Vernekar, Beena K.2024-11-272024-11-272019International Journal of Innovative Technology and Exploring Engineering (IJITEE). 9(2S3 ); 2019; 347-351.2278-307510.35940/ijitee.B1084.1292S319https://www.ijitee.org/portfolio-item/b10841292s319/http://khandolacollege.ndl.gov.in/handle/123456789/86Aqueous reaction of Zn(II) and Mn(II) salts with ammonium tetrasulfidometalate (NH4)2[MS4] (M = Mo, W) in the presence of ammonia or ethane 1,2-diamine (en) or propane 1,2-diamine (1,2-pn) results in the formation of [M'(L)n][MS4] (M’ = Zn or Mn; L = NH3 or en or 1,2-pn). Using this strategy, Mn doped Zn complex of formula [Zn0.99Mn0.01(en)3][MS4], which exhibits characteristic hyperfine ESR spectra have been synthesized. The synthetic aspects, spectral and thermal characterization are described.enArticle