Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 15, Pages 2481-2485Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201402128
Keywords
Supramolecular chemistry; Metal-organic frameworks; Crystal engineering; Interpenetration
Categories
Funding
- Ministry of Science and Technology (MOST), China [2010CB933501, 2012CB821705]
- Chinese Academy of Sciences [KJCX2-YW-319, KJCX2-EW-H01]
- National Natural Science Foundation of China (NSFC)
- Natural Science Foundation of Fujian Province [2011HZ0001-1, 2012J06006, 2006L2005]
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Two new metal-organic frameworks (MOFs) with novel architectures, namely, [Co-2(NDC)(2)(H2MDP)(2)][(Co(NDC)(H2MDP)] (1) and [Co(NDC)(H2MDP)(0.5)] (2) were synthesized through a one-pot reaction. The metal to ligand ratio was found to influence the formation of the two compounds, and their pure phases were successfully obtained only by adjusting the molar ratios of Co/H2NDC/H2MDP to be 1:1:1 and 2:2:1, respectively [H2NDC = 1,4-naphthalenedicarboxylic acid, H2MDP = methylenebis(3,5-dimethylpyrazole)]. X-ray crystallographic analyses showed that 1 crystallizes as a racemic twin and features an interesting threefold 3D/3D hetero-interpenetrating diamondoid framework with left-handed and right-handed helical chains, whereas 2 displays a 3D twofold homo-interpenetrating pcu network constructed from paddle-wheel secondary building units and H2MDP pillars in a trans conformation. The one-pot synthesis of two or more MOFs with hetero-interpenetration and homo-interpenetration has been rarely reported.
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