2,2,4,4-TETRAKIS(3,5-DIMETHYLPYRAZOL-1-YL)-2-LAMBDA(5),4-LAMBDA(5),6-LAMBDA(5)-CYCLOTRIPHOSPHAZA-1,3,5-TRIENE-6-SPIRO-2'-1',3'-DIAZA-2'-PHOSPHA-CYCLOHEXANE, C23H36N13P3

被引：2

作者：

CORDES, AW ^{[1
]}

FOLKERT, S ^{[1
]}

BRYAN, CD ^{[1
]}

CHANDRASEKHAR, V ^{[1
]}

THOMAS, KRJ ^{[1
]}

机构：

[1] INDIAN INST TECHNOL, DEPT CHEM, KANPUR 208016, UTTAR PRADESH, INDIA

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 1994年 / 50卷

关键词：

D O I：

10.1107/S0108270194007006

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The title phosphazene, P(3)N(3)R(4)XX, where R is 3,5-dimethylpyrazole and XX is a spiro-bonded -NH- CH2CH2CH2NH- ring, has P-N bonds of 1.554 (5)-1.614 (5) Angstrom in the phosphazene ring with exocylic bonds of 1.609 (5) and 1.635 (5) Angstrom to the spiro ring and 1.683 (4)-1.708 (5) Angstrom to the pyrazole groups. The N-P-N angle within the phosphazene ring at the unique P atom is 6.9 (3)degrees smaller than those at the other P atoms. One of the pyrazole-substituted P atoms is displaced by 0.252 (5) Angstrom from the best plane of the other five ring atoms, which are coplanar to within 0.087 (6) Angstrom. The -PNCCCN- ring conformation is intermediate between a boat and a twist-boat.

引用

页码：1976 / 1978

页数：3

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