Inorganic-Organic Hybrid Materials Constructed from [(VO2)(HPO4)]∞ Helical Chains and [M(4,4′-bpy)2]2+ (M=Co, Ni) Fragments

Both left-handed and right-handed helical chains of [(VO2)(HPO4)]∞, which are linked by [M(4,4′-bpy)2] to form three-dimensional framework structures (see picture), are present in the structures of two novel inorganic–organic hybrid materials, [M(4,4′-bpy)2(VO2)2(HPO4)4]. These were prepared from hydrothermal systems and characterized by single-crystal X-ray diffraction. M=Co or Ni; bpy=bipyridine.