Diverse manganese(II) coordination polymers with mixed azide and zwitterionic dicarboxylate ligands: Structure and magnetic properties

Yan Qin Wang; Qin Xiang Jia; Kun Wang; Ai Ling Cheng; En Qing Gao

doi:10.1021/ic901798y

Diverse manganese(II) coordination polymers with mixed azide and zwitterionic dicarboxylate ligands: Structure and magnetic properties

Yan Qin Wang
, Qin Xiang Jia
, Kun Wang
, Ai Ling Cheng
, En Qing Gao^*

^*此作品的通讯作者

化学与分子工程学院

East China Normal University

科研成果: 期刊稿件 › 文章 › 同行评审

80 引用（Scopus）

摘要

The reactions of manganese(II) acetate or perchlorate, sodium azide, and the inner-salt-type dicarboxylate ligand 1, 3-bis(4-carboxylato-1-pyridinium) propane (L) under different conditions yielded four different MnII coordination polymers with mixed azide and carboxylate bridges: {[Mn(L)(N₃)] ClO₄ · 0.5H₂O}n (1), {[Mn₂(L) ₂(N₃)₂][Mn(N₃)₄(H ₂O)₂] · 2H₂O}_n (2), {[Mn ₂(L)₂(N₃)₂(H₂O) ₂]Br(N₃) · 2H₂O}_n (3), and [Mn₄ (L)₂(N₃)₈]_n (4). The compounds exhibit great diversity in their structures and magnetic properties. Both 1 and 2 contain anionic chains featuring a mixed (OCO)₂(EO- N₃) triple bridge (EO = end-on) between adjacent Mn^II ions. In 1, two independent sets of triple bridges with apparently different structural parameters alternate in the AABB sequence, and the resulting alternating chains are cross-linked into a cationic 3D framework by the cationic dipyridinium spacers. Differently, the chains in 2 have uniform bridges and are interlinked into a 2D coordination layer. An expression of the magnetic susceptibility for 1D systems with alternating J₁J₁J ₂J₂ interactions has been deduced and applied to 1. Magnetic studies on 1 and 2 reveal that the (OCO)₂(EO-N₃) triple bridges induce antiferromagnetic coupling between Mn^II ions, and magnetostructural analyses suggest that the magnitude of the coupling can be correlated to the Mn-N and Mn-N-Mn parameters. Compound 3 contains 2D coordination layers in which the chains with alternating double EO-azide and double carboxylate bridges are interlinked by the dipyridinium spacers, and magnetic studies suggest alternating ferro-and antiferromagnetic interactions through the alternating bridges. The 3D framework of compound 4 is formed by the organic ligands interlinking the uniquemanganese-azide-carboxylate layers in which the [Mn₄(μ ₃-N₃)₂(μ ₂-N₃)₂(mu; ₂-COO)₄] clusters are interlinked through EE-azide bridges (EE = end-to-end). The structure represents a novel type of self-catenated 8-connected 3D net. Magnetostructural analyses suggest that all of the short bridging moieties in 4, including (μ ₃-EO-N₃)₂, (OCO)(EO-N ₃), (OCO)(EO-N₃)₂, and single EE-N₃, propagate antiferromagnetic coupling.

源语言	英语
页（从-至）	1551-1560
页数	10
期刊	Inorganic Chemistry
卷	49
期	4
DOI	https://doi.org/10.1021/ic901798y
出版状态	已出版 - 15 2月 2010

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@article{44e4f878fb6846388991388c09a9f7af,

title = "Diverse manganese(II) coordination polymers with mixed azide and zwitterionic dicarboxylate ligands: Structure and magnetic properties",

abstract = "The reactions of manganese(II) acetate or perchlorate, sodium azide, and the inner-salt-type dicarboxylate ligand 1, 3-bis(4-carboxylato-1-pyridinium) propane (L) under different conditions yielded four different MnII coordination polymers with mixed azide and carboxylate bridges: \{[Mn(L)(N3)] ClO4 · 0.5H2O\}n (1), \{[Mn2(L) 2(N3)2][Mn(N3)4(H 2O)2] · 2H2O\}n (2), \{[Mn 2(L)2(N3)2(H2O) 2]Br(N3) · 2H2O\}n (3), and [Mn4 (L)2(N3)8]n (4). The compounds exhibit great diversity in their structures and magnetic properties. Both 1 and 2 contain anionic chains featuring a mixed (OCO)2(EO- N3) triple bridge (EO = end-on) between adjacent MnII ions. In 1, two independent sets of triple bridges with apparently different structural parameters alternate in the AABB sequence, and the resulting alternating chains are cross-linked into a cationic 3D framework by the cationic dipyridinium spacers. Differently, the chains in 2 have uniform bridges and are interlinked into a 2D coordination layer. An expression of the magnetic susceptibility for 1D systems with alternating J1J1J 2J2 interactions has been deduced and applied to 1. Magnetic studies on 1 and 2 reveal that the (OCO)2(EO-N3) triple bridges induce antiferromagnetic coupling between MnII ions, and magnetostructural analyses suggest that the magnitude of the coupling can be correlated to the Mn-N and Mn-N-Mn parameters. Compound 3 contains 2D coordination layers in which the chains with alternating double EO-azide and double carboxylate bridges are interlinked by the dipyridinium spacers, and magnetic studies suggest alternating ferro-and antiferromagnetic interactions through the alternating bridges. The 3D framework of compound 4 is formed by the organic ligands interlinking the uniquemanganese-azide-carboxylate layers in which the [Mn4(μ 3-N3)2(μ 2-N3)2(mu; 2-COO)4] clusters are interlinked through EE-azide bridges (EE = end-to-end). The structure represents a novel type of self-catenated 8-connected 3D net. Magnetostructural analyses suggest that all of the short bridging moieties in 4, including (μ 3-EO-N3)2, (OCO)(EO-N 3), (OCO)(EO-N3)2, and single EE-N3, propagate antiferromagnetic coupling.",

author = "Wang, \{Yan Qin\} and Jia, \{Qin Xiang\} and Kun Wang and Cheng, \{Ai Ling\} and Gao, \{En Qing\}",

year = "2010",

month = feb,

day = "15",

doi = "10.1021/ic901798y",

language = "英语",

volume = "49",

pages = "1551--1560",

journal = "Inorganic Chemistry",

issn = "0020-1669",

publisher = "American Chemical Society",

number = "4",

}

TY - JOUR

T1 - Diverse manganese(II) coordination polymers with mixed azide and zwitterionic dicarboxylate ligands

T2 - Structure and magnetic properties

AU - Wang, Yan Qin

AU - Jia, Qin Xiang

AU - Wang, Kun

AU - Cheng, Ai Ling

AU - Gao, En Qing

PY - 2010/2/15

Y1 - 2010/2/15

N2 - The reactions of manganese(II) acetate or perchlorate, sodium azide, and the inner-salt-type dicarboxylate ligand 1, 3-bis(4-carboxylato-1-pyridinium) propane (L) under different conditions yielded four different MnII coordination polymers with mixed azide and carboxylate bridges: {[Mn(L)(N3)] ClO4 · 0.5H2O}n (1), {[Mn2(L) 2(N3)2][Mn(N3)4(H 2O)2] · 2H2O}n (2), {[Mn 2(L)2(N3)2(H2O) 2]Br(N3) · 2H2O}n (3), and [Mn4 (L)2(N3)8]n (4). The compounds exhibit great diversity in their structures and magnetic properties. Both 1 and 2 contain anionic chains featuring a mixed (OCO)2(EO- N3) triple bridge (EO = end-on) between adjacent MnII ions. In 1, two independent sets of triple bridges with apparently different structural parameters alternate in the AABB sequence, and the resulting alternating chains are cross-linked into a cationic 3D framework by the cationic dipyridinium spacers. Differently, the chains in 2 have uniform bridges and are interlinked into a 2D coordination layer. An expression of the magnetic susceptibility for 1D systems with alternating J1J1J 2J2 interactions has been deduced and applied to 1. Magnetic studies on 1 and 2 reveal that the (OCO)2(EO-N3) triple bridges induce antiferromagnetic coupling between MnII ions, and magnetostructural analyses suggest that the magnitude of the coupling can be correlated to the Mn-N and Mn-N-Mn parameters. Compound 3 contains 2D coordination layers in which the chains with alternating double EO-azide and double carboxylate bridges are interlinked by the dipyridinium spacers, and magnetic studies suggest alternating ferro-and antiferromagnetic interactions through the alternating bridges. The 3D framework of compound 4 is formed by the organic ligands interlinking the uniquemanganese-azide-carboxylate layers in which the [Mn4(μ 3-N3)2(μ 2-N3)2(mu; 2-COO)4] clusters are interlinked through EE-azide bridges (EE = end-to-end). The structure represents a novel type of self-catenated 8-connected 3D net. Magnetostructural analyses suggest that all of the short bridging moieties in 4, including (μ 3-EO-N3)2, (OCO)(EO-N 3), (OCO)(EO-N3)2, and single EE-N3, propagate antiferromagnetic coupling.

AB - The reactions of manganese(II) acetate or perchlorate, sodium azide, and the inner-salt-type dicarboxylate ligand 1, 3-bis(4-carboxylato-1-pyridinium) propane (L) under different conditions yielded four different MnII coordination polymers with mixed azide and carboxylate bridges: {[Mn(L)(N3)] ClO4 · 0.5H2O}n (1), {[Mn2(L) 2(N3)2][Mn(N3)4(H 2O)2] · 2H2O}n (2), {[Mn 2(L)2(N3)2(H2O) 2]Br(N3) · 2H2O}n (3), and [Mn4 (L)2(N3)8]n (4). The compounds exhibit great diversity in their structures and magnetic properties. Both 1 and 2 contain anionic chains featuring a mixed (OCO)2(EO- N3) triple bridge (EO = end-on) between adjacent MnII ions. In 1, two independent sets of triple bridges with apparently different structural parameters alternate in the AABB sequence, and the resulting alternating chains are cross-linked into a cationic 3D framework by the cationic dipyridinium spacers. Differently, the chains in 2 have uniform bridges and are interlinked into a 2D coordination layer. An expression of the magnetic susceptibility for 1D systems with alternating J1J1J 2J2 interactions has been deduced and applied to 1. Magnetic studies on 1 and 2 reveal that the (OCO)2(EO-N3) triple bridges induce antiferromagnetic coupling between MnII ions, and magnetostructural analyses suggest that the magnitude of the coupling can be correlated to the Mn-N and Mn-N-Mn parameters. Compound 3 contains 2D coordination layers in which the chains with alternating double EO-azide and double carboxylate bridges are interlinked by the dipyridinium spacers, and magnetic studies suggest alternating ferro-and antiferromagnetic interactions through the alternating bridges. The 3D framework of compound 4 is formed by the organic ligands interlinking the uniquemanganese-azide-carboxylate layers in which the [Mn4(μ 3-N3)2(μ 2-N3)2(mu; 2-COO)4] clusters are interlinked through EE-azide bridges (EE = end-to-end). The structure represents a novel type of self-catenated 8-connected 3D net. Magnetostructural analyses suggest that all of the short bridging moieties in 4, including (μ 3-EO-N3)2, (OCO)(EO-N 3), (OCO)(EO-N3)2, and single EE-N3, propagate antiferromagnetic coupling.

UR - https://www.scopus.com/pages/publications/77249083715

U2 - 10.1021/ic901798y

DO - 10.1021/ic901798y

M3 - 文章

AN - SCOPUS:77249083715

SN - 0020-1669

VL - 49

SP - 1551

EP - 1560

JO - Inorganic Chemistry

JF - Inorganic Chemistry

IS - 4

ER -

Diverse manganese(II) coordination polymers with mixed azide and zwitterionic dicarboxylate ligands: Structure and magnetic properties

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