Structural diversity, but no polymorphism, in a homologous family of co-crystals of urea and α,ω-dihydroxyalkanes

被引：22

作者：

Marti-Rujas, Javier ^{[1
]}

Kariuki, Benson M. ^{[1
]}

Hughes, Colan E. ^{[1
]}

Morte-Rodenas, Anabel ^{[1
]}

Guo, Fang ^{[1
]}

Glavcheva-Laleva, Zornitza ^{[1
]}

Tastemuer, Kemal ^{[1
]}

Ooi, Li-ling ^{[1
]}

Yeo, Lily ^{[2
]}

Harris, Kenneth D. M. ^{[1
]}

机构：

[1] Cardiff Univ, Sch Chem, Cardiff CF10 3AT, S Glam, Wales

[2] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England

来源：

NEW JOURNAL OF CHEMISTRY | 2011年 / 35卷 / 07期

关键词：

THIOUREA INCLUSION-COMPOUNDS; HYDROGEN-BOND PATTERNS; 1-1 LAYERED COMPLEXES; GRAPH-SET ANALYSIS; X-RAY-DIFFRACTION; BUILDING-BLOCKS; ACID-UREA; NEUTRON-DIFFRACTION; TUNNEL STRUCTURES; ORGANIC-CRYSTALS;

D O I：

10.1039/c1nj20040b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A family of stoichiometric (2 : 1 molar ratio) co-crystals formed between urea and alpha,omega-dihydroxyalkanes of even chain length [HO(CH2)(n)OH, n = 2m, m = 3-8] is shown to exhibit three well-defined structure types, which are rationalized on the basis of specific hydrogen-bonding motifs. In spite of the structural diversity observed for different alpha,omega-dihydroxyalkane chain lengths, there is no evidence that any member of this family of co-crystals exhibits polymorphism (i.e. none of the alpha,omega-dihydroxyalkane/urea systems is observed to exist in more than one of the well-defined co-crystal structure types).

引用

页码：1515 / 1521

页数：7

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