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All results from a given calculation for CHOCOOH (oxo acetic acid)

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-302.596142
Energy at 298.15K-302.599364
HF Energy-301.599871
Nuclear repulsion energy163.888094
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-pVTZ
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' 3794 3543 108.78      
2 A' 3080 2876 29.80      
3 A' 1930 1802 188.38      
4 A' 1849 1726 110.22      
5 A' 1438 1342 334.06      
6 A' 1382 1290 22.42      
7 A' 1266 1182 9.22      
8 A' 916 856 50.66      
9 A' 704 658 17.57      
10 A' 522 487 6.05      
11 A' 290 271 33.56      
12 A" 1042 973 3.69      
13 A" 675 630 67.77      
14 A" 599 559 44.94      
15 A" 175 163 26.73      

Unscaled Zero Point Vibrational Energy (zpe) 9830.3 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9178.5 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-pVTZ
ABC
0.36967 0.15466 0.10904

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.744 -0.754 0.000
C2 0.000 0.580 0.000
O3 -0.144 -1.796 0.000
O4 -0.582 1.621 0.000
O5 1.324 0.452 0.000
H6 -1.837 -0.678 0.000
H7 1.518 -0.495 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.52721.20172.38132.39391.09582.2767
C21.52722.37981.19331.33012.22651.8595
O31.20172.37983.44522.68492.02812.1112
O42.38131.19333.44522.23602.62022.9810
O52.39391.33012.68492.23603.35710.9662
H61.09582.22652.02812.62023.35713.3601
H72.27671.85952.11122.98100.96623.3601

picture of oxo acetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.676 C1 C2 O5 113.643
C2 C1 O3 120.935 C2 C1 H6 115.181
C2 O5 H7 107.085 O3 C1 H6 123.884
O4 C2 O5 124.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability