Lewis acidity of Ph2SbX3, where X=Cl or Br. Crystal structures of Ph2SbCl3*H2O and Ph2SbBr3*MeCN

Article abstract of DOI:10.1016/0022-328X(89)85281-7

Diphenylantimony trichloride and tribromide are weak Lewis acids forming 1/1 addition compounds with acetonitrile which rapidly lose coordinated nitrile at room temperature.The structure of Ph2SbBr3*MeCN has been determined; the acetonitrile, antimony, an