Abstract:
:Porous coordination polymers are well known for their easily tailored framework structures and corresponding properties. Although systematic modulations of pore sizes of binary prototypes have gained great success, simultaneous adjustment of both pore size and shape of ternary prototypes remains unexplored, owing to the difficulty in controlling the self-assembly of multiple molecular building blocks. Here we show that simple geometry analysis can be used to estimate the influence of the linker lengths and length ratios on the synthesis/construction difficulties and framework stabilities of a highly symmetric, ternary prototype composed of a typical trinuclear metal cluster and two types of bridging carboxylate ligands. As predicted, systematic syntheses with 5×5 ligand combinations produced 13 highly porous isoreticular frameworks, which show not only systematic adjustment of pore volumes (0.49-2.04 cm(3) g(-1)) and sizes (7.8-13.0 Å; 5.2-12.0 Å; 7.4-17.4 Å), but also anisotropic modulation of the pore shapes.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Zhang YB,Zhou HL,Lin RB,Zhang C,Lin JB,Zhang JP,Chen XMdoi
10.1038/ncomms1654subject
Has Abstractpub_date
2012-01-24 00:00:00pages
642issn
2041-1723pii
ncomms1654journal_volume
3pub_type
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