L-asparagine

被引：28
|
作者：
Yamada, Kazuhiko
Hashizume, Daisuke
Shimizu, Tadashi
Yokoyama, Shigeyuki
机构：
[1] Natl Inst Mat Sci, Sakura, Ibaraki 305, Japan
[2] Genom Sci Ctr, Yokohama Inst, RIKEN, Prot Res Grp, Yokohama, Kanagawa 2300045, Japan
[3] RIKEN, Mol Character Team, Wako, Saitama 351, Japan
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2007年 / 63卷
关键词：
D O I：
10.1107/S1600536807039505
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Crystals of anhydrous L-aspargine, C4H8N2O3, were obtained from a saturated aqueous solution. The molecules are in their zwitterionic form. Although the carboxyl group is deprotonated, the distances of the two C - O bonds are significantly different [1.2407 (19) and 1.262 (2) angstrom], due to different hydrogen-bond environments. The conformation of the side chain is trans, which distinguishes it significantly from that of L-asparagine monohydrate.
引用
收藏
页码：O3802 / U2965
页数：10
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