Crystal structure of the phosphinyl-stabilised ylide Me3NNP(=O)Ph2•H2O

被引：0

作者：

Muir, KW ^{[1
]}

Morris, DG ^{[1
]}

Innes, V ^{[1
]}

机构：

[1] Univ Glasgow, Dept Chem, Glasgow G12 8QQ, Lanark, Scotland

来源：

CROATICA CHEMICA ACTA | 1999年 / 72卷 / 2-3期

关键词：

X-ray structure; ylide; hydrogen bonding;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Crystals of trimethylammonio-P,P-diphenylphosphinamidate hydrate, Me3NNP(=O)Ph-2. H2O, are held together by hydrogen bonds which link two Me3NNP(=O)Ph2 and two water molecules to form a centrosymmetric O4H4 ring belonging to graph set R-4(2)(8). Each P=O oxygen atom can thereby act as acceptor to two hydrogen bonds, rather than to only one, as in the two-fold symmetric P=O...H-O-H...O=P motif commonly found in phosphine oxide hemihydrates. The unusual P-N bond in Me3NNP(=O)Ph-2 is short enough [1.614(3) Angstrom] to indicate some multiple character.

引用

页码：511 / 518

页数：8

共 22 条

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