data_2012966 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2002 _journal_volume 58 _journal_page_first m523 _journal_page_last m528 _publ_section_title ; Low-dimensional compounds containing cyano groups. IV. Bis(2,2'-bipyridine-\k^2^N,N')(dicyanamido-\kN')copper(II) perchlorate and \m-dicyanamido-\k^2^N^1^:N^3^-bis[bis(2,2'-bipyridine-\k^2^N,N')copper(II)] tris(perchlorate) ethanol hemisolvate: complexes with unusual dicyanamide coordination ; loop_ _publ_author_name "Poto\