AM_Na[(UO2)4O2(OH)5](H2O)2 Formula: Na U4 O17 H9 Name: Na[(UO2)4O2(OH)5](H2O)2 Unit cell: 8.0746 8.4633 11.2191 80.398 87.492 71.308 , V=716.04 Space group: P-1 (2)

Burns P C , Deely K M , The Canadian Mineralogist , 40 (2002) p.1579-1586, A topologically novel sheet of uranyl pentagonal bipyramids, in the structure of Na[(UO2)4O2(OH)5](H2O)2