N6-Substituted 2-amino-4-chloro-5-formylpyrimidines: puckered versus planar pyrimidine rings, and hydrogen-bonded aggregation in zero, one, two and three dimensions

Cobo, J.; Trilleras, J.; Quiroga, J.; Marchal, A.; Nogueras, M.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108768108019915

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 5
Part of the crystal structure of (VII) showing the formation of a chain of hydrogen-bonded S(6), R₂²(4) and [R_2^2(8)]

rings along [2 $[\bar 1]$ 0]. For the sake of clarity the H atoms bonded to C atoms have been omitted. The atoms marked with an asterisk (*) or a hash (#) are at the symmetry positions (2 - x, -y, -z) and (-x, 1 - y, -z), respectively.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 64| Part 5| September 2008| Pages 596-609

doi:10.1107/S0108768108019915

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