Unusual ⋯HNC2O⋯HCnO, n = 1 or 2, synthons predominate in the molecular packing of one-dimensional coordination polymers, Cd[S2P(OR)2]2(3LH2)n, for R = Me and Et, but are precluded when R = i-Pr; 3LH2 = N,N′-bis(3-pyridylmethyl)oxalamide | Publicación