Citation: Zhu, Y.T.; Mueller, F.M.; Peterson, E.J.; Baldonado, P.S.; Coulter, J.Y.; Peterson, D.E. (1999). Synthesis and crystal chemistry of the new compounds Gd Ba4 Cu3 O8.5+d and Dy Ba4 Cu3 O8.5+d. Journal of Materials Research, 14, pp. 334-339.
Formula: Ba4 Cu3 Gd O9.18
Chemical name: Gd Ba4 Cu3 O9.18
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Cu6 Gd2 O24 (Cu3 Gd O12)
Multiplicity: 1
Coordination sequences: