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Communication | Special issue | Vol 70, No. 1, 2006, pp.83-86
Published online, 15th September, 2006
DOI: 10.3987/COM-06-S(W)21
Crystal Structures of N,N’-Bis(1-naphthylmethyl)-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane Complexed with Lithium and Zinc Thiocyanates

Kanji Kubo,* Tadamitsu Sakurai, Hajime Takahashi, and Haruko Takechi

*School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Hokkaido 061-0293, Japan


The crystal structures of N,N‘-bis(1-naphthylmethyl)- 4,13-diaza-18-crown-6 (1) complexed with LiNCS and Zn(NCS)2 were analyzed by X-Ray crystallography. Diazacrown (1) formed a unique 1:2 complex with LiNCS, while Zn(NCS)2 complex of 1 consisted of an ion pair with [Zn(NCS)4]2- and 1·2H+. The two naphthalene rings in the crystals adopt an anti conformation with respect to each other.