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本文引用的文献

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Dipyridinium dichromate: an achiral compound forming chiral crystals.重铬酸联吡啶鎓：一种形成手性晶体的非手性化合物。
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Structure validation in chemical crystallography.化学晶体学中的结构验证
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Spontaneous resolution, whence and whither: from enantiomorphic solids to chiral liquid crystals, monolayers and macro- and supra-molecular polymers and assemblies.自发拆分的起源与去向：从对映体固体到手性液晶、单分子层以及宏观和超分子聚合物与聚集体。
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The Cambridge Structural Database: a quarter of a million crystal structures and rising.剑桥结构数据库：拥有二十五万个晶体结构且数量不断增加。
Acta Crystallogr B. 2002 Jun;58(Pt 3 Pt 1):380-8. doi: 10.1107/s0108768102003890. Epub 2002 May 29.
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Synthesis and characterization of uranyl compounds with iminodiacetate and oxydiacetate displaying variable denticity.
Inorg Chem. 2002 May 20;41(10):2799-806. doi: 10.1021/ic020121v.

二吡啶鎓、双（2-甲基吡啶鎓）、双（3-甲基吡啶鎓）和双（4-甲基吡啶鎓）双氧双（氧化二乙酸根）铀酰（VI）中的氢键网络结构

Hydrogen-bonded network structures in dipyridinium, bis(2-methylpyridinium), bis(3-methylpyridinium) and bis(4-methylpyridinium) dioxidobis(oxydiacetato)uranate(VI).

作者信息

Lennartson Anders, Håkansson Mikael

机构信息

Department of Physics and Chemistry, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.

出版信息

Acta Crystallogr C. 2010 Mar;66(Pt 3):m69-74. doi: 10.1107/S0108270109053839. Epub 2010 Feb 3.

DOI:10.1107/S0108270109053839
PMID:20203398
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2855580/
Abstract

Four complexes containing the UO(2)(oda)(2) anion (oda is oxydiacetate) are reported, namely dipyridinium dioxidobis(oxydiacetato)uranate(VI), (C(5)H(6)N)(2)[U(C(4)H(4)O(5))(2)O(2)], (I), bis(2-methylpyridinium) dioxidobis(oxydiacetato)uranate(VI), (C(8)H(8)N)(2)[U(C(4)H(4)O(5))(2)O(2)], (II), bis(3-methylpyridinium) dioxidobis(oxydiacetato)uranate(VI), (C(8)H(8)N)(2)[U(C(4)H(4)O(5))(2)O(2)], (III), and bis(4-methylpyridinium) dioxidobis(oxydiacetato)uranate(VI), (C(8)H(8)N)(2)[U(C(4)H(4)O(5))(2)O(2)], (IV). The anions are achiral and are located on a mirror plane in (I) and on inversion centres in (II)-(IV). The four complexes are assembled into three-dimensional structures via N-H...O and C-H...O interactions. Compounds (III) and (IV) are isomorphous; the UO(2)(oda)(2) anions form a porous matrix which is nearly identical in the two structures, and the cations are located in channels formed in this matrix. Compounds (I) and (II) are very different from (III) and (IV): (I) forms a layered structure, while (II) forms ribbons.

摘要

报道了四种含有UO(2)(oda)(2)阴离子（oda为氧化二乙酸根）的配合物，即二吡啶二氧代双(氧化二乙酸根)铀(VI)，(C(5)H(6)N)(2)[U(C(4)H(4)O(5))(2)O(2)]，(I)；双(2-甲基吡啶鎓)二氧代双(氧化二乙酸根)铀(VI)，(C(8)H(8)N)(2)[U(C(4)H(4)O(5))(2)O(2)]，(II)；双(3-甲基吡啶鎓)二氧代双(氧化二乙酸根)铀(VI)，(C(8)H(8)N)(2)[U(C(4)H(4)O(5))(2)O(2)]，(III)；以及双(4-甲基吡啶鎓)二氧代双(氧化二乙酸根)铀(VI)，(C(8)H(8)N)(2)[U(C(4)H(4)O(5))(2)O(2)]，(IV)。阴离子为非手性，在(I)中位于镜面，在(II)-(IV)中位于反演中心。这四种配合物通过N-H...O和C-H...O相互作用组装成三维结构。化合物(III)和(IV)是同构的；UO(2)(oda)(2)阴离子形成一个多孔基质，在这两种结构中几乎相同，阳离子位于该基质中形成的通道中。化合物(I)和(II)与(III)和(IV)非常不同：(I)形成层状结构，而(II)形成带状结构。