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

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-228.441470
Energy at 298.15K-228.446252
HF Energy-227.781483
Nuclear repulsion energy119.121676
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/6-31+G**
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' 3854 3632 63.08      
2 A' 3088 2910 70.22      
3 A' 3067 2890 30.56      
4 A' 1849 1742 118.57      
5 A' 1545 1456 9.34      
6 A' 1482 1397 46.43      
7 A' 1441 1357 17.87      
8 A' 1321 1244 47.65      
9 A' 1162 1095 73.37      
10 A' 901 849 46.89      
11 A' 768 724 14.21      
12 A' 298 281 21.03      
13 A" 3121 2941 19.85      
14 A" 1275 1201 2.77      
15 A" 1143 1077 0.97      
16 A" 758 714 0.11      
17 A" 348 328 105.11      
18 A" 132 124 21.23      

Unscaled Zero Point Vibrational Energy (zpe) 13776.2 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 12981.3 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/6-31+G**
ABC
0.61279 0.21633 0.16479

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.936 0.000
C2 0.932 -0.251 0.000
O3 -1.354 0.551 0.000
O4 0.520 -1.396 0.000
H5 -1.377 -0.415 0.000
H6 0.225 1.546 0.882
H7 0.225 1.546 -0.882
H8 2.010 -0.033 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50971.40752.38931.92961.09591.09592.2317
C21.50972.42231.21622.31442.12342.12341.1002
O31.40752.42232.70200.96712.06442.06443.4142
O42.38931.21622.70202.13493.08543.08542.0193
H51.92962.31440.96712.13492.68212.68213.4084
H61.09592.12342.06443.08542.68211.76472.5413
H71.09592.12342.06443.08542.68211.76472.5413
H82.23171.10023.41422.01933.40842.54132.5413

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 122.091 C1 C2 H8 116.668
C1 O3 H5 107.246 C2 C1 O3 112.229
C2 C1 H6 108.114 C2 C1 H7 108.114
O3 C1 H6 110.486 O3 C1 H7 110.486
O4 C2 H8 121.240 H6 C1 H7 107.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability