Crystal structure of hexaaquanickel(II) bis{2-[(5,6dihydroxy-3-sulfonatoquinolin-1-ium-7-yl) oxy]acetate} dihydrate

被引：1

作者：

Hai Le Thi Hong ^{[1
]}

Vinh Nguyen Thi Ngoc ^{[1
]}

Da Tran Thi ^{[1
]}

Ngan Nguyen Bich ^{[1
]}

Luc Van Meervelt ^{[2
]}

机构：

[1] Hanoi Natl Univ Educ, Dept Chem, 136 Xuan Thuy Cau Giay, Hanoi, Vietnam

[2] Katholieke Univ Leuven, Dept Chem, Celestijnenlaan 200F, B-3001 Heverlee, Belgium

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2015年 / 71卷

关键词：

crystal structure; quinoline; hydrogen bonding; pi-pi stacking; zwitterion;

D O I：

10.1107/S2056989015015662

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The asymmetric unit of the title compound, [Ni(H2O)(6)](C11H8NO8S)(2) center dot 2H(2)O, features a half-hexaaquanickel(II) complex cation with the Ni II ion on an inversion center, one deprotonated 5,6-dihydroxy-3-sulfoquinolin-7-yloxyacetic acid (QOH) molecule appearing in its zwitterionic form and one lattice water molecule. The sulfonate group is disordered over two positions with occupancy factors of 0.655 (5) and 0.345 (5). The hexaaquanickel(II) cation interacts through hydrogen bonding with eight QOH molecules and two water molecules. The six-membered rings of quinoline show pi-pi stacking [centroid-to-centroid distances of 3.679 (2) angstrom and 3.714 (2) angstrom].

引用

页码：1105 / +

页数：10

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