Crystal structures of three 4-substituted-2,2′-bipyridines synthesized by Sonogashira and Suzuki–Miyaura cross-coupling reactions

Luong Thi Thu, T.; Nguyen Bich, N.; Nguyen, H.; Van Meervelt, L.

doi:10.1107/S2056989017004662

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 3
Crystal packing of (II)

viewed along the a axis. C—H⋯N hydrogen bonds between neighboring columns of stacked molecules are shown as blue dotted lines. Voids are contoured (green grid) at 0.2 Å away from the molecular surface resulting in a total void volume of 375 Å³. [Symmetry codes: (i) x − 1, −y + $[{3\over 2}]$ , z − $[{1\over 2}]$ ; (ii) x + 1, −y + $[{3\over 2}]$ , z + $[{1\over 2}]$ ].

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 73| Part 4| April 2017| Pages 610-615

https://doi.org/10.1107/S2056989017004662

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