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1,10-Phenanthrolin-1-ium hydrogen (S,S)-tartrate trihydrate and a correction.

  • Author(s): Derikvand, Zohreh
  • Olmstead, Marilyn M
  • et al.

The title structure, C(12)H(9)N(2) (+)·C(4)H(5)O(6) (-)·3H(2)O, shows that one of the protons of d-tartaric acid has been transferred to 1,10-phenanthroline. The d-hydrogen tartrate anions are joined together in a head-to-tail fashion via a short hydrogen bond with donor-acceptor distance of 2.4554 (12) Å, unsymmetrical O-H distances of 1.01 (4) Å and 1.45 (4) Å, and a 174 (4)° O-H-O bond angle. The phenanthrolinium rings are π-stacked with an average separation of 3.58 (11) Å. The structural report corrects a previous report in the literature [Wang et al. (2006 ▶). Acta Cryst. E62, o2508-o2509] of the isostructural l-hydrogen tartrate enanti-omer in which the proton transfer and short hydrogen bond were missed.

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