üIntroduction( adsorption,hetrofulleren , toxic gases & Non-toxic gases ) üWhy choose toxic gases & Non-toxic gases ? üWhat is sensing's? üWhat is computational chemistry? üWhat is softwears ( gaussian,gauss view) üMethod & Basisset üCalculated parameters üAdsorption gases,HOMO -LUMO parameters( soft,electrofilisity , Enargy gap,…) ü &nb ...