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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-228.487323
Energy at 298.15K-228.492049
HF Energy-227.817084
Nuclear repulsion energy119.423239
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' 3824 3652 36.02      
2 A' 3026 2890 53.93      
3 A' 2990 2856 61.10      
4 A' 1863 1779 109.26      
5 A' 1531 1462 8.87      
6 A' 1494 1426 76.40      
7 A' 1428 1364 18.57      
8 A' 1337 1277 52.11      
9 A' 1173 1121 73.13      
10 A' 892 852 41.39      
11 A' 777 742 14.56      
12 A' 307 293 21.55      
13 A" 3054 2917 29.48      
14 A" 1274 1217 2.61      
15 A" 1137 1086 0.59      
16 A" 752 718 0.11      
17 A" 334 319 96.38      
18 A" 103 98 31.86      

Unscaled Zero Point Vibrational Energy (zpe) 13647.6 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 13034.8 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
0.61770 0.21691 0.16552

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 0.936 0.000
C2 0.928 -0.261 0.000
O3 -1.348 0.556 0.000
O4 0.513 -1.393 0.000
H5 -1.371 -0.405 0.000
H6 0.234 1.548 0.885
H7 0.234 1.548 -0.885
H8 2.016 -0.050 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51411.40012.38411.91791.10151.10152.2436
C21.51412.41791.20532.30352.13002.13001.1082
O31.40012.41792.69460.96202.06632.06633.4176
O42.38411.20532.69462.12713.08363.08362.0153
H51.91792.30350.96202.12712.67892.67893.4054
H61.10152.13002.06633.08362.67891.77032.5514
H71.10152.13002.06633.08362.67891.77032.5514
H82.24361.10823.41762.01533.40542.55142.5514

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 122.080 C1 C2 H8 116.799
C1 O3 H5 107.111 C2 C1 O3 112.070
C2 C1 H6 107.999 C2 C1 H7 107.999
O3 C1 H6 110.813 O3 C1 H7 110.813
O4 C2 H8 121.121 H6 C1 H7 106.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability