Citation: Garcia-Matres, E; Rodriguez-Carvajal, J; Martinez, J L; Alonso, J A; Salinas-Sanchez, A; Saez-Puche, R (1993). Polymorphism in the oxides R~2~NaNiO~5~ (R= Tm, Yb, Lu). Solid State Ionics, 63, pp. 915-921.
Formula: Ba Ni O5 Tm2
Chemical name: Dithulium barium nickel oxide
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ni2 O10 Tm4 (Ni O5 Tm2)
Multiplicity: 1
Coordination sequences: