Four three-dimensional lanthanide coordination polymer constructed from benzene-1,4-dioxydiacetic acid

Four crystalline lanthanide(III) three-dimensional (3D) coordination polymers {[La(BDOA)1.5(H2O)] · H2O}n (1), {[Nd(BDOA)1.5(H2O)] · H2O}n (2), [Tm(BDOA)1.5(H2O)]n (3), [Yb(BDOA)1.5(H2O)]n (4) were obtained under hydrothermal conditions.