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Date: 4-12-2018
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Date: 11-10-2018
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Date: 29-11-2018
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Polymeric hydrides
Polymeric hydrides (white solids) are formed by Be and Al. In BeH2 (Figure 1.1), each Be centre is tetrahedral, giving a chain structure in which multi-centre bonding of the type described for B2H6 is present. The structure of AlH3 consists
of an infinite lattice, in which each Al(III) centre is in an AlH6-octahedral site; H atoms bridge pairs of Al centres.
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