Inorganic Chemistry, Vol.36, No.20, 4593-4595, 1997
Alkylammonium hexachlorometalates .5. Bis(1,6-diammoniohexane) tetraaquahydrogen(1+) hexachlororhodate(III) dichloride, [H3N(CH2)(6)NH3](2)[H9O4] [RhCl6]Cl-2: Chain-like [H9O4](+) ions enclosed in the cavities of a complex organic-inorganic framework