Citation: Domenges, B; Hervieu, M; Raveau, B (1993). Ordered substitution of "CO~3~" groups for CuO~4~ square groups in the "123" structure. The oxycarbonate Y~4~Sr~8~Cu~11~CO~3~O~25~, n=4 member of the series Y~n~Sr~2n~Cu~3n-1~CO~3~O~7n-3~. Physica C (Amsterdam) (152,1988-), 207, pp. 65-78.
Formula: C Cu11 O28 Sr8 Y4
Chemical name:Yttrium strontium copper carbonate oxide (4/8/11/1/25)