Inorganic Chemistry Communication
Inorganic Chemistry Communication
3 years ago

Inorganic anion-induced structural diversity and structural transformation in a metal-negative ligand system containing Cd(II) ion and naphthalene diimide ligand

Inorganic anion-induced structural diversity and structural transformation in a metal-negative ligand system containing Cd(II) ion and naphthalene diimide ligand
The coordination of a new 1,4,5,8-naphthalenediimides-based ligand N,N-di-(5-tetrazol)-1,4,5,8-naphthalenetetracarboxydiimide (H2dtNDI) with CdSO4 afforded mixtures containing {[Cd(dtNDI)(DMF)2.5]·DMAc} n (1) and {[Cd2(dtNDI)2(DMAc)2]·DMAc} n (2) as components. Whereas the coordination of H2dtNDI with CdX2 (x=ClO4 −, NO3 − and I−) afforded pure coordination polymer, namely, {[Cd(dtNDI)(H2O)2.5]·DMAc} n (3). All the compounds contain binuclear M2L2 ring as secondary building block (SBU). Compound 1 is a 1D chain composed of the binuclear SBUs and dimeric Cd(II) MBBs. Compound 2 exhibit a 2D network with (4·82) topology based on a binuclear SBUs. Compound 3 possess a five-fold interpenetrating 3D dia framework with tetrameric Cd(II) MBBs as nodes and binuclear SBUs as linkers. Although the inorganic anions are not appeared in the final frameworks of compounds 1–3, they play an important role in the structural formation during assembly process. In addition, the mixtures composed of compounds 1–2 can transfer to pure compounds 3 via solvent-mediated process.

Publisher URL: www.sciencedirect.com/science

DOI: S1387700317304136

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