CrystEngComm Blog

Guoqi Zhang, Guoqiang Yang and coworkers from the Chinese Academy of Sciences, Beijing make a series of bis(pyrrolyl)carbohydrazide derivatives in this CrystEngComm Hot article.

The compounds aggregate to form double helices in the solution state, an interesting discovery, as artificial double helices are very rare.

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Self-complementary hydrogen-bonded duplexes and helices based on bis(pyrrolyl)carbohydrazide derivatives
Dehui Hu, Zhipei Yang, Guoqi Zhang, Min Liu, Junfeng Xiang, Tongling Liang, Jinshi Ma and Guoqiang Yang
CrystEngComm, 2011, DOI: 10.1039/C1CE05542A

José Giner Planas and colleagues from the Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), and Mark E. Light and Michael B. Hursthouse from the University of Southampton look at methyl-o-carboranyl and o-carboranyl alcohols bearing N-aromatic rings in this CrystEngComm Hot article.

Giner-Planas relates the presence of infinite O–H···N hydrogen bonding networks with melting points using decomposed Fingerprint plots, which looks to be a really interesting finding for crystal engineers.

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Supramolecular architectures in o-carboranyl alcohols bearing N-aromatic rings: syntheses, crystal structures and melting points correlation
Florencia Di Salvo, Beatriz Camargo, Yolanda García, Francesc Teixidor, Clara Viñas, José Giner Planas, Mark E. Light and Michael B. Hursthouse
CrystEngComm, 2011, DOI: 10.1039/C1CE05449J