rac-4H 5 h、6 h, 7 h, 8 h, h, 9 10 h, 11 h-cyclo-deca - [d] [1, 2, 3] selena-diazole-8-carb-oxy-lic酸

IUCrData Pub Date : 2025-03-01 Epub Date: 2025-03-25 DOI:10.1107/S2414314625002421

Dieter Schollmeyer , Heiner Detert

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摘要

晶体中的椅子状分子由两对对映体组成，具有两种构象（比例为1:3），不同之处在于两个环状碳原子的位置。C11H16N2O2Se晶体中的椅子状分子由两对具有两种构象（比例为1:3）的对映异构体组成，不同之处在于两个环状碳原子的位置。两个分子通过碳氧酸氢桥连接。下载：下载高清图片（249KB）下载：下载全尺寸图片

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rac-4H,5H,6H,7H,8H,9H,10H,11H-Cyclodeca[d][1,2,3]selenadiazole-8-carboxylic acid

The chair-shaped molecules in the crystal consist in two pairs of enantiomers with two conformations (ratio 1:3), differing only in the position of two ring carbon atoms.

The chair-shaped molecules in the title crystal, C₁₁H₁₆N₂O₂Se, consist of two pairs of enantiomers with two conformations (ratio 1:3), differing only in the position of two ring carbon atoms. Two molecules are connected via carboxylic acid hydrogen bridges.

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