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
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.
