Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.003 A Ê R factor = 0.031 wR factor = 0.085 Data-to-parameter ratio = 11.1 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
Zwitterionic 5-amino-2-naphthalenesulfonic acid
✍ Scribed by Smith, Graham ;Wermuth, Urs D. ;Young, David J. ;White, Jonathan M.
- Publisher
- International Union of Crystallography
- Year
- 2004
- Tongue
- English
- Weight
- 161 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.003 A Ê R factor = 0.039 wR factor = 0.105 Data-to-parameter ratio = 10.8
For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
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In the title compound, C 4 H 3 BrO 3 S 2 , all bond lengths and angles are within normal ranges. The crystal packing exhibits intermolecular O-HÁ Á ÁO hydrogen bonds, which link the molecules into chains extended along the c axis.
## Abstract **Summary:** Poly(2‐methoxyaniline‐5‐sulfonic acid) (PMAS) is a water‐soluble derivative of polyaniline that carries negatively charged sulfonate groups. This self‐doped conducting polymer also behaves like a polyelectrolyte that can subsequently function as a dopant in polyaniline (PAn