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

using model chemistry: CCD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-228.446447
Energy at 298.15K-228.451332
HF Energy-227.785143
Nuclear repulsion energy119.243236
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/cc-pVDZ
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' 3810 3645 64.05      
2 A' 3033 2901 64.93      
3 A' 3001 2871 57.60      
4 A' 1866 1785 108.76      
5 A' 1505 1440 23.69      
6 A' 1484 1420 55.87      
7 A' 1414 1352 20.19      
8 A' 1332 1275 33.15      
9 A' 1171 1121 68.70      
10 A' 898 859 41.10      
11 A' 775 741 13.75      
12 A' 300 287 22.22      
13 A" 3063 2930 36.21      
14 A" 1264 1209 1.54      
15 A" 1126 1078 0.73      
16 A" 751 718 0.30      
17 A" 377 361 78.24      
18 A" 172 165 9.64      

Unscaled Zero Point Vibrational Energy (zpe) 13670.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 13078.3 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/cc-pVDZ
ABC
0.61133 0.21791 0.16569

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.940 0.000
C2 0.927 -0.261 0.000
O3 -1.347 0.554 0.000
O4 0.501 -1.395 0.000
H5 -1.326 -0.415 0.000
H6 0.249 1.556 0.890
H7 0.249 1.556 -0.890
H8 2.024 -0.046 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51781.40072.38801.89541.11071.11072.2510
C21.51782.41591.21082.25812.13422.13421.1172
O31.40072.41592.68590.96952.08382.08383.4232
O42.38801.21082.68592.07313.09243.09242.0339
H51.89542.25810.96952.07312.67522.67523.3694
H61.11072.13422.08383.09242.67521.77972.5507
H71.11072.13422.08383.09242.67521.77972.5507
H82.25101.11723.42322.03393.36942.55072.5507

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 121.732 C1 C2 H8 116.545
C1 O3 H5 104.735 C2 C1 O3 111.687
C2 C1 H6 107.568 C2 C1 H7 107.568
O3 C1 H6 111.629 O3 C1 H7 111.629
O4 C2 H8 121.724 H6 C1 H7 106.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability