Compound [Cd_（1.5）（ppt）Br_2（H_2O）]_（2n）（1）,where Hppt = 3-（pyridin-4-yl）-5-（pyrazin-2-yl）-1H-1,2,4-triazole,has been synthesized under hydrothermal conditions and characterized by elemental analysis,IR s...Compound [Cd_（1.5）（ppt）Br_2（H_2O）]_（2n）（1）,where Hppt = 3-（pyridin-4-yl）-5-（pyrazin-2-yl）-1H-1,2,4-triazole,has been synthesized under hydrothermal conditions and characterized by elemental analysis,IR spectra,powder XRD,and X-ray diffraction.Compound 1 crystallizes in the triclinic system,space group P1 with a = 7.4402（6）,b = 8.0570（7）,c = 12.8674（11） A,α = 89.7300（10）,β = 89.8570（10）,γ = 68.3910（10）°,V = 717.13（10） A^3,Z = 1,Dc = 2.638 g/cm^3,μ = 7.824 mm^-1,F（000） = 534,the final R = 0.0324 and w R = 0.1084 for 2324 observed reflections with I 〉 2σ（I）.X-ray diffraction analyses revealed that complex 1 is a 2D layered coordination polymer constructed from the linkage of [Cd_3（μ-Br）_4] trinuclear units with ppt-spacers,and a 3D supramolecular architecture is further assembled in 1 via hydrogen-bonding contacts.Fluorescence measurements show that 1 has medium fluorescent emission at 450 nm.展开更多
Metal clusters exhibit diverse structures,emerging functions,and applications;thus,incorporating clusters into metal–organic frameworks(MOFs)brings tremendous merits.Although the construction of cluster-based MOFs is...Metal clusters exhibit diverse structures,emerging functions,and applications;thus,incorporating clusters into metal–organic frameworks(MOFs)brings tremendous merits.Although the construction of cluster-based MOFs is sophisticated,the reticular materials constructed from a combination of the chemistry of metal clusters and covalent organic frameworks(COFs)remain unexplored.展开更多
基金supported by the National Natural Science Foundation of China(No.21271098)Science and Technology Research Key Project of the Education Department of Henan Province(No.14B150034)
文摘Compound [Cd_（1.5）（ppt）Br_2（H_2O）]_（2n）（1）,where Hppt = 3-（pyridin-4-yl）-5-（pyrazin-2-yl）-1H-1,2,4-triazole,has been synthesized under hydrothermal conditions and characterized by elemental analysis,IR spectra,powder XRD,and X-ray diffraction.Compound 1 crystallizes in the triclinic system,space group P1 with a = 7.4402（6）,b = 8.0570（7）,c = 12.8674（11） A,α = 89.7300（10）,β = 89.8570（10）,γ = 68.3910（10）°,V = 717.13（10） A^3,Z = 1,Dc = 2.638 g/cm^3,μ = 7.824 mm^-1,F（000） = 534,the final R = 0.0324 and w R = 0.1084 for 2324 observed reflections with I 〉 2σ（I）.X-ray diffraction analyses revealed that complex 1 is a 2D layered coordination polymer constructed from the linkage of [Cd_3（μ-Br）_4] trinuclear units with ppt-spacers,and a 3D supramolecular architecture is further assembled in 1 via hydrogen-bonding contacts.Fluorescence measurements show that 1 has medium fluorescent emission at 450 nm.
基金supported financially by the National Natural Science Foundation of China(nos.21731002,21975104,and 21901085)and the Guangdong Major Project of Basic and Applied Research(no.2019B030302009).G.-H.N.is thankful for the financial support from Guangdong Basic and Applied Basic Research Foundation(no.2019B151502024)Guangdong Province Pearl River Scholar Funded Scheme(2019),and the Fundamental Research Funds for the Central Universities(no.21619315).
文摘Metal clusters exhibit diverse structures,emerging functions,and applications;thus,incorporating clusters into metal–organic frameworks(MOFs)brings tremendous merits.Although the construction of cluster-based MOFs is sophisticated,the reticular materials constructed from a combination of the chemistry of metal clusters and covalent organic frameworks(COFs)remain unexplored.
