Control of molecular architecture by the degree of deprotonation: self-assembled di- and tetranuclear copper(ii) complexes of N,N′-bis(2-pyridylmethyl)pyrazine-2,3-dicarboxamide†
Abstract
In the absence of added base, a deep navy-blue dimeric copper complex [CuII(H2L)(MeCN)]2(BF4)4
(1) of the non-deprotonated bis-terdentate diamide