Manganese Azides Based on Co-Ligands with a Flexible Tail: Diverse Structural and Magnetic Properties

Three azido‐bridged coordination polymers, namely [Mn(L1)(N3)2]n (1), [Mn(L2)(N3)2]n (2), and [Mn(L3)(N3)2]n (3) [L1 = N‐(2‐pyridylmethylene)methylamine, L2 = N‐(2‐pyridylmethylene)ethylamine, and L3 = N‐(2‐pyridylmethylene)octylamine], have been synthesized with Schiff‐base co‐ligands with flexible...

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Bibliographic Details
Published in:European Journal of Inorganic Chemistry 2006-01, Vol.2006 (2), p.407-415
Main Authors: Bai, Shi-Qiang, Gao, En-Qing, He, Zheng, Fang, Chen-Jie, Yue, Yan-Feng, Yan, Chun-Hua
Format: Article
Language:English
Subjects:
Azides
Coordination polymers
Ligand design
Magnetic properties
Manganese
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Summary:Three azido‐bridged coordination polymers, namely [Mn(L1)(N3)2]n (1), [Mn(L2)(N3)2]n (2), and [Mn(L3)(N3)2]n (3) [L1 = N‐(2‐pyridylmethylene)methylamine, L2 = N‐(2‐pyridylmethylene)ethylamine, and L3 = N‐(2‐pyridylmethylene)octylamine], have been synthesized with Schiff‐base co‐ligands with flexible tails, and their structures and magnetic properties characterized. Complex 1 is composed of one‐dimensional, uniform chains with double end‐on (EO) azido bridges, complex 2 consists of (6,3) net layers in which double EO azido‐bridged dimers are interlinked by single end‐to‐end (EE) azido bridges, and complex 3 contains chains of MnII ions bridged by alternating double EO and double EE azido bridges. Magnetically, 1 is a metamagnet built of ferromagnetic chains, 2 exhibits weak ferromagnetism due to spin canting, and 3 shows alternate ferro‐ and antiferromagnetic intrachain interactions. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.200500691