" 95 91 41.92      

Unscaled Zero Point Vibrational Energy (zpe) 13403.0 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 12860.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G
ABC
0.58126 0.21105 0.15952

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.955 0.000
C2 0.956 -0.230 0.000
O3 -1.388 0.527 0.000
O4 0.546 -1.408 0.000
H5 -1.425 -0.453 0.000
H6 0.194 1.578 0.891
H7 0.194 1.578 -0.891
H8 2.037 -0.005 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.52271.45262.42492.00331.10461.10462.2516
C21.52272.46351.24662.39122.15522.15521.1037
O31.45262.46352.73610.98122.09782.09783.4659
O42.42491.24662.73612.19013.13563.13562.0463
H52.00332.39120.98122.19012.74582.74583.4902
H61.10462.15522.09783.13562.74581.78292.5878
H71.10462.15522.09783.13562.74581.78292.5878
H82.25161.10373.46592.04633.49022.58782.5878

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 121.926 C1 C2 H8 117.131
C1 O3 H5 109.265 C2 C1 O3 111.767
C2 C1 H6 109.195 C2 C1 H7 109.195
O3 C1 H6 109.490 O3 C1 H7 109.490
O4 C2 H8 120.943 H6 C1 H7 107.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability