Supra­molecular structures in three thio­uracil derivatives: 5,6-tri­methyl­ene-2-sulfan­yl­idene-1,2-di­hydro­pyrimidin-4(3H)-one, 2-(4-fluorobenzyl­sulfan­yl)-5,6-tri­methyl­ene­pyrimidin-4(3H)-one and methyl 2-{[2-(4-fluoro­benzyl­sulfan­yl)-5,6-tri­methyl­ene­pyrimidin-4-yl]­oxy}acetate

Zhou, Y.-J.; Lv, J.; Yu, K.; Ma, J.-P.; Guo, D.-S.

doi:10.1107/S2053229614006111

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 5
The hydrogen-bonded supramolecular column of (2)

, showing the π–π contacts (turquoise dashed lines) and C—H⋯O interactions (green dashed lines), and the R₂²(8) and R₂²(18) motifs. H atoms not involved in these motifs and the disordered entities have been omitted for clarity. [Symmetry codes: (i) −x + $[{1\over 2}]$ , −y + $[{1\over 2}]$ , −z + 1; (ii) −x + $[{1\over 2}]$ , −y + $[{3\over 2}]$ , −z + 1; (iii) x, y + 1, z.]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 70| Part 4| March 2014| Pages 416-420

doi:10.1107/S2053229614006111

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