Hydrothermal and structural chemistry of the zinc(II)- and cadmium(II)-1,2,4-triazolate systems

Wayne Ouellette, Bruce S. Hudson, Jon Zubieta

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182 Scopus citations


Hydrothermal reactions of 1,2,4-triazole with zinc and cadmium salts have yielded 10 structurally unique materials of the M(II)/trz/Xn- system, with M(II) = Zn and Cd and Xn- = F-, Cl-, Br-, I-, OH-, NO3-, and SO42- (trz = 1,2,4-triazolate). Of the zinc-containing phases, [Zn(trz)2] (1), [Zn2(trz)3(OH)] ·3H2O (3·3H2O), and [Zn2(trz) (SO4)(OH)] (4) are three-dimensional, while [Zn(trz)Br] (2) is two-dimensional. All six cadmium phases, [Cd3(trz)3F 2(H2O)]·2.75H2O (5·2.75H 2O), [Cd2(trz)2Cl2(H2O)] (6), [Cd3(trz)3Br3] (7), [Cd 2(trz)3I] (8), [Cd3(trz)5(NO 3)(H2O)]·H2O (9·H2O), and [Cd8(trz)4(OH)2(SO4) 5(H2O)] (10), are three-dimensional. In all cases, the anionic components Xn- participate in the framework connectivity as bridging ligands. The structural diversity of these materials is reflected in the variety of coordination poiyhedra displayed by the metal sites: tetrahedral; trigonal bipyramidal; octahedral. Structures 3, 5, and 7-9 exhibit two distinct polyhedral building blocks. The materials are also characterized by a range of substructural components, including trinuclear and tetranuclear clusters, adamantoid cages, chains, layers, and complex frameworks.

Original languageEnglish (US)
Pages (from-to)4887-4904
Number of pages18
JournalInorganic Chemistry
Issue number12
StatePublished - Jun 11 2007

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry


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