A chiral 3D metal-organic framework [CdL].DMSO'H20 (1) was constructed by an N-methyl substituted salan ligand (H2L), and characterized by elemental analyses, IR, TGA, powder XRD and single-crystal X-ray crystall...A chiral 3D metal-organic framework [CdL].DMSO'H20 (1) was constructed by an N-methyl substituted salan ligand (H2L), and characterized by elemental analyses, IR, TGA, powder XRD and single-crystal X-ray crystallography. 1 crystallizes in the chiral hexagonal space group P6522 with a = b = 12.2175(3), c = 51.450(3) A, V= 6650.9(4) A3, Z = 6, Mr = 883.45, Dc = 1.323 g.cm-3, F(000) = 2760, 2(CuKa) = 1.54178 A,β = 4.771 mm-1, GOOF = 1.041, R = 0.0313 for 3901 observed reflections with I 〉 20(/) and wR = 0.0773.1 consists of three identical sets of independent 3D frameworks interpenetrated with each other. In each set of such 3D frameworks, one half of the monomer (CdL)1/2 as the building unit forms double antiparrel helical chains which are further bridged together by other (CdL)1/2 units from adjacent helical chains. All CdL units in 1 adopt A geometry. DMSO and water guest molecules are found in the gap of the interpenetrated frameworks.展开更多
基金supported by NSFC-21025103 and 21371119"973"Programs(2014CB932102 and 2012CB8217)Shanghai Science and Technology Committee(10DJ1400100 AND 12XD1406300)
文摘A chiral 3D metal-organic framework [CdL].DMSO'H20 (1) was constructed by an N-methyl substituted salan ligand (H2L), and characterized by elemental analyses, IR, TGA, powder XRD and single-crystal X-ray crystallography. 1 crystallizes in the chiral hexagonal space group P6522 with a = b = 12.2175(3), c = 51.450(3) A, V= 6650.9(4) A3, Z = 6, Mr = 883.45, Dc = 1.323 g.cm-3, F(000) = 2760, 2(CuKa) = 1.54178 A,β = 4.771 mm-1, GOOF = 1.041, R = 0.0313 for 3901 observed reflections with I 〉 20(/) and wR = 0.0773.1 consists of three identical sets of independent 3D frameworks interpenetrated with each other. In each set of such 3D frameworks, one half of the monomer (CdL)1/2 as the building unit forms double antiparrel helical chains which are further bridged together by other (CdL)1/2 units from adjacent helical chains. All CdL units in 1 adopt A geometry. DMSO and water guest molecules are found in the gap of the interpenetrated frameworks.