Copper diphosphonates with zero-, one- and two-dimensional structures: Ferrimagnetism in layer compound Cu3(ImhedpH)2·2H2O [ImhedpH4 = (1-C3H3N2)CH2C(OH)(PO3H2)2]

Deng Ke Cao; Xiao Ji Xie; Yi Zhi Li; Li Min Zheng

doi:10.1039/b805487h

Copper diphosphonates with zero-, one- and two-dimensional structures: Ferrimagnetism in layer compound Cu₃(ImhedpH)₂·2H₂O [ImhedpH₄ = (1-C₃H₃N₂)CH₂C(OH)(PO₃H₂)₂]

Deng Ke Cao, Xiao Ji Xie, Yi Zhi Li, Li Min Zheng

Nanjing University

科研成果: 期刊稿件 › 文章 › 同行评审

40 引用（Scopus）

摘要

Reactions of CuSO₄ with 2-(1-imidazole)-1-hydroxy-1,1′-ethylidenediphosphonic acid (ImhedpH₄) under hydrothermal conditions at different temperatures lead to four new metal phosphonates: Cu(ImhedpH₃)₂(H₂O)·2H₂O (1), Cu(ImhedpH₃)₂ (2), Cu₃(ImhedpH₂)₂(ImhedpH₃)₂·4H₂O (3), and Cu₃(ImhedpH)₂·2H₂O (4). Compounds 1 and 2 have mononuclear structures in which the Cu atoms adopt square pyramidal and square planar geometries, respectively. In compound 3, a chain structure is observed where the Cu₃(ImhedpH₂)₂(ImhedpH₃)₂ trimer units are connected by edge-sharing of the (Cu(2)O₅) square pyramids. Compound 4 exhibits a layer structure made up of Cu₃(ImhedpH)₂ trimer units. The connection of trimers through corner-sharing of (Cu(1)O₄) and (CPO₃) tetrahedra results in a two-dimensional layer containing 8- and 16-membered rings. The imidazole groups are grafted on the two sides of the layer. Magnetic studies reveal that ferromagnetic interactions are mediated in 3, while for compound 4, ferrimagnetism is observed below 5.8 K.

源语言	英语
页（从-至）	5008-5015
页数	8
期刊	Journal of the Chemical Society. Dalton Transactions
期	37
DOI	https://doi.org/10.1039/b805487h
出版状态	已出版 - 7 8月 2008
已对外发布	是

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title = "Copper diphosphonates with zero-, one- and two-dimensional structures: Ferrimagnetism in layer compound Cu3(ImhedpH)2·2H2O [ImhedpH4 = (1-C3H3N2)CH2C(OH)(PO3H2)2]",

abstract = "Reactions of CuSO4 with 2-(1-imidazole)-1-hydroxy-1,1′-ethylidenediphosphonic acid (ImhedpH4) under hydrothermal conditions at different temperatures lead to four new metal phosphonates: Cu(ImhedpH3)2(H2O)·2H2O (1), Cu(ImhedpH3)2 (2), Cu3(ImhedpH2)2(ImhedpH3)2·4H2O (3), and Cu3(ImhedpH)2·2H2O (4). Compounds 1 and 2 have mononuclear structures in which the Cu atoms adopt square pyramidal and square planar geometries, respectively. In compound 3, a chain structure is observed where the Cu3(ImhedpH2)2(ImhedpH3)2 trimer units are connected by edge-sharing of the (Cu(2)O5) square pyramids. Compound 4 exhibits a layer structure made up of Cu3(ImhedpH)2 trimer units. The connection of trimers through corner-sharing of (Cu(1)O4) and (CPO3) tetrahedra results in a two-dimensional layer containing 8- and 16-membered rings. The imidazole groups are grafted on the two sides of the layer. Magnetic studies reveal that ferromagnetic interactions are mediated in 3, while for compound 4, ferrimagnetism is observed below 5.8 K.",

author = "Cao, {Deng Ke} and Xie, {Xiao Ji} and Li, {Yi Zhi} and Zheng, {Li Min}",

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T1 - Copper diphosphonates with zero-, one- and two-dimensional structures

T2 - Ferrimagnetism in layer compound Cu3(ImhedpH)2·2H2O [ImhedpH4 = (1-C3H3N2)CH2C(OH)(PO3H2)2]

AU - Cao, Deng Ke

AU - Xie, Xiao Ji

AU - Li, Yi Zhi

AU - Zheng, Li Min

PY - 2008/8/7

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N2 - Reactions of CuSO4 with 2-(1-imidazole)-1-hydroxy-1,1′-ethylidenediphosphonic acid (ImhedpH4) under hydrothermal conditions at different temperatures lead to four new metal phosphonates: Cu(ImhedpH3)2(H2O)·2H2O (1), Cu(ImhedpH3)2 (2), Cu3(ImhedpH2)2(ImhedpH3)2·4H2O (3), and Cu3(ImhedpH)2·2H2O (4). Compounds 1 and 2 have mononuclear structures in which the Cu atoms adopt square pyramidal and square planar geometries, respectively. In compound 3, a chain structure is observed where the Cu3(ImhedpH2)2(ImhedpH3)2 trimer units are connected by edge-sharing of the (Cu(2)O5) square pyramids. Compound 4 exhibits a layer structure made up of Cu3(ImhedpH)2 trimer units. The connection of trimers through corner-sharing of (Cu(1)O4) and (CPO3) tetrahedra results in a two-dimensional layer containing 8- and 16-membered rings. The imidazole groups are grafted on the two sides of the layer. Magnetic studies reveal that ferromagnetic interactions are mediated in 3, while for compound 4, ferrimagnetism is observed below 5.8 K.

AB - Reactions of CuSO4 with 2-(1-imidazole)-1-hydroxy-1,1′-ethylidenediphosphonic acid (ImhedpH4) under hydrothermal conditions at different temperatures lead to four new metal phosphonates: Cu(ImhedpH3)2(H2O)·2H2O (1), Cu(ImhedpH3)2 (2), Cu3(ImhedpH2)2(ImhedpH3)2·4H2O (3), and Cu3(ImhedpH)2·2H2O (4). Compounds 1 and 2 have mononuclear structures in which the Cu atoms adopt square pyramidal and square planar geometries, respectively. In compound 3, a chain structure is observed where the Cu3(ImhedpH2)2(ImhedpH3)2 trimer units are connected by edge-sharing of the (Cu(2)O5) square pyramids. Compound 4 exhibits a layer structure made up of Cu3(ImhedpH)2 trimer units. The connection of trimers through corner-sharing of (Cu(1)O4) and (CPO3) tetrahedra results in a two-dimensional layer containing 8- and 16-membered rings. The imidazole groups are grafted on the two sides of the layer. Magnetic studies reveal that ferromagnetic interactions are mediated in 3, while for compound 4, ferrimagnetism is observed below 5.8 K.

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Copper diphosphonates with zero-, one- and two-dimensional structures: Ferrimagnetism in layer compound Cu3(ImhedpH)2·2H2O [ImhedpH4 = (1-C3H3N2)CH2C(OH)(PO3H2)2]

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Copper diphosphonates with zero-, one- and two-dimensional structures: Ferrimagnetism in layer compound Cu₃(ImhedpH)₂·2H₂O [ImhedpH₄ = (1-C₃H₃N₂)CH₂C(OH)(PO₃H₂)₂]