Herein,the syntheses of[{Au(^(9)N-adeninate)}_(2)(μ-dmpe)](2,dmpe=1,2-bis(dimethylphosphino)ethane)and its chloride precursor[(AuCl)_(2)(μ-dmpe)](1)are described.X-ray diffraction of 2 reveals a short intramolecular...Herein,the syntheses of[{Au(^(9)N-adeninate)}_(2)(μ-dmpe)](2,dmpe=1,2-bis(dimethylphosphino)ethane)and its chloride precursor[(AuCl)_(2)(μ-dmpe)](1)are described.X-ray diffraction of 2 reveals a short intramolecular aurophilic interaction(2.9921(7)Å),which is present even when 2 crystallizes from its own hydrometallogel(3.0512(3)Å).This interaction is demonstrated by TD-DFT calculations to be participating in the intense blue phosphorescence that 2 displays in the solid state and,presumably,also in the hydrogel one.Finally,as complex 2 could be understood as a formal dimer of LMWG[Au(^(9)N-adeninate)(PMe_(3))](3),the hydrogelation of the former is examined,with special regard to its optical,rheological and quasielastic neutron scattering properties,which are compared to those of 3.展开更多
Ⅰ. INTRODUCTION It is well known that, in general, ligands of coordination compounds are Lewis bases, conjugated systems containing unsaturated bonds and those atoms or atomic groups which can bind to metal centers d...Ⅰ. INTRODUCTION It is well known that, in general, ligands of coordination compounds are Lewis bases, conjugated systems containing unsaturated bonds and those atoms or atomic groups which can bind to metal centers directly. However, recently there are展开更多
基金the DGI MICINN/FEDER(project number PID2019-104379RB-C22(AEI/FEDER,UE))MCIU/FEDER(project number ECQ2018-004082(AEI/FEDER,UE))for financial support,Laboratorio de Microscopías Avanzadas,Instituto de Nanociencia de Aragón for cryo-STEM facilities+1 种基金MIU(former MECD)for the concession of a FPU grantfunding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No.665593 awarded to the Science and Technology Facilities Council.
文摘Herein,the syntheses of[{Au(^(9)N-adeninate)}_(2)(μ-dmpe)](2,dmpe=1,2-bis(dimethylphosphino)ethane)and its chloride precursor[(AuCl)_(2)(μ-dmpe)](1)are described.X-ray diffraction of 2 reveals a short intramolecular aurophilic interaction(2.9921(7)Å),which is present even when 2 crystallizes from its own hydrometallogel(3.0512(3)Å).This interaction is demonstrated by TD-DFT calculations to be participating in the intense blue phosphorescence that 2 displays in the solid state and,presumably,also in the hydrogel one.Finally,as complex 2 could be understood as a formal dimer of LMWG[Au(^(9)N-adeninate)(PMe_(3))](3),the hydrogelation of the former is examined,with special regard to its optical,rheological and quasielastic neutron scattering properties,which are compared to those of 3.
基金Project supported by the Science Fund of Chinese Universities
文摘Ⅰ. INTRODUCTION It is well known that, in general, ligands of coordination compounds are Lewis bases, conjugated systems containing unsaturated bonds and those atoms or atomic groups which can bind to metal centers directly. However, recently there are