Synthesis and Characterization of Diverse Coordination Polymers. Linear and Zigzag Chains Involving Their Structural Transformation via Intermolecular Hydrogen-Bonded, Interpenetrating Ladders Polycatenane, and Noninterpenetrating Square Grid from Long, Rigid <i>N,N</i>‘-Bidentate Ligands: 1,4-Bis[(<i>x</i>-pyridyl)ethynyl]benzene (<i>x</i> = 3 and 4)
作者:Md. Badruz Zaman、Konstantin Udachin、John A. Ripmeester、Mark D. Smith、Hans-Conrad zur Loye
DOI:10.1021/ic050080d
日期:2005.7.1
afforded the following one-dimensional zigzag chain structures: [Cd(C20H12N2)0.5(NO3)(CH3OH)]n (1, monoclinic, C2/c; a = 7.586(1) A, b = 23.222(1) A, c = 13.572(1) A, beta = 92.824(1), Z = 4); [Cu(C20H12N2)(NO3)2(CH3OH)} x CH3OH]n (2, orthorhombic, P2(1)2(1)2(1); a = 8.589(1) A, b = 15.766(1) A, c = 17.501(1) A, Z = 4); [Co(C20H12N2)2(NO3)2(H2O)2] (5, triclinic, P1; a = 7.493(1) A, b = 8.948(1) A,
长而刚性的配体1,4-双[(3-吡啶基)乙炔基]苯(L1)和1,4-双[(4-吡啶基)乙炔基]苯(L2)用于合成10种新的有机无机协调框架,每个框架都采用不同的结构图案。介绍了合成,单晶X射线结构测定以及光谱和热重分析。M(NO3)2 x xH2O之间的反应;M = Cd(II),Cu(II)和Co(II);x = 3-6且Cu(hfac)2 x H2O [hfac =双(六氟乙酰丙酮)]具有以下一维之字形链结构:[Cd(C20H12N2)0.5(NO3)(CH3OH)] n(1,单斜晶,C2 / c; a = 7.586(1)A,b = 23.222(1)A,c = 13.572(1)A,beta = 92.824(1),Z = 4); [Cu(C20H12N2)(NO3)2(CH3OH)} x CH3OH] n(2,斜方晶系,P2(1)2(1)2(1); a = 8.589(1)A,b