Dithiosquarate (dtsq) complexes of nickel(II). Syntheses and crystal structures of [Ni(phen)2(1,2-dtsq)]·3.5H2O, [Ni(phen)2(1,3-dtsq)] and [Ni(tren)(1,2-dtsq)] [phen=1,10-phenanthroline; tren=tris(2-aminoethyl)amine]

1. Calatayud, M.L.
2. Sletten, J.
3. Castro, I.
4. Julve, M.
5. Seitz, G.
6. Mann, K.