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Dichloro(l,5-cyclooctadiene)platinum(II) is  a  white,  air-stable  solid.  The compound  is  slightly soluble in  solvents  such as chloroform,  acetic  acid,
sulfolane  (tetrahydrothiophene  1,l-dioxide),  and  nitromethane.  It  decomposes  slowly  on dissolution  in dimethyl  sulfoxide. The  PtMR spectrum  of  the
compound  in chloroform  shows resonances at ~4.38, J (Pt H) =  65 Hz for  the olefinic protons and  T  7.29  for  the  methylene protons. The infrared spectrum
in Nujol  has strong  absorption  maxima at 1334, 1179, 1009,  871,  834,  and 782  cm-'.
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