Synthesis and characterization of metal-centered, six-membered, mixed-valent, heterometallic wheels of iron, manganese, and indium

Rolf W. Saalfrank; Raju Prakash; Harald Maid; Frank Hampel; Frank W. Heinemann; Alfred X. Trautwein; Lars H. Böttger

doi:10.1002/chem.200501497

Synthesis and characterization of metal-centered, six-membered, mixed-valent, heterometallic wheels of iron, manganese, and indium

Rolf W. Saalfrank^*, Raju Prakash, Harald Maid, Frank Hampel, Frank W. Heinemann, Alfred X. Trautwein, Lars H. Böttger

^*Corresponding author for this work

Institute of Physics

University of Erlangen–Nuremberg

50 Citations (Scopus)

Abstract

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 (H₂L¹), cesium carbonate, [PPh₄]₂[MnCl₄], and FeCl₃ or InCl₃. All three complexes were characterized by the combination of elemental analysis, FAB mass spectroscopy, X-ray diffrac tion 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.

Original language	English
Journal	Chemistry - A European Journal
Volume	12
Issue number	9
Pages (from-to)	2428-2433
Number of pages	6
ISSN	0947-6539
DOIs	https://doi.org/10.1002/chem.200501497
Publication status	Published - 08.03.2006

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title = "Synthesis and characterization of metal-centered, six-membered, mixed-valent, heterometallic wheels of iron, manganese, and indium",

abstract = "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 (H2L1), cesium carbonate, [PPh4]2[MnCl4], and FeCl3 or InCl3. All three complexes were characterized by the combination of elemental analysis, FAB mass spectroscopy, X-ray diffrac tion and cyclic voltammetry. and in the case of 1 additionally by M{\"o}ssbauer spectroscopy. In 1, four MnII ions in the periphery are arranged in pairs alternating with one FeIII ion each, with an FeIII ion located in the center. In 2, three MnII ions alternate with three InIII ions, whereas in 3, four InIII ions are arranged in pairs and alternate with one MnII ion each. In 2 and 3 an Mn II ion is encapsulated in the center.",

author = "Saalfrank, {Rolf W.} and Raju Prakash and Harald Maid and Frank Hampel and Heinemann, {Frank W.} and Trautwein, {Alfred X.} and B{\"o}ttger, {Lars H.}",

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doi = "10.1002/chem.200501497",

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AU - Saalfrank, Rolf W.

AU - Prakash, Raju

AU - Maid, Harald

AU - Hampel, Frank

AU - Heinemann, Frank W.

AU - Trautwein, Alfred X.

AU - Böttger, Lars H.

PY - 2006/3/8

Y1 - 2006/3/8

N2 - 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 (H2L1), cesium carbonate, [PPh4]2[MnCl4], and FeCl3 or InCl3. All three complexes were characterized by the combination of elemental analysis, FAB mass spectroscopy, X-ray diffrac tion and cyclic voltammetry. and in the case of 1 additionally by Mössbauer spectroscopy. In 1, four MnII ions in the periphery are arranged in pairs alternating with one FeIII ion each, with an FeIII ion located in the center. In 2, three MnII ions alternate with three InIII ions, whereas in 3, four InIII ions are arranged in pairs and alternate with one MnII ion each. In 2 and 3 an Mn II ion is encapsulated in the center.

AB - 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 (H2L1), cesium carbonate, [PPh4]2[MnCl4], and FeCl3 or InCl3. All three complexes were characterized by the combination of elemental analysis, FAB mass spectroscopy, X-ray diffrac tion and cyclic voltammetry. and in the case of 1 additionally by Mössbauer spectroscopy. In 1, four MnII ions in the periphery are arranged in pairs alternating with one FeIII ion each, with an FeIII ion located in the center. In 2, three MnII ions alternate with three InIII ions, whereas in 3, four InIII ions are arranged in pairs and alternate with one MnII ion each. In 2 and 3 an Mn II ion is encapsulated in the center.

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JO - Chemistry - A European Journal

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Synthesis and characterization of metal-centered, six-membered, mixed-valent, heterometallic wheels of iron, manganese, and indium

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