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Figure 2
(a) A head-on view of the hydrogen-bonded network of the cyclen units. Ellipsoids are drawn at the 30% probability level. (b) A ball-and-stick side view of the hydrogen bonding between the cyclen units, showing the spiral chain.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 59| Part 5| April 2003| Pages o734-o736
doi:10.1107/S1600536803008936
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