2-Amino-5-nitrothiazole monoethanol solvate: triply-interwoven hydrogen-bonded sheets containing centrosymmetric R2 2(8) and RR10 10(38) rings.
2-Amino-5-nitrothiazole crystallizes from solution in ethanol as a monosolvate, C(3)H(3)N(3)O(2)S.C(2)H(6)O, in which the thiazole component has a strongly polarized molecular-electronic structure. The thiazole molecules are linked into centrosymmetric dimers by paired N-H...N hydrogen bonds [H...N = 2.09 A, N.N = 2.960 (6) A and N-H...N = 169 degrees ], and these dimers are linked by the ethanol molecules, via a two-centred N-H...O hydrogen bond [H...O = 1.98 A, N...O = 2.838 (5) A and N-H...O = 164 degrees ] and a planar asymmetric three-centred O-H...(O)(2) hydrogen bond [H...O = 2.07 and 2.53 A, O...O = 2.900 (5) and 3.188 (5) A, O-H...O = 169 and 136 degrees, and O...H...O = 55 degrees ], into sheets built from alternating R(2)(2)(8) and R(10)(10)(38) rings. These sheets are triply interwoven.
Glidewell
Christopher
C
School of Chemistry, University of St Andrews, Fife KY16 9ST, Scotland. cg@st-andrews.ac.uk
Low
John N
JN
Skakle
Janet M S
JM
Wardell
James L
JL