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Simplified representation of the crystal packing in 1. The black balls represent the gravity center of the molecule, red thick vertices are in accordance to a ribbon-like large synthon (motifs a and b jointly) while blue thin lines correspond to N-H…O hydrogen bonds of motif c. (a) Simplified drawing showing the diamondoid 3-D packing; (b) A distorted diamondoid fragment of the network (in green).
