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Issue 13, 2012
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Stabilization of O–Mn–O clusters (Mn5) in three dimensionally extended MOF structures: synthesis, structure and properties

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Abstract

Four new three-dimensional Mn2+ ion-containing compounds have been prepared by employing a hydrothermal reaction between Mn(CH3COO)2·4H2O, sulfodibenzoic acid (H2SDBA), imidazole, alkali hydroxide and water at 220 °C for 1 day. The compounds have Mn5 (14) clusters connected by SDBA, forming the three-dimensional structure. A time and temperature dependent study on the synthesis mixture revealed the formation of a one-dimensional compound, Mn(SDBA)(H2O)2, at lower temperatures (T ≤ 180 °C). The stabilization of the fcu related topology in the compounds is noteworthy. Magnetic studies indicate strong anti-ferromagnetic interactions between the Mn2+ ions within the clusters in the temperature range 75–300 K. The rare participation of a sulfonyl group in the bonding is important and can pave way for the design of new structures.

Graphical abstract: Stabilization of O–Mn–O clusters (Mn5) in three dimensionally extended MOF structures: synthesis, structure and properties

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Publication details

The article was received on 18 Oct 2011, accepted on 10 Apr 2012 and first published on 08 May 2012


Article type: Paper
DOI: 10.1039/C2CE06386G
Citation: CrystEngComm, 2012,14, 4323-4334
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    Stabilization of O–Mn–O clusters (Mn5) in three dimensionally extended MOF structures: synthesis, structure and properties

    S. Bhattacharya, K. V. Ramanujachary, S. E. Lofland, T. Magdaleno and S. Natarajan, CrystEngComm, 2012, 14, 4323
    DOI: 10.1039/C2CE06386G

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