The first organically templated gallium phosphite-oxalates: Synthesis, structures, and characterizationseer

Three new gallium phosphite-oxalates formula as (C ₆N ₂H ₁₄) ₂[Ga ₂(OH) ₂(C ₂O ₄) ₂(HPO ₃) ₂]·2H ₂O ( 1), (C ₆N ₂H ₁₈) _0.5[Ga(OH)(C ₂O ₄) _0.5(HPO ₃)] ( 2), and Ga(C ₂O ₄) _0.5(C ₃N ₂H ₄)(HPO ₃) ( 3) have been hydrothermally synthesized by controlling the pH value of the reaction system. Compound 1 possesses a one-dimensional ladder-like chain structure, in which the C ₂O ₄^2- anion is coordinated to one Ga center and acts as mono-bidentate ligand. In 2 and 3, the C ₂O ₄^2- anions serve as bis-bidentates ligands bridging between two Ga atoms to form the two-dimensional layered structures. Furthermore, compound 3 displays a neutral layered network, which is decorated by the directly coordinated organic ligand.