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Figure 4
The unit cell of form I of phenobarbital projected in the ab plane. Black dashed lines show the hydrogen-bonding network between molecules (1) of the asymmetric unit; blue dashed lines correspond to the hydrogen-bonding networks between molecules (2); red dashed lines are the hydrogen bonds between molecules (3) and (1) of the asymmetric unit.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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