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Similar to σ-hole interactions, the π-hole interaction has attracted much attention in recent years. According to the positive electrostatic potentials above and below the surface of inorganic heterocyclic compounds S2N2 and three SN2P2 isomers (heterocyclic compounds 1–4), and the negative electrostatic potential outside the X atom of XH3 (X = N, P, As), S2N2/SN2P2⋯XH3 (X = N, P, As) complexes were...
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