کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1404654 | 1501920 | 2006 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Configuration flexibility of 2,5-bis(3-pyridyl)-1,3,4-oxadiazole in controllable cocrystallization with 3-hydroxybenzoic acid
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Configuration flexibility of 2,5-bis(3-pyridyl)-1,3,4-oxadiazole in controllable cocrystallization with 3-hydroxybenzoic acid Configuration flexibility of 2,5-bis(3-pyridyl)-1,3,4-oxadiazole in controllable cocrystallization with 3-hydroxybenzoic acid](/preview/png/1404654.png)
چکیده انگلیسی
Cocrystallization of 3-hydroxybenzoic acid (H2mba) with a versatile angular dipyridyl building block 2,5-bis(3-pyridyl)-1,3,4-oxadiazole (3-bpo) under the ambient or hydrothermal condition affords, two binary molecular cocrystals [(H2mba)·(3-bpo)] (2) and [(H2mba)·(3-bpo)]·3.5H2O (3). X-ray single-crystal diffraction of 3-bpo (1) suggests that 1D infinite tape is formed via weak C-Hâ¯N interactions. With regard to pseudopolymorphs 2 and 3, similar 1D acid-base chains are generated through hard O-Hâ¯N hydrogen bonds, which however, adopt distinct 3D lattice packing. Significantly, three typical conformations of 3-bpo are observed in the structures of 1-3 to meet the requirements of the formation of different hydrogen-bonding patterns.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Structure - Volume 791, Issues 1â3, 19 June 2006, Pages 131-136
Journal: Journal of Molecular Structure - Volume 791, Issues 1â3, 19 June 2006, Pages 131-136
نویسندگان
Miao Du, Zhi-Hui Zhang, Xiu-Guang Wang, Cheng-Peng Li,