Acta Cryst. (2002). E58, o772-o773  [ doi:10.1107/S1600536802010620 ]

Pyridinium 2-thioxo-2,3-dihydro-1H-naphtho[2,3-d]-1,3,2⁵-diazaphosphole-2-thiolate

M. Janca, M. Necas and J. Príhoda

Abstract: The reaction of chlorodithiophoshoric acid pyridinium betaine, PyPS₂Cl, with 2,3-diaminonaphthalene yields the title compound, (PyH)(C₁₀H₈N₂)PS₂ or C₅H₆N⁺·C₁₀H₈N₂PS₂^-. The P atom is coordinated by both N atoms of 2,3-diaminonaphthalene with the formation of a five-membered ring.

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