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Synthesis and Characterization of Metal‐Centered, Six‐Membered, Mixed‐Valent, Heterometallic Wheels of Iron, Manganese, and Indium
Author(s) -
Saalfrank Rolf W.,
Prakash Raju,
Maid Harald,
Hampel Frank,
Heinemann Frank W.,
Trautwein Alfred X.,
Böttger Lars H.
Publication year - 2006
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.200501497
Subject(s) - manganese , indium , chemistry , ion , metal , inorganic chemistry , cyclic voltammetry , metal ions in aqueous solution , mössbauer spectroscopy , spectroscopy , crystallography , electrochemistry , electrode , organic chemistry , physics , quantum mechanics
Heptanuclear metal‐centered, six‐membered, mixed‐valent, heterometallic wheels 1 – 3 of iron, manganese, and indium were prepared in a one‐pot reaction from N ‐benzyldiethanolamine (H 2 L 1 ), cesium carbonate, [PPh 4 ] 2 [MnCl 4 ], and FeCl 3 or InCl 3 . All three complexes were characterized by the combination of elemental analysis, FAB mass spectroscopy, X‐ray diffraction and cyclic voltammetry. and in the case of 1 additionally by Mössbauer spectroscopy. In 1 , four Mn II ions in the periphery are arranged in pairs alternating with one Fe III ion each, with an Fe III ion located in the center. In 2 , three Mn II ions alternate with three In III ions, whereas in 3 , four In III ions are arranged in pairs and alternate with one Mn II ion each. In 2 and 3 an Mn II ion is encapsulated in the center.
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