The electronic structure and geometry of the superheavy group VI molecule (116)H(2) are examined and compared to those of the lighter group analogues H(2)O-PoH(2). The spin-orbit interaction is found to lengthen the (116)-H bond and more importantly lead to a modest but significant H-(116)-H bond angle increase. It is suggested that the latter is the result of a rehybridization of the valence 7p orbitals with a "supervalent" 8s orbital of element 116.
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