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This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
OCCN gauche structures with an intramolecular H-bond for 2-aminoethanol (7) and 2-NO2 ethanol (9); Conformations 8 and 10 indicate disrupted H-bonds after rotations by approximately 120° about the O–C axes.