Synthesis and Characterization of M(II)(bqb) (M Co Ni Cu) N(n-Bu)4 Co(III)(bqb)(CN)2 and N(n-Bu)4 Co(III)(bqb)(N3)2 Containing Deprotonated N N -bis(2-quinolinecarboxamide)-1 2-benzene (bqb) -x-ray crystal structures of n(n-bu)4 colll(bqb)(n3)2