The crystalline structures of some calcium,strontium,barium,zinc,cadmium and lead soaps of palmitic,myristic,lauric,capric and caprulic acid were studied by Xray diffraction.It was shown that these metal soaps all h...The crystalline structures of some calcium,strontium,barium,zinc,cadmium and lead soaps of palmitic,myristic,lauric,capric and caprulic acid were studied by Xray diffraction.It was shown that these metal soaps all have stratified crystalline structures with the crystal layer formed from a plane layer of metal ions combined with two layers of fully extended zigzag chains of fatty acid radicals arranged parallelly each other on its both sides.In the crystal layers of these metal soaps,the molecular axes are inclined to the crystal faces.In different metal soaps,the molecular axes have different degrees of inclination,but some progressive change patterns could have be found.展开更多
文摘The crystalline structures of some calcium,strontium,barium,zinc,cadmium and lead soaps of palmitic,myristic,lauric,capric and caprulic acid were studied by Xray diffraction.It was shown that these metal soaps all have stratified crystalline structures with the crystal layer formed from a plane layer of metal ions combined with two layers of fully extended zigzag chains of fatty acid radicals arranged parallelly each other on its both sides.In the crystal layers of these metal soaps,the molecular axes are inclined to the crystal faces.In different metal soaps,the molecular axes have different degrees of inclination,but some progressive change patterns could have be found.