A Breathing Hybrid Organic-Inorganic Solid with Very Large Pores and High Magnetic Characteristics

A Breathing Hybrid Organic-Inorganic Solid with Very Large Pores and High Magnetic Characteristics

Breathtaking are the highly magnetic and porous vanadocarboxylates (TN=95 K) MIL‐47as (left) and evacuated MIL‐47 (right) that exhibit three‐dimensional large‐pore structures built up from infinite chains of corner‐sharing VIIIO4(OH)2 (MIL‐47as) and VIVO6 (MIL‐47) octahedra linked by rigid terephtha...

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Veröffentlicht in:Angewandte Chemie International Edition 2002-01, Vol.41 (2), p.281-284
Hauptverfasser: Barthelet, Karin, Marrot, Jérôme, Riou, Didier, Férey, Gérard
Format: Artikel
Sprache:eng
Schlagworte:
Anions
Breathing
carboxylate ligands
Evacuation
magnetic properties
microporous materials
organic-inorganic hybrid composites
Porosity
Terephthalate
Three dimensional
vanadium
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Zusammenfassung:Breathtaking are the highly magnetic and porous vanadocarboxylates (TN=95 K) MIL‐47as (left) and evacuated MIL‐47 (right) that exhibit three‐dimensional large‐pore structures built up from infinite chains of corner‐sharing VIIIO4(OH)2 (MIL‐47as) and VIVO6 (MIL‐47) octahedra linked by rigid terephthalate anions. The reversible adsorption–desorption corresponds to a breathing of the structure. The high TN value results from the combination of magnetic chains with the presence of the π electrons of the terephthalate.
ISSN:1433-7851
1521-3773
DOI:10.1002/1521-3773(20020118)41:2<281::AID-ANIE281>3.0.CO;2-Y