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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-228.397796
Energy at 298.15K-228.402670
HF Energy-227.760913
Nuclear repulsion energy119.518934
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 MP3=FULL/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' 3750 3518 59.65      
2 A' 3070 2880 73.10      
3 A' 3052 2864 21.59      
4 A' 1886 1770 101.27      
5 A' 1559 1462 6.85      
6 A' 1510 1417 81.78      
7 A' 1451 1362 17.80      
8 A' 1354 1271 55.40      
9 A' 1178 1105 68.51      
10 A' 912 856 43.24      
11 A' 783 734 14.44      
12 A' 318 298 21.74      
13 A" 3093 2902 26.95      
14 A" 1282 1203 3.19      
15 A" 1153 1082 0.43      
16 A" 766 719 0.17      
17 A" 377 354 103.76      
18 A" 154 144 13.75      

Unscaled Zero Point Vibrational Energy (zpe) 13823.2 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 12970.4 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 MP3=FULL/6-31G*
ABC
0.61125 0.21997 0.16679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.931 0.000
C2 0.932 -0.271 0.000
O3 -1.356 0.581 0.000
O4 0.517 -1.406 0.000
H5 -1.374 -0.388 0.000
H6 0.236 1.542 0.884
H7 0.236 1.542 -0.884
H8 2.019 -0.056 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.52191.40072.39401.90471.09941.09942.2475
C21.52192.44211.20812.30902.13392.13391.1078
O31.40072.44212.73100.96912.05852.05853.4347
O42.39401.20812.73102.14773.09023.09022.0193
H51.90472.30900.96912.14772.66352.66353.4089
H61.09942.13392.05853.09022.66351.76712.5522
H71.09942.13392.05853.09022.66351.76712.5522
H82.24751.10783.43472.01933.40892.55222.5522

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 122.131 C1 C2 H8 116.558
C1 O3 H5 105.524 C2 C1 O3 113.290
C2 C1 H6 107.906 C2 C1 H7 107.906
O3 C1 H6 110.267 O3 C1 H7 110.267
O4 C2 H8 121.310 H6 C1 H7 106.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability