Hydrogen-bond network in cyclodecaamylose hydrate at 20 K; neutron diffraction study of novel structural motifs band-flip and kink in α-(1→4)-d-glucoside oligosaccharides

Imamura, K.; Nimz, O.; Jacob, J.; Myles, D.; Mason, S.A.; Kitamura, S.; Aree, T.; Saenger, W.

doi:10.1107/S0108768101014288

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

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Figure 5
Schematic description of the infinite hydrogen-bonding network located in the channel-like cavity formed by stacking of CA10 molecules along the b axis (arrow). W2, W6 and W14 are not shown as they are not involved in hydrogen-bonded cycles. Polygons A–K are cyclic hydrogen-bonded structures shown in detail in Fig. 6

. The numbers in parentheses show equivalent positions: (1) -x+1,y,-z; (2) x,y+1,z; (3) -x+1,y+1,-z; (4) -x+1,y,-z+1; (5) $[-x+{1\over 2}+1,y-{1\over 2},-z+1]$ ; (6) $[-x+{1\over 2},y-{1\over 2},-z]$ ; (7) x,y-1,z.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 57| Part 6| November 2001| Pages 833-841

doi:10.1107/S0108768101014288

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