Crystal structure of aqua(2,2′-bis(1H-imidazolyl)ether)-(5- hydroxyisophthalato)nickel(II), Ni(H2O)(C10H14N4O)(C8H4O5)

Xia, Dao-Cheng; Han, Qiuping; Han, Shuang; Cao, Xin-Lu; Zhu, Yun

doi:10.1524/ncrs.2011.0091

Cited by 2 publications

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“…61 There a number of homoleptic 5-hip MOFs, 29a-d but most contain a secondary ligand. [51][52][53][54][55] The hydroxyl group of 5-hip also allows for alkylation or phenylation to occur at that site to add additional coordinating or chelating groups to increase the range of structures possible. [62][63][64][65] There are relatively few 5-hip MOFs where both carboxylates and hydroxyl groups coordinate to build a 3-D network 39,47,[49][50][54][55] …”

Section: Scheme 3 Additives and Their Outcomesmentioning

confidence: 99%

Additive Effects in the Formation of Fluorescent Zinc Metal–Organic Frameworks with 5-Hydroxyisophthalate

Hill

El-Hankari

Chiacchia

et al. 2015

Crystal Growth & Design

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Three new metal-organic frameworks (MOFs) are formed from the reaction of zinc with 5-hydroxyisophthalic acid (H 3 -5-hip) with a range of additives in dimethylformamide (DMF). The additives include water, pyridine, and [Me n NH 4−n ]Cl (n = 0−4) and, through hydrogen bonding, have a marked effect on the formation and phase of any resultant MOF, often in a narrow range of sub-stoichiometric concentrations. The three MOFs, [Me 2 NH 2 ][Zn 2 (5-hip)(H-5-hip)(H 2 O)].3.25DMF (1), α-[Me 2 NH 2 ] 2 [Zn 2 (5-hip) 2 ]·2DMF (2) and [Me 2 NH 2 ][Me 4 N] 2 [Zn 4 (5-hip) 2 (H-5-hip 2.5 )]·3DMF (3) have solvent-accessible pores and the flexibility of the MOFs allows relaxation from a porous state to minimise the void space on desolvation. Topological analysis of the frameworks reveals two previously unrecorded MOF topologies. Compounds 2 and 3 are fluorescent while this property is absent in compound 1. We also present a revised structure for the closely-related β-[Me 2 NH 2 ] 2 [Zn 2 (5-hip) 2 ]·2DMF (4).

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