N—H...pi(arene) Hydrogen Bonding in 4,4'-Thiodiphenol-Piperazine (1/1)

In the 1:1 adduct formed between 4,4′-thiodiphenol [S(C₆H₄OH)₂] and piperazine, (C₄H₁₀N₂), the components are linked into chains by O-H...N hydrogen bonds, with an O...N distance of 2.725 (3) Å. These chains are themselves cross-linked into sheets by N-H...π(arene) hydrogen bonds.

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