3,7‐Bis(dimethylamino)phenothiazin‐5‐ium nitrate dihydrate | Zendy

Kavitha Savaridasson Jose | Zendy; Raj Mani Mohan | Zendy; Panchanatheswaran Krishnaswamy | Zendy; Lynch Daniel E. | Zendy

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3,7‐Bis(dimethylamino)phenothiazin‐5‐ium nitrate dihydrate

Author(s) -

Kavitha Savaridasson Jose,

Raj Mani Mohan,

Panchanatheswaran Krishnaswamy,

Lynch Daniel E.

Publication year - 2004

Publication title -

acta crystallographica section e

Language(s) - English

Resource type - Journals

ISSN - 1600-5368

DOI - 10.1107/s1600536804017222

Subject(s) - nitrate , chemistry , cationic polymerization , chloride , hydrogen bond , silver nitrate , molar ratio , nuclear chemistry , medicinal chemistry , inorganic chemistry , polymer chemistry , molecule , organic chemistry , catalysis

The reaction of 3,7‐bis(dimethylamino)phenothiazin‐5‐ium chloride pentahydrate (methylene blue) with silver nitrate in a 1:2 molar ratio in water yielded the title compound, C 16 H 18 N 3 S + ·NO 3 − ·2H 2 O, as one of the products. The cationic dye molecules are planar and stacked in an antiparallel fashion, exhibiting π–π associations at a distance of 3.7040 (18) Å. The nitrate anion and the two water molecules are involved in a hydrogen‐bonding network that also includes the phenothiazinium N atom.

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