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Two monosodium salt hydrates of Colour Index Pigment Red 48
Author(s) -
Tapmeyer Lukas,
Hill Steven,
Bolte Michael,
Hützler Wilhelm Maximilian
Publication year - 2020
Publication title -
acta crystallographica section c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 17
ISSN - 2053-2296
DOI - 10.1107/s2053229620008530
Subject(s) - monoclinic crystal system , hydrogen bond , hydrate , pigment , salt (chemistry) , chemistry , crystal (programming language) , crystal structure , crystallography , molecule , organic chemistry , computer science , programming language
We report herein the crystal structures of a monohydrate of Colour Index Pigment Red 48 (P.R.48) (systematic name: monosodium 2‐{2‐[3‐carboxy‐2‐oxo‐1,2‐dihydronaphthalen‐1‐ylidene]hydrazin‐1‐yl}‐4‐chloro‐5‐methylbenzenesulfonate monohydrate), Na + ·C 18 H 12 ClO 6 S − ·H 2 O, and a dihydrate, Na + ·C 18 H 12 ClO 6 S − ·2H 2 O. The two monosodium salt hydrates of P.R.48 were obtained from in‐house synthesized P.R.48. Both have monoclinic ( P 2 1 / c ) symmetry at 173 K. The crystal packing of both crystal structures shows a layer arrangement whereby N—H…O and O—H…O hydrogen bonds are formed.
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