Syntheses and Crystal Structures of Four Cobalt Supramolecular Architectures with Hmtyaa Ligand

Four cobalt supramolecular architectures with Hmtyaa (2-(5-methyl-1,3,4-thiadiazol-2-ylthio)acetie acid)ligand have been synthesized. [Co(mtyaa)2(H2O)4]·4(H2O)(1): triclinic, space group P1 with a=6.7537(18), b=8.591(2), c=0.615(3)A,α=96.495(4),β= 99.955(5), γ= 103.615(5)°, V= 581.9(3)A3,Z=1,Mr= 581.52, Dc = 1.659 g/m3,μ = 1.158 mm-1,F(000)= 301, Rint = 0.0557, R = 0.0377 and wR = 0.1056 for 1854 observed reflections with I>2σ(I); {[Co(4,4'-bipy)(H2O)4]·2(mtyaa)·2(H2O)}n (2): triclinic, space group P1 with a = 7.669(2), b = 8.840(3), c = 11.521(4)A, α= 79.912(5), β= 73.954(5), γ= 86.612(6)°, V= 738.9(4)A3, Z= 1, Mr = 701.67, Dc = 1.577 g/m3,μ = 0.924 mm-1, F(000)= 363, Rint = 0.0636, R = 0.0498 and wR = 0.1311 for 2155 observed reflections with I>2σ(I); {[Co(4,4'-bipy)(mtyaa)(H2O)3](mtyaa)·2(H2O)} (3): monoclinic, space group Pc with a = 7.7832(17), b = 11.527(3), c = 31.483(7)A, β = 91.952(4)°, V= 2822.9(11)A3, Z= 4, Mr= 683.65, Dc = 1.609 g/m3,μ= 0.963 mm-1, F(000)= 1412, Rint = 0.0758, R = 0.0609 and wR = 0.1095 for 5841 observed reflections with I 2σ(I); {[Co(bpe)(mtyaa)2(H2O)2]}n (4): monoclinic, space group C2/c with a = 19.290(11), b = 12.027(7), c = 14.865(8)A, β = 125.648(8)°, V= 2802(3)A3, Z = 4, Mr= 657.66, Dc = 1.559 g/m3,μ = 0.959 mm-1, F(000)= 1356, Rint = 0.0456, R = 0.0332 and wR = 0.0985 for 2299 observed reflections with I>2σ(I).