Synthesis of Nanoporous Cubic In(CN)3 and In1-xGax(CN)3 and Corresponding Inclusion Compounds

Darrick Williams, John Kouvetakis, M. O'Keeffe

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36 Scopus citations

Abstract

Anhydrous In(CN)3 and In1-x Gax (CN) )3 phase with empty Prussian-blue-type structures have been prepared via low-temperature solution methods utilizing molecular templating agents. Quantitative X-ray powder diffraction was used to refine the In(CN)3 cubic structure in which In is octahedrally surrounded by an average of three C and three N atoms. The symmetry is Pm3̄m, aα = 5.627(1) A, and the In - (C,N) and C-N bond lengths are 2.251(1) and 1.125 Å, respectively. The compound reversibly incorporates krypton atoms into the empty cavities to form In(CN) 3·Kr, which is readily identified by powder diffraction. Similar inclusion systems with n-hexane in the porous framework are also synthesized. In-xGax(CN) 3 solid solution are formed by suitable combination of the binary systems and have lattice constant adjustable between 5.293 Å for Ga(CN) 3 and 5.627(1) Å for In(CN) 3. The variation of the lattice parameters with compositon obeys Vegard's Law.

Original languageEnglish (US)
Pages (from-to)4617-4620
Number of pages4
JournalInorganic chemistry
Volume37
Issue number18
DOIs
StatePublished - Sep 7 1998

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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