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Acta Cryst. (2007). E63, m1720-m1721  [ doi:10.1107/S1600536807024270 ]

Aqua[7,11:19,23-dinitrilo-1,5,13,17-tetraazacyclotetracosa-1(24),5,7,9,12,17,20,22-octaene]bis(perchlorato-[kappa]2O,O')barium(II) monohydrate

R. Dennett, L. James and V. McKee

Abstract: The title complex, [Ba(ClO4)2(C20H22N6)(H2O)]·H2O, contains an 11-coordinate barium ion, coordinated by a folded hexadentate macrocycle, two bidentate perchlorate anions and a water molecule. The coordinated water molecule and one of the perchlorate anions are disordered about a twofold axis running through the complex. Hydrogen-bonded sheets are linked in the third dimension by [pi]-[pi] stacking (the mean interplanar distance is 3.441 Å).

Online 26 May 2007

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