Stabilization of Iron Clusters by Polyolato Ligands and Calcium Ions: An Fe 14  Oxocluster from Aqueous Alkaline Solution | Zendy

Burger Joachim | Zendy; Klüfers Peter | Zendy

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Stabilization of Iron Clusters by Polyolato Ligands and Calcium Ions: An Fe 14 Oxocluster from Aqueous Alkaline Solution

Author(s) -

Burger Joachim,

Klüfers Peter

Publication year - 1997

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199707761

Subject(s) - deprotonation , metastability , chemistry , crystallography , aqueous solution , calcium , cluster (spacecraft) , inorganic chemistry , hematite , ion , yield (engineering) , mineralogy , materials science , metallurgy , organic chemistry , computer science , programming language

Calcium ions and organic ligands —in this case deprotonated erythritol—together are capable of reducing aggregation of oxoiron( III ) species to such an extent that well‐defined oxoclusters can be isolated. In the title cluster, an Fe 8 O 32 rutile core is extended by further iron centers to yield a hematite‐type microtwin (Fe 14 O 48 ; arrangement of iron centers depicted on the right), which may be related to metastable oxoiron( III ) phases in terms of structure and magnetism.

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