SYNTH ESIS, CRYSTAL AND MOLECULAR-STRUCTURE AND MAGNETIC-PROPERTIES OF BIS[(MU-HYDROXO)BIS(MU-2,5-DIAMINO-1,3,4-THIADIAZOLE-N-1, N-2-CHLOROAQUA(2,5-DIAMINO-1,3,4-THIADIAZOLE-N-1)COBALT(II)-O,N-1, N-1]-COBALT(II) DICHLORIDE DIHYDRATE