Spontaneous formation of crystalline lithium molybdate from solid reagents at room temperature

Yip, Thomas W.S. and Cussen, Edmund J. and Wilson, Claire (2010) Spontaneous formation of crystalline lithium molybdate from solid reagents at room temperature. Dalton Transactions, 39 (2). pp. 411-417. ISSN 1477-9234 (https://doi.org/10.1039/b908266b)

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Abstract

Lithium molybdate has been prepared by grinding LiOH x H(2)O with MoO(3) in air at room temperature. X-Ray powder diffraction data show that the formation of highly crystalline Li(2)MoO(4) is largely complete after 10 min. The phenacite structure of this material is the same as that derived from an X-ray diffraction study of a single crystal obtained from aqueous solution [R3; a = 14.3178(14) A, c = 9.5757(9) A]. Anhydrous lithium hydroxide fails to give the same reaction indicating that the water of crystallisation of LiOH x H(2)O is a vital component in this rapid synthesis. Differential scanning calorimetry measurements show that this reaction can proceed spontaneously between the two stable solid reagents at sub-ambient temperatures and is driven by the liberation of water from the crystalline lattice. Lithium molybdate prepared in this manner has significantly smaller and more regularly shaped particles than samples prepared by other synthetic methods.

  • Item type:Article
    ID code:27559
    Dates:
    Date
    Event
    14 January 2010
    Published
    13 August 2009
    Published Online
    14 July 2009
    Accepted
    Subjects:Science > Chemistry > Physical and theoretical chemistry
    Department:Faculty of Science > Pure and Applied Chemistry
    Depositing user: Mrs Roslyn MacDonald
    Date deposited:01 Oct 2010 13:42
    Last modified:17 Apr 2024 00:15
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/27559

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