CCDC: 2105760, Central atoms: B:U; W:Se, Formula: H4 O18 Se3 U2, 2(H2 O), 2(C4 H5 N2)ICSD: 155672, CCDC: 1672273, Central atoms: B:U; W:Se, Formula: H12 O22 Rb2 Se3 U2