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2-Chloro-4-hydroxyanilinium chloride

Year: 2025
Type: article
Abstract: The title compound, C 6 H 7 ClNO + ·Cl − , crystallizes in orthorhombic space group Pnma with both cations and anions lying on a mirror plane in the crystal. The C—Cl distance is 1.7289 (6) Å, the C—N distance is 1.4590 (8) Å, and the C—O distance is 1.3617 (8) Å. Parallel molecules form stacks with interplanar spacing 3.1473 (2) Å, but slipped by 1.97 Å. The NH 3 + substituent donates three intermolecular hydrogen bonds to chloride ions having N...Cl distances in the range 3.1514 (6)–3.3019 (2) Å, and the OH group donates an intermolecular hydrogen bond to chloride with O...Cl distance 3.0671 (6) Å. The chloro substituent and OH group do not accept hydrogen bonds from NH or OH.
Source: IUCrData
Language: English
Field: Chemistry
Open Access status: gold
Estimated APC paid: $300
OpenAlex ID: W4415308409
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