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The structure of the complex [La(H2O)7Al(OH)6Mo6O18]n·4nH2O is the first example of a 1D extended chain in which an Anderson type heteropolyanion is linked by rare earth metal ions in zig-zag chains that arrange “head to tail” in the structure; furthermore the chains are themselves linked into an extensive three-dimensional hydrogen bonded network.
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Vaddypally et al. (2002) studied this question.
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