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Figure 4
A partial view along the a axis of the crystal packing for (II)[link], showing infinite chains formed along [001] by weak N1—H1⋯O1 and C12—H12⋯O1 hydrogen-bonding inter­actions. The keto oxygen, O1, forms a weak hydrogen bond with N1 from a piperdine ring in the same plane and with C12 from one of the diaryl groups of a mol­ecule in an adjacent plane along the a axis. H atoms not involved in these inter­actions have been omitted for clarity.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 74| Part 4| April 2018| Pages 483-486
https://doi.org/10.1107/S2056989018003766
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