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
收藏
页码：1976 / 1978
页数：3
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