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Issue 10, 2010
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Three-dimensional lanthanide–silver heterometallic coordination polymers: syntheses, structures and properties

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Abstract

Assembly reactions of 5-(isonicotinamido)isophthalic acid (H2INAIP) with Ln2O3 or Ln(NO3)3·6H2O together with NaOH in the presence of AgNO3 result in formation of two series of new 4d–4f heterometallic coordination polymers {[LnAg(INAIP)2]·3H2O}n [Ln = Nd (1), Sm (2), Eu (3), Gd (4), Tb (5)] and {[LnAg(INAIP)2(H2O)]·xH2O}n [Ln = La (6), Pr (7), Nd (8), x = 0; Dy (9), Er (10), x = 1]. The results of single-crystal X-ray diffraction analysis indicate that 1–5 are isomorphous and have 2-fold interpenetrated 3D structure with 3-nodal net Point (Schläfli) symbol for net: (4·62)4(44·66·815·103), while 6–10 are isostructural with similar non-interpenetrating 3D frameworks containing 2D lanthanide–carboxylate bilayers. The results indicate that the reaction conditions have great influence on the structure of the resulting complexes in this system. Furthermore, 3 and 5 show intense red and green fluorescent emissions, respectively, and the emission bands of Nd(III) were observed in the near IR region for 1. The magnetic properties of 1–5, 9 and 10 were investigated.

Graphical abstract: Three-dimensional lanthanide–silver heterometallic coordination polymers: syntheses, structures and properties

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Publication details

The article was received on 21 Apr 2010, accepted on 21 Apr 2010 and first published on 24 Jun 2010


Article type: Paper
DOI: 10.1039/C005207H
Citation: CrystEngComm, 2010,12, 3267-3276
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    Three-dimensional lanthanide–silver heterometallic coordination polymers: syntheses, structures and properties

    M. Chen, Z. Su, M. Chen, S. Chen, Y. Li and W. Sun, CrystEngComm, 2010, 12, 3267
    DOI: 10.1039/C005207H

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