Chem. J. Chinese Universities ›› 1990, Vol. 11 ›› Issue (3): 302.

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Studies on the Synthesis and Structure of Compound [H(napyo)2]ClO4

Gan Xinmin, Wang Xin, Li Songlin, Tang Ning, Tan Minyu   

  1. Department of Chemistry, Lanzhou University, Lanzhou
  • Received:1988-05-31 Online:1990-03-24 Published:1990-03-24

Abstract: The single crystal of compound [H(napyo)2]ClO4(napyo is 1,8-naphthyridine-N-oxide) was prepared in methanol medium. The crystal is a monoclinic system with space group P21/c. The unit cell parameters are: a=15. 602(2)Å, b=13.027(1)Å. c=8. 231(2) Å ,β=96. 47(1)°, Z=4. The proton in the compound is bonded to two oxygen atoms of two napyo by the strong hydrogen bond. Both the H-Obonds are 1. 21 Å in length. CNDO/2 calculation of charge density and Wiberg bond order for the compound yield the results consistent with the crystallographic data.

Key words: 1,8-Naphthyridine-N-oxide, Proton, Strong hydrogen bond

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