Citation: McDonald, T. R. R.; Spink, Jenifer M. (1967). The crystal structure of a double oxalate of yttrium and ammonium, NH~4~Y(C~2~O~4~)~2~.H~2~O. Acta Crystallographica, 23, pp. 944-949.
Formula: C4 H6 N O9 Y
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;0;1)
Dimensionality: 2
Formula: C8 O18 Y2 (C4 O9 Y)
Multiplicity: 1