Jump to main content
Jump to site search

Issue 44, 2015
Previous Article Next Article

Molecular iodine adsorption within Hofmann-type structures M(L)[M′(CN)4] (M = Ni, Co; M′ = Ni, Pd, Pt): impact of their composition

Author affiliations

Abstract

A series of thermally stable Hofmann-type clathrate structures with the general formula M(pz)[M′(CN)4], where M and M′ are bivalent metal ions MII = NiII, CoII, MII′ = NiII, PdII, PtII, and pz is the pyrazine bidentate ligand, was synthesized and investigated for the efficient entrapment of iodine (I2) in solution and in the gas phase. Iodine-containing clathrates thus prepared were analysed to determine the saturation capacity, thermal stability, guest-induced structural changes of the clathrate's lattice and the nature of the confined iodine according to the chemical composition of the host structure. An efficient confinement of about 1 I2 per unit cell is observed for the series of clathrates with the NiII and PdII ions in the square planar position whatever the bivalent metal ion in the octahedral position. Specific responses in the lattice adjustment are detected for CoII in the octahedral and PdII in the square planar positions.

Graphical abstract: Molecular iodine adsorption within Hofmann-type structures M(L)[M′(CN)4] (M = Ni, Co; M′ = Ni, Pd, Pt): impact of their composition

Back to tab navigation

Supplementary files

Publication details

The article was received on 28 Jul 2015, accepted on 07 Oct 2015 and first published on 08 Oct 2015


Article type: Paper
DOI: 10.1039/C5DT02907D
Author version
available:
Download author version (PDF)
Citation: Dalton Trans., 2015,44, 19357-19369
  •   Request permissions

    Molecular iodine adsorption within Hofmann-type structures M(L)[M′(CN)4] (M = Ni, Co; M′ = Ni, Pd, Pt): impact of their composition

    G. Massasso, M. Rodríguez-Castillo, J. Long, J. Haines, S. Devautour-Vinot, G. Maurin, A. Grandjean, B. Onida, B. Donnadieu, J. Larionova, C. Guérin and Y. Guari, Dalton Trans., 2015, 44, 19357
    DOI: 10.1039/C5DT02907D

Search articles by author

Spotlight

Advertisements