In this work,titanium-capped cobalt clathrochelates have been applied as secondary building units(SBUs) fo r the construction of supramolecular rings.Two heterometallic wheel-like [Ti_(6) Co_(12)] complexes based on c...In this work,titanium-capped cobalt clathrochelates have been applied as secondary building units(SBUs) fo r the construction of supramolecular rings.Two heterometallic wheel-like [Ti_(6) Co_(12)] complexes based on cobalt clathrochelates,[C_(6)H_(15)N_(4)]_(2)[TiCo_(2)(μ_(2)-Oipr)(Oipr)_(2)(Dmg)_(3)]_(6)(2,Dmg=dimethy[glyoxime) and H_(6)[TiCo_(2)(μ_(2)-Oipr)(Oipr)_(2)(Dmg)_(3)]_(6)(3),have been successfully synthesized and characterized.The supramolecular stacking modes of these wheels are largely dependent on the applied synthetic conditions,which further impact their gas adsorption properties.展开更多
A novel binuclear copper (Ⅱ) complex,namely [Cu 2｛Ph 3P(CH 2) 2CO 2｝ 4(NO 3) 2]·(NO 3) 2 1,has been synthesized from the reaction of Cu(NO 3) 2·4H 2O with Ph 3P +(CH 2) 2CO - 2 L.The si...A novel binuclear copper (Ⅱ) complex,namely [Cu 2｛Ph 3P(CH 2) 2CO 2｝ 4(NO 3) 2]·(NO 3) 2 1,has been synthesized from the reaction of Cu(NO 3) 2·4H 2O with Ph 3P +(CH 2) 2CO - 2 L.The single crystal X ray structural analysis of 1 indicates that the compound crystallizes in space group P1(No.2) with a=12.652(3),b=18.983(4),c=9.102(3),α=97.26(2)°,β=107.38(2)°,γ=102.22(2)° and Z=1.In complex 1,a pair of Cu(Ⅱ) atoms are bridged by carboxylate groups of four ligand molecules with a Cu…Cu distance of 2.738 to form a tetrakis (carboxylato O,O) bridge dimetal core,and the apical coordination positions are occupied by monodentate nitrato anions,which is rare in the structures of similar Cu(Ⅱ) complexes in which the apical ligands are usually neutral molecules.The result shows that introducing the anionic ligands into the coordination sphere of the Cu(Ⅱ) atom significantly increases the Cu…Cu distance.展开更多
基金supported by the National Natural Science Foundation of China (NSFC,Nos.21673238 and 21922111)the Strategic Priority Research Program of the Chinese Academy of Sciences (No.XDB20000000)。
文摘In this work,titanium-capped cobalt clathrochelates have been applied as secondary building units(SBUs) fo r the construction of supramolecular rings.Two heterometallic wheel-like [Ti_(6) Co_(12)] complexes based on cobalt clathrochelates,[C_(6)H_(15)N_(4)]_(2)[TiCo_(2)(μ_(2)-Oipr)(Oipr)_(2)(Dmg)_(3)]_(6)(2,Dmg=dimethy[glyoxime) and H_(6)[TiCo_(2)(μ_(2)-Oipr)(Oipr)_(2)(Dmg)_(3)]_(6)(3),have been successfully synthesized and characterized.The supramolecular stacking modes of these wheels are largely dependent on the applied synthetic conditions,which further impact their gas adsorption properties.
文摘A novel binuclear copper (Ⅱ) complex,namely [Cu 2｛Ph 3P(CH 2) 2CO 2｝ 4(NO 3) 2]·(NO 3) 2 1,has been synthesized from the reaction of Cu(NO 3) 2·4H 2O with Ph 3P +(CH 2) 2CO - 2 L.The single crystal X ray structural analysis of 1 indicates that the compound crystallizes in space group P1(No.2) with a=12.652(3),b=18.983(4),c=9.102(3),α=97.26(2)°,β=107.38(2)°,γ=102.22(2)° and Z=1.In complex 1,a pair of Cu(Ⅱ) atoms are bridged by carboxylate groups of four ligand molecules with a Cu…Cu distance of 2.738 to form a tetrakis (carboxylato O,O) bridge dimetal core,and the apical coordination positions are occupied by monodentate nitrato anions,which is rare in the structures of similar Cu(Ⅱ) complexes in which the apical ligands are usually neutral molecules.The result shows that introducing the anionic ligands into the coordination sphere of the Cu(Ⅱ) atom significantly increases the Cu…Cu distance.
