Hydrothermal synthesis of six new lanthanides coordination polymers based on 1-H-benzimidazole-5-carboxylic acid: Structure, Hirshfeld analysis, thermal and spectroscopic properties

被引：10

作者：

Boukhemis, Ouafa ^{[1
,2
]}

Bendjeddou, Lamia ^{[1
]}

Platas-Iglesias, Carlos ^{[4
]}

Esteban-Gomez, David ^{[4
]}

Carcelli, Mauro ^{[3
]}

Merazig, Hocine ^{[1
]}

机构：

[1] Univ Freres Mentouri Constantine 1, Unite Rech Chim Environm & Mol, Fac Sci Exactes, Struct,CHEMS, Campus Tidjani Hadem, Constantine 25000, Algeria

[2] Ctr Rech Biotechnol, Ali Mandjli Nouvelle Ville UV 03 BP E73, Constantine, Algeria

[3] Univ Parma, Dept Chem Life Sci & Environm Sustainabil, Parco Area Sci 17-A, I-43124 Parma, Italy

[4] Univ A Coruna, Dept Quim Fundamental, Ctr Invest Cient Avanzadas CICA, Grp QUICOOR, Campus Zapateira,Rua Fraga 10, La Coruna 15008, Galicia, Spain

来源：

INORGANICA CHIMICA ACTA | 2020年 / 510卷

关键词：

METAL-ORGANIC FRAMEWORKS; CRYSTAL-STRUCTURES; INTERMOLECULAR INTERACTIONS; MAGNETIC-PROPERTIES; LUMINESCENCE PROPERTIES; LIGAND SYNTHESIS; SURFACE-ANALYSES; PHOTOLUMINESCENT PROPERTIES; DEPENDENT STRUCTURES; SPIN-CROSSOVER;

D O I：

10.1016/j.ica.2020.119740

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Six novel lanthanide metal coordination polymers (LnCPs) [Ln(Hbic)3(H2O)]n [Ln = La (1), Pr (2), Nd (3), Sm (4), Eu (5), Gd (6)] have been synthesized by reaction of 1H-benzimidazole-5-carboxylic acid (H2bic) with Ln2O3 under hydrothermal conditions, and characterized via elemental analysis, infrared spectroscopy, thermogravimetric analysis, single-crystal X-ray diffraction, and powder X-ray diffraction. The compounds 1–6 are isostructural and have a 1D layer architecture; the layers are linked by hydrogen bonding and π–π stacking interactions to form a 3D supramolecular framework. Hirshfeld surfaces and the luminescence properties of these complexes were also investigated. The 3-D Hirshfeld surfaces and 2-D fingerprint plots show that the main interactions are the O⋯H/H⋯O intermolecular interactions. Finely, preliminary emission experiments have been carried out on the compounds 3 and 5. © 2020 Elsevier B.V.

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页数：9

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