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Merely the illusion of a GaGa bond is given between the doubly I-bridged atoms of the nearly planar eight-membered ring in Ga8I8 · 6 PEt3 (shown on the right). This finding is remarkable, since the corresponding AlI halides have four-membered Al rings. D = PEt3.
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Doriat et al. (1997) studied this question.
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