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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure and Hirshfeld surface analysis of ethyl 2-{4-[(3-methyl-2-oxo-1,2-di­hydro­quinoxalin-1-yl)meth­yl]-1H-1,2,3-triazol-1-yl}acetate
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Crystal structure and Hirshfeld surface analysis of ethyl 2-{4-[(3-methyl-2-oxo-1,2-di­hydro­quinoxalin-1-yl)meth­yl]-1H-1,2,3-triazol-1-yl}acetate

机译:乙基2- {4-[(3-甲基-2-氧代-1,2-二氢喹喔啉-1-基)甲基] -1H-1,2,3-三唑-1-基}的晶体结构和Hirshfeld表面分析醋酸盐

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摘要

The mol­ecule of the title compound, C16H17N5O3, is build up from two fused six-membered rings linked to a 1,2,3-triazole ring, which is attached to an ethyl azido-acetate group. The di­hydro­qinoxalinone portion is planar to within 0.0512 (12) Å and is oriented at a dihedral angle of 87.83 (5)° with respect to the pendant triazole ring. In the crystal, a combination of inter­molecular C—H⋯O and C—H⋯N hydrogen bonds together with slipped π-stacking [centroid–centroid distance = 3.7772 (12) Å] and C—H⋯π (ring) inter­actions lead to the formation of chains extending along the c-axis direction. Additional C—H⋯O hydrogen bonds link these chains into layers parallel to the bc plane and the layers are tied together by complementary π-stacking [centroid–centroid distance = 3.5444 (12) Å] inter­actions. The Hirshfeld surface analysis of the crystal structure indicates that the most important contributions for the crystal packing are from H⋯H (44.5%), H⋯O/O⋯H (18.8%), H⋯N/N⋯H (17.0%) and H⋯C/C⋯H (10.4%) inter­actions.
机译:标题化合物C16H17N5O3的分子由连接到1,2,3-三唑环的两个稠合六元环组成,该环连接至叠氮基乙酸乙酯基团。二氢喹诺酮酮部分是平面的,在0.0512(12)Å以内,相对于三唑侧链环的二面角为87.83(5)°。在晶体中,分子间CH⋯O和CH bondsN氢键与π堆积滑动[质心-质心距离= 3.7772(12)Å]和C-H⋯π(环)相互作用的组合形成沿c轴方向延伸的链。额外的C⋯H氢键将这些链连接到平行于bc平面的层中,并且这些层通过互补的π堆积[质心-质心距离= 3.5444(12)Å]相互作用而绑在一起。晶体结构的Hirshfeld表面分析表明,对晶体堆积最重要的贡献来自H⋯H(44.5%),H⋯O / O⋯H(18.8%),H⋯N / N⋯H(17.0%) )和H⋯C / C⋯H(10.4%)的相互作用。

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