%0 Journal Article %T 6,10,16,19-Tetraoxatrispiro[4.2.2.4.2.2]nonadecane %A Ji-Kui Wang %A Hai-Bo Wang %A Cong-Ren Wu %A Jin-Tang Wang %J Acta Crystallographica Section E %D 2008 %I International Union of Crystallography %R 10.1107/s1600536808001785 %X The asymmetric unit of the title compound, C15H24O4, contains one half-molecule; a twofold rotation axis passes through the central C atom. The non-planar six- and five-membered rings adopt chair and envelope conformations, respectively. In the crystal structure, intermolecular C¡ªH...O hydrogen bonds link the molecules. %U http://scripts.iucr.org/cgi-bin/paper?S1600536808001785