Crystal structure and magnetic properties of a unique 3D coordination polymer constructed from flexible aliphatic tricarballylic acid ligands featuring linear trimeric Manganese(II)-based, metal carboxylate chains期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Crystal structure and magnetic properties of a unique 3D coordination polymer constructed from flexible aliphatic tricarballylic acid ligands featuring linear trimeric Manganese(II)-based, metal carboxylate chains

Authors:	Hua-Hong Zou Shu-Hua Zhang Ming-Hua Zeng Yan-Ling Zhou Hong Liang

Affiliation:	^aDepartment of Chemistry and Chemical Engineering, GuangXi Normal University, Guilin 541004, PR China;^bMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, PR China

Abstract:	A novel linear trimeric-based, Mn(II)–carboxylate chain well separated by long-linking flexible aliphatic tricarballylic acid ligands in a 3D coordination polymer [Mn₃(C₆H₅O₆)₂(H₂O)₄]_n (1, C₆H₅O₆CH (COO⁻)(CH₂COO⁻)₂, TCA) exhibits low-dimensional antiferromagnetic order at 3.0 K. Such magnetic behavior is arises from the alternate Antiferro–Antiferro–Antiferro′ (J₁ J₁ J₂) repeating interactions sequence, based on the nature of the binding modes of Mn(II)-carboxylate chain and the effect of interchains arrangement of 1. The reported carboxylate-bridged metal chain systems display a new structurally authenticated example of linear homometallic spin arranged antiferromagnet among metal carboxylates.

Keywords:	Tricarballylic acid Linear trimer Mn(II)-carboxylate chain Antiferromagnetic Raman spectrum
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