title: Syntheses and structures of one CuI-containing coordination polymer and two macrocyclic supramolecular complexes based on flexible 1,3,4-oxadiazole-containing ligands.
abstract: Three coordination complexes with Cu(I) centres have been prepared using the symmetrical flexible organic ligands 1,3-bis{[5-(quinolin-2-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}propane (L1) and 1,4-bis{[5-(quinolin-2-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}butane (L2). Crystallization of L1 with Cu(SO3CF3)2 and of L2 with Cu(BF4)2 and Cu(ClO4)2 in a CH2Cl2/CH3OH mixed-solvent system at room temperature afforded the coordination complexes catena-poly[[copper(I)-μ-1,3-bis{[5-(quinolin-2-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}propane] methanesulfonate dichloromethane 0.6-solvate], {[Cu(C25H18N6O2S2)](CF3SO3)·0.6CH2Cl2}n, (I), bis(μ-1,4-bis{[5-(quinolin-2-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}butane)dicopper(I) bis(tetrafluoridoborate)-dichloromethane-methanol (1/1.5/1), [Cu2(C26H20N6O2S2)2](BF4)2·1.5CH2Cl2·CH3OH, (II), and bis(μ-1,4-bis{[5-(quinolin-2-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}butane)dicopper(I) bis(perchlorate)-dichloromethane-methanol (1/2/1), [Cu2(C26H20N6O2S2)2](ClO4)2·2CH2Cl2·CH3OH, (III). Under the control of the dumbbell-shaped CF3SO3(-) anion, complex (I) forms a one-dimensional chain and neighbouring chains form a spiral double chain. Under the control of the regular tetrahedron-shaped BF4(-) and ClO4(-) anions, complexes (II) and (III) have been obtained as bimetallic rings, which further interact via π-π interactions to form two-dimensional networks. The anions play a decisive role in determining the arrangement of these discrete molecular complexes in the solid state.
authors.affiliation: College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, People's Republic of China.
authors.forename: Xiang-Wen
authors.initials: XW
authors.lastname: Wu
authors.affiliation: College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, People's Republic of China.
authors.forename: Wan-Fu
authors.initials: WF
authors.lastname: Wu
authors.affiliation: College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, People's Republic of China.
authors.forename: Shi
authors.initials: S
authors.lastname: Yin
authors.affiliation: College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, People's Republic of China.
authors.forename: Jian-Ping
authors.initials: JP
authors.lastname: Ma
keywords: bimetallic ring; crystal structure; effect of anions; metal–organic frameworks; one-dimensional chain; self-assembly chemistry; thiacrown ether