The reaction of[Co(PMe_(3))_(4)](1)with a redox-active NNN pincer ligand(L_(1))led us to isolate a unique binuclear cobalt complex([(PMe_(3))_(2)Co^(II)(L_(1)^(3−))CoI(PMe_(3))_(3)](2))anchored by a three-electron red...The reaction of[Co(PMe_(3))_(4)](1)with a redox-active NNN pincer ligand(L_(1))led us to isolate a unique binuclear cobalt complex([(PMe_(3))_(2)Co^(II)(L_(1)^(3−))CoI(PMe_(3))_(3)](2))anchored by a three-electron reduced L_(1)in its unusual coordination mode.Such an unprecedented binuclear pincer/allyl cobalt complex consisting of the mixed-valence oxidation state of cobalt ions(+1 and+2)is confirmed by various analytical techniques(XPS,EPR,and UV–vis),and the experimentally determined electronic structure is well corroborated by detailed theoretical studies based on DFT calculations.展开更多
基金the funding agencies SERB(CRG/2019/004185 and SPR/2019/001145)CSIR(01(2933)/18/EMR-II),and IIT Bombay for their financial support+1 种基金GR would like to thank DST and SERB(CRG/2018/00430,DST/CSA-03/2018-10SB/SJF/2019-20/12)for funding.PK would like to thank CSIR,DAAD and SERB for funding.AS would like to thank CSIR.PK and AS also thank the Department of Chemistry,IIT Bombay,for the instrumentation and server facilities.
文摘The reaction of[Co(PMe_(3))_(4)](1)with a redox-active NNN pincer ligand(L_(1))led us to isolate a unique binuclear cobalt complex([(PMe_(3))_(2)Co^(II)(L_(1)^(3−))CoI(PMe_(3))_(3)](2))anchored by a three-electron reduced L_(1)in its unusual coordination mode.Such an unprecedented binuclear pincer/allyl cobalt complex consisting of the mixed-valence oxidation state of cobalt ions(+1 and+2)is confirmed by various analytical techniques(XPS,EPR,and UV–vis),and the experimentally determined electronic structure is well corroborated by detailed theoretical studies based on DFT calculations.
