Figure 1
Six-membered B3O3 rings of β-HBO2 (left) and of γ-HBO2 (right). Displacement ellipsoids correspond to the 90% probability level. H atoms are represented as spheres of arbitrary radii (ORTEP-3; Farrugia, 1997). [Symmetry codes: (i) y, z, x; (ii) z, x, y; (iii) −x + , −z + , y − .] |