Syntheses, crystal structures and magnetic properties of [Ni2(C2O4)-(tren)2][ClO 4]2 and [Ni2(C4O4)(tren)2(H 2O)2][ClO4]2 [tren = tris(2-amino-ethyl)amine]

1. Castro, I.
2. Calatayud, M.L.
3. Sletten, J.
4. Lloret, F.
5. Julve, M.