title: Redetermination of (6R,7S,9S,11S)-(-)-sparteinium monoperchlorate.
abstract: The structure of the title compound, C(15)H(27)N(2)(+).ClO(4)(-), consists of a monoprotonated sparteinium cation and a perchlorate anion. The two tertiary N atoms of the cation, one perchlorate O atom and a H atom form a bifurcated hydrogen bond, the four hydrogen-bonding atoms being nearly in the same plane.
authors.affiliation: Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Pusan 609-735, South Korea. yomlee@pusan.ac.kr
authors.forename: Yong Min
authors.initials: YM
authors.lastname: Lee
authors.forename: Yoon Bo
authors.initials: YB
authors.lastname: Shim
authors.forename: Seung Jae
authors.initials: SJ
authors.lastname: Lee
authors.forename: Sung Kwon
authors.initials: SK
authors.lastname: Kang
authors.forename: Sung Nak
authors.initials: SN
authors.lastname: Choi