and interlayer interactions on their magnetic dynamics. Herein we report a series of layered lanthanide phosphonates, namely, α-Ln(2-qpH)(SO4)(H2O)2 (Ln = Sm) (α-Ln), β-Ln(2-qpH)(SO4)(H2O)2 (Ln = Pr, Nd, Sm) (β-Ln) and γ-Ln(2-qpH)(SO4)(H2O)2 (Ln = La, Ce, Pr, Nd, Sm) (γ-Ln) (2-qpH2 = 2-quinolinephosphonic acid), which crystallize in monoclinic P21/c (α-Ln), triclinic P (β-Ln) and orthorhombic Pbca
多晶型层状稀土配位聚合物提供了研究层内和层间相互作用对其磁动力学影响的机会。在此,我们报道了一系列层状
镧系
膦酸盐,即α-Ln(2-qpH)(SO 4 )(H 2 O) 2 (Ln = Sm) ( α-Ln ), β-Ln(2-qpH)( SO 4 )(H 2 O) 2 (Ln = Pr, Nd, Sm) ( β-Ln ) 和 γ-Ln(2-qpH)(SO 4 )(H 2 O) 2 (Ln = La, Ce, Pr , Nd, Sm) ( γ-Ln ) (2-qpH 2 = 2-
喹啉膦酸),结晶为单斜晶系P 2 1 / c ( α-Ln )、三斜晶系P ( β-Ln ) 和斜方晶系Pbca ( γ- ln ) 空间群,分别。β相和γ相的结构差异不仅存在于层内,而且存在于层间。在层内,Ln 2 O 2二聚体在β相中平行排列,但在γ相中不平行。在层间,α相和β相的
喹啉基团之间存在π-π相互作用,