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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 1901-1906 
    ISSN: 0044-2313
    Keywords: Tetrahydrogen mesoperiodate ; preparation ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Li2H4I2O10, the First TetrahydrogendimesoperiodateLi2H4I2O10 has been obtained as an intermediate during the dehydration of LiH4IO6 · H2O to LiIO4, for the first time. According to the results of an X-ray structure determination (monoclinic, P21/n, a = 533.98(4), b = 471.85(4), c = 1431.48(10) pm, β = 91.614(7)°, Z = 2, 726 diffractometer data, R = 0.056), Li2H4I2O10 contains the previously unknown tetrahydrogendimesoperiodate ion H4I2O102-, consisting of two edge-shared IO6 octahedra. They are connected with LiO6 octahedra via common edges and vertices. The crystals are non-merohedrally twinned along (100).
    Notes: Li2H4I2O10 wurde als Zwischenstufe während der Entwässerung von LiH4IO6 · H2O zu LiIO4 erstmals erhalten. Nach der Röntgenstrukturanalyse (monoklin, P21/n, a = 533,98(4), b = 471,85(4), c = 1431,48(10) pm, β = 91,614(7)°, Z = 2, 726 unabhängige Reflexe, R = 0,056) liegt das bisher unbekannte Tetrahydrogendimesoperiodatanion H4I2O102- in Form zweier kantenverknüpfter IO6-Oktaeder vor, die ihrerseits mit LiO6-Oktaedern kanten- und eckenverknüpft sind. Die Kristalle sind systematisch verzwillingt. Es handelt sich um monokline Ebenenzwillinge nach (100).
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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