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Big Al: Nanometer-separated, perfectly arranged p1 spin systems are found in crystals of molecular [Al(Al3R3)2] radicals (R=N(SiMe2Ph)2; see spin-density diagram of the model compound [Al(AlNH2)6]). [Al(Al3R3)2] is surprisingly stable in the solid state. The unique topology of the seven metal atoms in the [Al(Al3R3)] molecules is discussed: Do these atoms represent a section of the bulk structure of Al and can thus be described as the simplest metalloid cluster?
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Yang et al. (2007) studied this question.
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