...
首页> 外文期刊>Journal of chemical crystallography >The tetrafluoroborate salt of 4-methoxybenzyl N-2-(dimethylamino)ethyl-N- nitrosocarbamate: Synthesis, crystal structure and DFT calculations
【24h】

The tetrafluoroborate salt of 4-methoxybenzyl N-2-(dimethylamino)ethyl-N- nitrosocarbamate: Synthesis, crystal structure and DFT calculations

机译:4-甲氧基苄基N-2-(二甲氨基)乙基-N-亚硝基氨基甲酸酯的四氟硼酸盐:合成,晶体结构和DFT计算

获取原文
获取原文并翻译 | 示例
           

摘要

The tetrafluoroborate salt of 4-methoxybenzyl N-2-(dimethylamino)ethyl-N- nitrosocarbamate was prepared in two steps, via the corresponding carbamate. Its crystal structure is monoclinic, space group P21/c. The unit cell dimensions are: a = 19.499(8) ?, b = 5.877(3) ?, c = 15.757(7) ?, α = 90°, β = 110.019(7)°, γ = 90°, V = 1696.5(12) ? ~3, Z = 4. The structure exhibits an unexpected, pseudo-gauche conformation with respect to the C2-C3 bond, due to a stabilizing hydrogen bond between the carbonyl oxygen (O1) and the hydrogen atom at the trialkylammonium center (H3n), with a distance between them of 2.37 ?. DFT calculations on the cation (B3LYP/6-31 + G(d)) confirm that the hydrogen bond stabilized gauche conformation is the global minimum structure.
机译:通过相应的氨基甲酸酯分两步制备4-甲氧基苄基N-2-(二甲氨基)乙基-N-亚硝基氨基甲酸酯的四氟硼酸盐。其晶体结构为单斜晶系,空间群为P21 / c。晶胞尺寸为:a = 19.499(8)?,b = 5.877(3)?,c = 15.757(7)?,α= 90°,β= 110.019(7)°,γ= 90°,V = 1696.5(12)? 〜3,Z =4。由于在羰基氧(O1)和三烷基铵中心(H3n)处的氢原子之间存在稳定的氢键,因此该结构相对于C2-C3键显示出意外的伪构象构象。 ,它们之间的距离为2.37?。 DFT对阳离子(B3LYP / 6-31 + G(d))的计算证实,氢键稳定的gauche构象是整体最小结构。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号