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Supramolecular graphyne: a C(sp)-H...N hydrogen-bonded unique network structure of 2,4,6-triethynyl-1,3,5-triazine
Masakazu Ohkita1, Miki Kawano, Takanori Suzuki
1Department of Applied Chemistry, Faculty of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan. ohkita@ach.nitech.ac.jp
Chemical Communications (Cambridge, England)
|January 23, 2003
Abstract:
The crystallization of 2,4,6-triethynyl-1,3,5-triazine (2) leads to a pi-stacked layered structure of a C(sp)-H...N hydrogen-bonded unique hexagonal network structure, which may be regarded as a supramolecular analogue of a hitherto unknown graphyne network: in-plane intermolecular interactions are short and linear H...N contacts (2.31 and 2.34 A) and the interlayer separation is 3.23 A.