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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 16, Number 1
JKCSEZ 16(1)
February 20, 1972 

The Crystal Structure of Monoethanolamine Hydrochloride

Monoethanolamine 염산염의 결정구조
Chung Hoe Koo, Ohjae Lee, Hyun So Shin

구정회, 이오재, 신현소
The crystal structure of monoethanolamine hydrochloride is triclinic P1 with two formula units in a cell of dimensions a = 4.42±0.02, b = 7.44±0.02, c = 7.48±0.02, α = 102.4±0.3, β = 91.1±0.3, γ = 77.2±0.3°. The configuration of monoethanolamine is a gauche form with dihedral angle, 90°. The nitrogen atom forms four hydrogen bonds, three to Cl- ions(3.15, 3.24, 3.28Å) and one to a hydroxyl group of another molecule (N…O, 2.90Å). The oxygen also forms two such bonds, one to a Cl- ion (3.14Å), one to an amine group of another molecule (O…N, 2.90Å). Molecules are linked into two-dimensional network by hydrogen bonds.
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