The chromium(V) complex anion, (2-hydroxy-2-ethylbutyrato) oxochromate(V), abbreviated as EHBA–CrV, C12O7H20Cr. The central Cr atom is surrounded by five O atoms (red). C atoms are shown as small black spheres. Large spheres represent H atoms. The close H atoms of the solute within a spherical R1 (dotted circle) are shown in violet.