Inter-ring and endo anomeric effects, and hydrogen-bonded supra­molecular motifs in two 2,4,6,8-tetra­aza­bicyclo­[3.3.0]octane derivatives

Zhang, Z.; Wang, J.; Zhang, G.; Li, J.

doi:10.1107/S0108270109003242

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 5
Part of the crystal structure of (III), showing the formation of a [001] chain and a chain of alternating R₂²(30) and R₂²(6) rings along [010]. Intermolecular interactions are represented by dashed lines and selected atoms are labelled. [Symmetry codes: (i) −x + 1, −y, −z + 1; (ii) −x + 1, −y + 2, −z + 1; (iii) x, y, z − 1; (iv) x, y, z + 1; Cg is the centroid of the C19–C24 ring.]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 65| Part 4| March 2009| Pages o146-o150

doi:10.1107/S0108270109003242

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