Halide-bridged polymers of divalent metals with donor ligands – structures and properties

Tunable Crystal-to-Crystal Phase Transition in a Cadmium Halide Chain Polymer

“…Over the last decade, our group has devoted systematic studies to halide-bridged polymers of divalent cations; the subject has recently been reviewed [1]. Several compounds in this class undergo single-crystal to single-crystal transformations: We have encountered solid state reactivity [2], thermal degradation [3], and phase transitions [4].…”

“…We communicate the twinned low-temperature structure of the material, and we describe the temperature dependence of the transformation in the isomorphous series [{Cd(µ-Br) 2−2x (µ-Cl) 2x py 2 } 1 ∞ ] as summarized in Scheme 1. [1,[6][7][8][9][10] and represents a halide-bridged chain polymer (Scheme 1). At room temperature the compound crystallizes in the orthorhombic space group Pnnm, with the Cd cations in Wyckoff position 2a.…”

Crystal Structure of 1,1′-dimethyl-[4,4′-bipyridine]-1,1′-diium tetrachloridozincate(II), C12H14Cl4N2Zn

“…Organically templated inorganic hybrid materials have attracted much interest due to their intriguing architectures and topologies as well as fascinating physical properties [3][4][5][6]. Viologen and related derivatives have been widely used as templates to construct metal-halide-viologen complexes with various structure types because of their application in biology, electrochemistry and photochemistry [7][8][9][10].…”

Silver coordination polymers with remarkably high packing coefficients

“…Coordination polymers currently attract considerable interest in view of their potential applications [1][2][3], their unmatched versatility in building up extended structures [4][5][6][7][8] and their fascinating dynamic behaviour [9][10][11]. In addition to coordination networks based on one type of cations, more complex bimetallic systems have also been described [12][13][14][15][16].…”