Crystal engineering using very short and linear C(sp)-H•••N hydrogen bonds:: formation of head-to-tail straight tapes and their assembly into nonlinear optical polar crystals

被引：55

作者：

Ohkita, M ^{[1
]}

Suzuki, T

Nakatani, K

Tsuji, T

机构：

[1] Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600810, Japan

[2] Ecole Normale Super, Dept Chim, F-94235 Cachan, France

来源：

CHEMICAL COMMUNICATIONS | 2001年 / 16期

关键词：

D O I：

10.1039/b103689k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The crystallization of 4-ethynylpyridine (1) and 4-(4-ethynylphenyl)ethynylpyridine (2) leads to C(sp)-H . . .N hydrogen bonded straight tapes that further assemble into polar crystals, in the case of 2, and show intense powder SHG response, 8 times more efficient than crystalline urea.

引用

页码：1454 / 1455

页数：2

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