New solid complex of the antimony trichloride and dioxane was obtained th rough a reaction of the dioxane and the absolute methanol solution of the antimony trichloride.The formula of the complex is[SbCl_(3)·{(CH...New solid complex of the antimony trichloride and dioxane was obtained th rough a reaction of the dioxane and the absolute methanol solution of the antimony trichloride.The formula of the complex is[SbCl_(3)·{(CH_(2))_(4)O_(2)}_(1.5)].The crystal structure of the comple x belongs to cubic system,space group I-43d,a=17.1417(5)?,Z=16.The trivalent antimony ion not only bonds directly to three chlorine anions,but also is co ordinated by three oxygen atoms of th e dioxane molecules.Two oxygen atoms in a dioxane molecule wi ll coordinate to different antimony ions,respectively.展开更多
Pervaporation as a membrane technique of liquid mixtures separation has been rapidly developed recently. The separation process is as follows: the feed is placed in contact with upstream side of membrane, the downstre...Pervaporation as a membrane technique of liquid mixtures separation has been rapidly developed recently. The separation process is as follows: the feed is placed in contact with upstream side of membrane, the downstream side of the membrane is kept under vacuum or under a stream of inert gas. If one of the components of the liquid mixture can展开更多
The title complex was synthesized in aqueous solution, and its crystal structure was determined by X ray diffraction. The crystal is monoclinic, space group P2 1/n with a =1 1243(3) nm, b =2 4853(2) nm, ...The title complex was synthesized in aqueous solution, and its crystal structure was determined by X ray diffraction. The crystal is monoclinic, space group P2 1/n with a =1 1243(3) nm, b =2 4853(2) nm, c =1 2962(1) nm, β =95 08(1)°, V =3 608(1) nm 3, Z =4, D c=1 757 g/cm 3. Each of the erbium ion is coordinated by eight water molecules. The complex is of polymeric structure with the octaaqua erbium complex species connected by 1,4 dioxane moieties through hydrogen bonds.展开更多
文摘New solid complex of the antimony trichloride and dioxane was obtained th rough a reaction of the dioxane and the absolute methanol solution of the antimony trichloride.The formula of the complex is[SbCl_(3)·{(CH_(2))_(4)O_(2)}_(1.5)].The crystal structure of the comple x belongs to cubic system,space group I-43d,a=17.1417(5)?,Z=16.The trivalent antimony ion not only bonds directly to three chlorine anions,but also is co ordinated by three oxygen atoms of th e dioxane molecules.Two oxygen atoms in a dioxane molecule wi ll coordinate to different antimony ions,respectively.
基金Project supported by Developing Division of China Petrochemical Corporation
文摘Pervaporation as a membrane technique of liquid mixtures separation has been rapidly developed recently. The separation process is as follows: the feed is placed in contact with upstream side of membrane, the downstream side of the membrane is kept under vacuum or under a stream of inert gas. If one of the components of the liquid mixture can
文摘The title complex was synthesized in aqueous solution, and its crystal structure was determined by X ray diffraction. The crystal is monoclinic, space group P2 1/n with a =1 1243(3) nm, b =2 4853(2) nm, c =1 2962(1) nm, β =95 08(1)°, V =3 608(1) nm 3, Z =4, D c=1 757 g/cm 3. Each of the erbium ion is coordinated by eight water molecules. The complex is of polymeric structure with the octaaqua erbium complex species connected by 1,4 dioxane moieties through hydrogen bonds.