Figure 1
(a) ORTEP view of compound (I) with displacement ellipsoids drawn at the 50% probability level. (b) Supramolecular sheets formed by direct and water-mediated pyrimidin-1-ium base pairs in (I). Symmetry codes: (ii) 1-x, 1-y, -z; (iii) -1+x, y, -1+z; (iv) 1-x, -y, 1-z; (v) 1-x, -y, -z; (vi) 1-x, 1-y, 1-z; (vii) 2-x, 1-y, 1-z; (viii) 1+x, 1+y, z; (ix) 1+x, 1+y, z. |