Two new 1D coordination polymers: syntheses, structures and properties

Abstract

ABSTRACT. Two new coordination polymers, namely, [Zn(bi)(Cl)2]n (1) and [Cu(L)2(bib)(H2O)2]n (2) (bi = 4,4'-bis(2-methylimidazol-1-ylmethyl)biphenyl; L = 4-(2-(4-(methoxycarbonyl)phenoxy)ethoxy)benzoic acid and bib = 2,3-bis(4-pyridyl)butane), are synthesized and characterized. Both of 1 and 2 have 1D covalent chains, which show different conformally chain feature. 2D supremolecular rhombic and rectangle motifs are observed in 1 and 2, respectively. The O-H···O and C-H···Cl hydrogen-bonding interactions play a significant role in promoting the diversity of structural patterns.

A novel samarium complex with interesting photoluminescence and semiconductive properties

“…3.91º, which is comparable with that previously documented [31,32]; For another, the two pyridyl rings have a larger dihedral angle of ca. 14.75º, comparable with that previously documented [33][34][35]. In the title complex, some weak π…π stacking interactions are established between the 4,4′-Hbipy moieties.…”

Interplay between N∙∙∙H, N∙∙∙X and π∙∙∙X interactions in the complex pairing of pyrazine with hypohalous acids: A NBO and QTAIM (quantum theory of atoms in molecules) analysis

“…Noncovalent interactions play an extensive and important role in drug optimization, supramolecular assembly, crystal engineering, reaction selectivity and molecular biology [1][2][3][4]. Undoubtedly, hydrogen bond (HB) is still one of the most important intermolecular interactions and its formation is mainly due to the electrostatic interaction, together with the induction and dispersion interactions [5,6].…”