Design and Magnetism of New Bimetallic Assemblies with Fe(III)-CN-Ni(II) Linkages

Hisashi Okawa; Masaaki Ohba

Design and Magnetism of New Bimetallic Assemblies with Fe(III)-CN-Ni(II) Linkages

Hisashi Okawa, Masaaki Ohba

Inorganic and Analytical Chemistry

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Three types of bimetallic FeNi assemblies comprised of [Fe(CN)₆]^3- and [Ni(diamine)₂]²⁺ (diamine = en, pn) are described: (1) PPh_4- [Ni(pn)₂][Fe(CN)₆]·H₂O, (2) [Ni(en)₂]₃[Fe(CN)₆]₂·2H ₂O and (3) [Ni(pn)₂]₂[Fe(CN)₆]X·2H₂O (X = ClO₄^-, BF₄^-, PF₆^-). PPh₄[Ni(pn)₂]_- [Fe(CN)₆] forms a 1-D chain of the alternate array of trans-[Ni(pn)₂]²⁺ and [Fe(CN)₆]^3-. [Ni(en)₂]₃[Fe(CN)₆]₂ has a rope-ladder structure where two 1-D chains, formed by the alternate array of cis-[Ni(en)₂]²⁺ and [Fe(CN)₆]^3-, are combined by trans-[Ni(en)₂]²⁺. [Ni(pn)₂]_2- [Fe(CN)₆]ClO₄·2H₂O have a 2-D sheet of a square structure. Type 1 and type 2 of 1-D structures show no magnetic ordering over balk whereas type 3 of a 2-D structure shows a long-range magnetic ordering.

Original language	English
Pages (from-to)	319-328
Number of pages	10
Journal	ACS Symposium Series
Volume	644
Publication status	Published - Dec 1 1996

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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title = "Design and Magnetism of New Bimetallic Assemblies with Fe(III)-CN-Ni(II) Linkages",

abstract = "Three types of bimetallic FeNi assemblies comprised of [Fe(CN)6]3- and [Ni(diamine)2]2+ (diamine = en, pn) are described: (1) PPh4- [Ni(pn)2][Fe(CN)6]·H2O, (2) [Ni(en)2]3[Fe(CN)6]2·2H 2O and (3) [Ni(pn)2]2[Fe(CN)6]X·2H2O (X = ClO4-, BF4-, PF6-). PPh4[Ni(pn)2]- [Fe(CN)6] forms a 1-D chain of the alternate array of trans-[Ni(pn)2]2+ and [Fe(CN)6]3-. [Ni(en)2]3[Fe(CN)6]2 has a rope-ladder structure where two 1-D chains, formed by the alternate array of cis-[Ni(en)2]2+ and [Fe(CN)6]3-, are combined by trans-[Ni(en)2]2+. [Ni(pn)2]2- [Fe(CN)6]ClO4·2H2O have a 2-D sheet of a square structure. Type 1 and type 2 of 1-D structures show no magnetic ordering over balk whereas type 3 of a 2-D structure shows a long-range magnetic ordering.",

author = "Hisashi Okawa and Masaaki Ohba",

year = "1996",

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language = "English",

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pages = "319--328",

journal = "ACS Symposium Series",

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AU - Ohba, Masaaki

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N2 - Three types of bimetallic FeNi assemblies comprised of [Fe(CN)6]3- and [Ni(diamine)2]2+ (diamine = en, pn) are described: (1) PPh4- [Ni(pn)2][Fe(CN)6]·H2O, (2) [Ni(en)2]3[Fe(CN)6]2·2H 2O and (3) [Ni(pn)2]2[Fe(CN)6]X·2H2O (X = ClO4-, BF4-, PF6-). PPh4[Ni(pn)2]- [Fe(CN)6] forms a 1-D chain of the alternate array of trans-[Ni(pn)2]2+ and [Fe(CN)6]3-. [Ni(en)2]3[Fe(CN)6]2 has a rope-ladder structure where two 1-D chains, formed by the alternate array of cis-[Ni(en)2]2+ and [Fe(CN)6]3-, are combined by trans-[Ni(en)2]2+. [Ni(pn)2]2- [Fe(CN)6]ClO4·2H2O have a 2-D sheet of a square structure. Type 1 and type 2 of 1-D structures show no magnetic ordering over balk whereas type 3 of a 2-D structure shows a long-range magnetic ordering.

AB - Three types of bimetallic FeNi assemblies comprised of [Fe(CN)6]3- and [Ni(diamine)2]2+ (diamine = en, pn) are described: (1) PPh4- [Ni(pn)2][Fe(CN)6]·H2O, (2) [Ni(en)2]3[Fe(CN)6]2·2H 2O and (3) [Ni(pn)2]2[Fe(CN)6]X·2H2O (X = ClO4-, BF4-, PF6-). PPh4[Ni(pn)2]- [Fe(CN)6] forms a 1-D chain of the alternate array of trans-[Ni(pn)2]2+ and [Fe(CN)6]3-. [Ni(en)2]3[Fe(CN)6]2 has a rope-ladder structure where two 1-D chains, formed by the alternate array of cis-[Ni(en)2]2+ and [Fe(CN)6]3-, are combined by trans-[Ni(en)2]2+. [Ni(pn)2]2- [Fe(CN)6]ClO4·2H2O have a 2-D sheet of a square structure. Type 1 and type 2 of 1-D structures show no magnetic ordering over balk whereas type 3 of a 2-D structure shows a long-range magnetic ordering.

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Design and Magnetism of New Bimetallic Assemblies with Fe(III)-CN-Ni(II) Linkages

Abstract

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