J. Kaduk, A. Gindhart, S. Gates-Rector, T. Blanton
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引用次数: 0
摘要
利用同步加速器x射线粉末衍射数据对苯丙酸酯的晶体结构进行了解析和细化,并利用密度泛函技术对其进行了优化。Nequinate在P21/c(#14)空间群中结晶,a = 18.35662(20), b = 11.68784(6), c = 9.06122(4) Å, β = 99.3314(5)°,V = 1918.352(13) Å3, Z = 4。晶体结构主要由近似平面分子的堆叠所控制。N-H⋯O氢键将相邻分子连接成平行于b轴的链。粉末图案已提交给ICDD,纳入粉末衍射文件™(PDF®)。
The crystal structure of nequinate has been solved and refined using synchrotron X-ray powder diffraction data and optimized using density functional techniques. Nequinate crystallizes in the space group P21/c (#14) with a = 18.35662(20), b = 11.68784(6), c = 9.06122(4) Å, β = 99.3314(5)°, V = 1918.352(13) Å3, and Z = 4. The crystal structure is dominated by the stacking of the approximately planar molecules. N–H⋯O hydrogen bonds link adjacent molecules into chains parallel to the b-axis. The powder pattern has been submitted to ICDD for inclusion in the Powder Diffraction File™ (PDF®).
期刊介绍:
Powder Diffraction is a quarterly journal publishing articles, both experimental and theoretical, on the use of powder diffraction and related techniques for the characterization of crystalline materials. It is published by Cambridge University Press (CUP) for the International Centre for Diffraction Data (ICDD).