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

using model chemistry: CCSD/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 CCSD/6-311G**
 hartrees
Energy at 0K-228.532404
Energy at 298.15K-228.537188
HF Energy-227.829180
Nuclear repulsion energy119.498276
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 CCSD/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' 3843 3843 57.10      
2 A' 3031 3031 57.76      
3 A' 2994 2994 62.63      
4 A' 1833 1833 113.45      
5 A' 1521 1521 9.28      
6 A' 1489 1489 66.25      
7 A' 1422 1422 18.88      
8 A' 1333 1333 36.71      
9 A' 1167 1167 66.45      
10 A' 889 889 42.43      
11 A' 775 775 14.18      
12 A' 302 302 22.06      
13 A" 3057 3057 31.15      
14 A" 1269 1269 1.64      
15 A" 1132 1132 0.77      
16 A" 748 748 0.42      
17 A" 362 362 83.76      
18 A" 120 120 17.27      

Unscaled Zero Point Vibrational Energy (zpe) 13641.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13641.9 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 CCSD/6-311G**
ABC
0.61504 0.21817 0.16607

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.938 0.000
C2 0.928 -0.260 0.000
O3 -1.347 0.553 0.000
O4 0.505 -1.392 0.000
H5 -1.331 -0.409 0.000
H6 0.242 1.545 0.886
H7 0.242 1.545 -0.886
H8 2.014 -0.045 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51571.40072.38411.89421.10101.10102.2414
C21.51572.41571.20802.26392.12492.12491.1072
O31.40072.41572.68540.96282.07202.07203.4137
O42.38411.20802.68542.08213.07893.07892.0225
H51.89422.26390.96282.08212.66082.66083.3649
H61.10102.12492.07203.07892.66081.77252.5408
H71.10102.12492.07203.07892.66081.77252.5408
H82.24141.10723.41372.02253.36492.54082.5408

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 121.750 C1 C2 H8 116.555
C1 O3 H5 105.021 C2 C1 O3 111.791
C2 C1 H6 107.537 C2 C1 H7 107.537
O3 C1 H6 111.268 O3 C1 H7 111.268
O4 C2 H8 121.695 H6 C1 H7 107.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability