An Antiferromagnetically Coupled Heterometal Cu6Fe Wheel

An Antiferromagnetically Coupled Heterometal Cu6Fe Wheel

A heterometal Cu6Fe wheel molecule, [CuII6FeIII(HL)6(OH)2(OCH3)4](NO3)3·6H2O (1·6H2O) (H2L = 1-(2-pyridine)-3-(2-pyrrole)acetylacetone) was synthesized by the one-pot reaction of H2L with copper and iron sources. X-ray structural analysis reveals that the heptanuclear wheel cluster consists of a cen...

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Veröffentlicht in:Chemistry letters 2017, Vol.46 (8), p.1197-1199
Hauptverfasser: Saiki, Ryo, Yoshida, Norifumi, Hoshino, Norihisa, Newton, Graham N, Shiga, Takuya, Oshio, Hiroki
Format: Artikel
Sprache:eng
Schlagworte:
Acetylacetone
Antiferromagnetism
Coordination Asymmetry
Copper
Cryomagnetic properties
Iron
Structural analysis
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Zusammenfassung:A heterometal Cu6Fe wheel molecule, [CuII6FeIII(HL)6(OH)2(OCH3)4](NO3)3·6H2O (1·6H2O) (H2L = 1-(2-pyridine)-3-(2-pyrrole)acetylacetone) was synthesized by the one-pot reaction of H2L with copper and iron sources. X-ray structural analysis reveals that the heptanuclear wheel cluster consists of a central Fe(III) ion surrounded by six Cu(II) ions, linked through methoxo- and hydroxo-bridges. Cryomagnetic studies indicate intramolecular antiferromagnetic interactions were operative.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.170365