Syntheses and characterization of novel lanthanide adamantine–dicarboxylate coordination complexes

• Published in: Journal of solid state chemistry Vol. 182; no. 1; pp. 95 - 101
• Main Authors: Li, Xing, Wei, Dan-Yi, Huang, Shi-Jie, Zheng, Yue-Qing
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier Inc 01.01.2009; Elsevier
• Subjects: Adamantanedicarboxylate; Condensed matter: electronic structure, electrical, magnetic, and optical properties; Condensed matter: structure, mechanical and thermal properties; ERBIUM COMPLEXES; ERBIUM IONS; EUROPIUM COMPLEXES; Exact sciences and technology; Hydrothermal reaction; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; Lanthanide complexes; LANTHANUM COMPLEXES; LIGANDS; NEODYMIUM COMPLEXES; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation; Organic compounds; PHENANTHROLINES; Photoluminescence; Physics; PRASEODYMIUM COMPLEXES; SAMARIUM COMPLEXES; Structure of solids and liquids; crystallography; Structure of specific crystalline solids; SYNTHESIS; THERMAL GRAVIMETRIC ANALYSIS; Hydrothermal reaction; Lanthanide complexes; Adamantanedicarboxylate; Molecular structure; Thermogravimetry; Rare earth compounds; Europium additions; Hydrothermal synthesis; Fluorescent material; Rare earths; Chlorides; Supramolecular structure; Phenanthrolines; Ligands; Europium; Erbium
• ISSN: 0022-4596; 1095-726X
• DOI: 10.1016/j.jssc.2008.09.018

Hydrothermal reactions of 1,10-phenanthroline (phen), 1,3-adamantanedicarboxylic acid (H 2L) and lanthanide chlorides yielded six compounds: [ Ln(L)(HL)(phen)] ( Ln=Pr, 1; Nd, 2), [ Ln(L)(HL)(phen)(H 2O)] (Sm, 3; Eu, 4), [Tb(L)(HL)(phen)(H 2O)] 2·2H 2O ( 5), [Er 3(L) 4(OH)(phen)] 2 ( 6). Compounds 1– 4 are structurally featured by one-dimensional polymeric chains; 5 hold binuclear structure constructed from eight-coordinated lanthanide center LnN 2O 6 of distorted bicapped trigonal prism bridged by dicarboxylate ligands; 6 shows that erbium ions are in mono and bicapped trigonal prismatic geometries, respectively, which are further connected by μ 3-OH to give rise to trinuclear structure. Thermogravimetric analyses of 1, 3 and 5 were performed. Fluorescent measurements of 4 and 5 were carried out, respectively. Hydrothermal reactions of 1,10-phenanthroline, 1,3-adamantanedicarboxylic acid and lanthanide choloride yielded a novel supramolecular architectures constructed from polyhedral LnN 2O 6 of distorted bicapped trigonal prism bridged by dicarboxylate.