2 Interpenetrating 3D Networks Which Generate Spacious Sealed-Off Compartments Enclosing of the Order of 20 Solvent Molecules in the Structures of Zn(CN)(NO3)(Tpt)(2/3)Center-Dot-Solv (Tpt=2,4,6-Tri(4-Pyridyl)-1,3,5-Triazine, Solv=similar-to-3/4C(2)H(2)Cl(4)Center-Dot-3/4Ch(3)Oh or Similar-to-3/2Chcl(3)Center-Dot-1/3Ch(3)Oh)