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

using model chemistry: CCD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-228.525371
Energy at 298.15K-228.530148
HF Energy-227.829629
Nuclear repulsion energy119.601921
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/6-311G**
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' 3871 3697 57.61      
2 A' 3039 2902 54.60      
3 A' 3001 2866 62.00      
4 A' 1865 1781 110.39      
5 A' 1525 1456 9.08      
6 A' 1492 1425 63.53      
7 A' 1429 1365 19.58      
8 A' 1337 1277 38.20      
9 A' 1173 1121 68.51      
10 A' 893 853 41.91      
11 A' 778 743 14.98      
12 A' 302 289 21.82      
13 A" 3067 2930 30.11      
14 A" 1275 1218 1.56      
15 A" 1136 1085 0.86      
16 A" 751 718 0.37      
17 A" 353 338 83.69      
18 A" 117 111 19.72      

Unscaled Zero Point Vibrational Energy (zpe) 13702.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 13087.0 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/6-311G**
ABC
0.61745 0.21808 0.16619

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.937 0.000
C2 0.927 -0.262 0.000
O3 -1.346 0.555 0.000
O4 0.506 -1.390 0.000
H5 -1.336 -0.406 0.000
H6 0.242 1.544 0.886
H7 0.242 1.544 -0.886
H8 2.013 -0.046 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51531.39962.38151.89481.10061.10062.2401
C21.51532.41571.20432.26792.12462.12461.1070
O31.39962.41572.68620.96132.06992.06993.4127
O42.38151.20432.68622.08873.07603.07602.0188
H51.89482.26790.96132.08872.66032.66033.3684
H61.10062.12462.06993.07602.66031.77162.5396
H71.10062.12462.06993.07602.66031.77162.5396
H82.24011.10703.41272.01883.36842.53962.5396

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 121.834 C1 C2 H8 116.492
C1 O3 H5 105.232 C2 C1 O3 111.877
C2 C1 H6 107.566 C2 C1 H7 107.566
O3 C1 H6 111.206 O3 C1 H7 111.206
O4 C2 H8 121.674 H6 C1 H7 107.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability