Two novel complexes based on N-N bridged ligand: Syntheses, crystal structures, fluorescence and magnetic property

Zhong Yuan Zhou; Xiu Shuang Xing; Yun Hu Han; Chong Bin Tian; Shao Wu Du

doi:10.14102/j.cnki.0254-5861.2011-0815

Two novel complexes based on N-N bridged ligand: Syntheses, crystal structures, fluorescence and magnetic property

Zhong Yuan Zhou, Xiu Shuang Xing, Yun Hu Han, Chong Bin Tian, Shao Wu Du

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

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Abstract

Two novel coordination compounds, 1 [Zn₄(L₁)₄(NO₃)₂(H₂O)₂](NO₃)₂.2H₂O and 2 [Mn₂(L₂)₂(DMF)(H₂O)₃](ClO₄)2.DMF (HL₁ = N'-[(1E)-pyridine-2-ylmethylidene]pyrazine-2- carbohydrazide, H₂L₂ = 2-hydroxy-3-methoxybenzaldehyde(pyrazin-2-ylcarbonyl)hydrazone), based on the N-N bridged ligands were prepared and structurally characterized. Compound 1 represents the [2∗2] molecular squares, in which both N atoms belonging to the N-N bridged ligands are connected to the Zn centers. The emission of compound 1 exhibits a blue shift, which can be assigned to strong electrostatic interaction between Zn^II ions and the L₁ ^-1. Compound 2 represents a rare phenol-O bridged Mn₂^IIcomplex. The magnetic investigation indicates weak antiferromagnetic interactions between the Mn^IIcenters.

Original language	English
Pages (from-to)	119-128
Number of pages	10
Journal	Jiegou Huaxue
Volume	35
Issue number	1
DOIs	https://doi.org/10.14102/j.cnki.0254-5861.2011-0815
State	Published - 11 Jan 2016
Externally published	Yes

Keywords

Antiferromagnetic interactions
Blue shift
Coordination compounds
N-n bridged ligands

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title = "Two novel complexes based on N-N bridged ligand: Syntheses, crystal structures, fluorescence and magnetic property",

abstract = "Two novel coordination compounds, 1 [Zn4(L1)4(NO3)2(H2O)2](NO3)2.2H2O and 2 [Mn2(L2)2(DMF)(H2O)3](ClO4)2.DMF (HL1 = N'-[(1E)-pyridine-2-ylmethylidene]pyrazine-2- carbohydrazide, H2L2 = 2-hydroxy-3-methoxybenzaldehyde(pyrazin-2-ylcarbonyl)hydrazone), based on the N-N bridged ligands were prepared and structurally characterized. Compound 1 represents the [2∗2] molecular squares, in which both N atoms belonging to the N-N bridged ligands are connected to the Zn centers. The emission of compound 1 exhibits a blue shift, which can be assigned to strong electrostatic interaction between ZnII ions and the L1 -1. Compound 2 represents a rare phenol-O bridged Mn2IIcomplex. The magnetic investigation indicates weak antiferromagnetic interactions between the MnIIcenters.",

keywords = "Antiferromagnetic interactions, Blue shift, Coordination compounds, N-n bridged ligands",

author = "Zhou, {Zhong Yuan} and Xing, {Xiu Shuang} and Han, {Yun Hu} and Tian, {Chong Bin} and Du, {Shao Wu}",

year = "2016",

month = jan,

day = "11",

doi = "10.14102/j.cnki.0254-5861.2011-0815",

language = "英语",

volume = "35",

pages = "119--128",

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TY - JOUR

T1 - Two novel complexes based on N-N bridged ligand

T2 - Syntheses, crystal structures, fluorescence and magnetic property

AU - Zhou, Zhong Yuan

AU - Xing, Xiu Shuang

AU - Han, Yun Hu

AU - Tian, Chong Bin

AU - Du, Shao Wu

PY - 2016/1/11

Y1 - 2016/1/11

N2 - Two novel coordination compounds, 1 [Zn4(L1)4(NO3)2(H2O)2](NO3)2.2H2O and 2 [Mn2(L2)2(DMF)(H2O)3](ClO4)2.DMF (HL1 = N'-[(1E)-pyridine-2-ylmethylidene]pyrazine-2- carbohydrazide, H2L2 = 2-hydroxy-3-methoxybenzaldehyde(pyrazin-2-ylcarbonyl)hydrazone), based on the N-N bridged ligands were prepared and structurally characterized. Compound 1 represents the [2∗2] molecular squares, in which both N atoms belonging to the N-N bridged ligands are connected to the Zn centers. The emission of compound 1 exhibits a blue shift, which can be assigned to strong electrostatic interaction between ZnII ions and the L1 -1. Compound 2 represents a rare phenol-O bridged Mn2IIcomplex. The magnetic investigation indicates weak antiferromagnetic interactions between the MnIIcenters.

AB - Two novel coordination compounds, 1 [Zn4(L1)4(NO3)2(H2O)2](NO3)2.2H2O and 2 [Mn2(L2)2(DMF)(H2O)3](ClO4)2.DMF (HL1 = N'-[(1E)-pyridine-2-ylmethylidene]pyrazine-2- carbohydrazide, H2L2 = 2-hydroxy-3-methoxybenzaldehyde(pyrazin-2-ylcarbonyl)hydrazone), based on the N-N bridged ligands were prepared and structurally characterized. Compound 1 represents the [2∗2] molecular squares, in which both N atoms belonging to the N-N bridged ligands are connected to the Zn centers. The emission of compound 1 exhibits a blue shift, which can be assigned to strong electrostatic interaction between ZnII ions and the L1 -1. Compound 2 represents a rare phenol-O bridged Mn2IIcomplex. The magnetic investigation indicates weak antiferromagnetic interactions between the MnIIcenters.

KW - Antiferromagnetic interactions

KW - Blue shift

KW - Coordination compounds

KW - N-n bridged ligands

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DO - 10.14102/j.cnki.0254-5861.2011-0815

M3 - 文章

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SN - 0254-5861

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JO - Jiegou Huaxue

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IS - 1

ER -

Two novel complexes based on N-N bridged ligand: Syntheses, crystal structures, fluorescence and magnetic property

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Keywords

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