The title complex [NH4]n [WAgS4]n crystallizes in the tetragonalspace group I4 with crystallographic parameters: a = b = 7. 994 (2 ), c = 5. 855 (2 ):A,V = 373.
The tricyclic compoun d (2) C20H28O6 has been synthesized through thereaction of IMDA. The crystals of the title compound(2A) were crystallized from etherin mon