Abstract
The 2:1 co-crystal of 4-cyanopyridine and 4,4‘-biphenol exists in at least two polymorphic forms. Single-crystal X-ray crystallographic analysis of forms I and II revealed conformational differences in the 4,4‘-biphenol molecules, but O−H···N(pyridine) supramolecular heterosynthons sustain both forms, suggesting that O−H···N(pyridine) interactions are favored over competing O−H···N(cyano) interactions. These conformational polymorphs crystallize concomitantly, and conformational isomorphism is also observed in this co-crystal. Experimental conditions that induce transformations between form I and form II are described. The structural differences between form I and II are discussed in the broader context of conformational polymorphism.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
