Syntheses and Structures of New Luminescent Cyclometalated Palladium(II) and Platinum(II) Complexes:  M(Bab)Cl, M(Br−Bab)Cl (M = Pd(II), Pt(II)), and Pd3Cl4(Tab)2 (Bab = 1,3-bis(7-azaindolyl)phenyl, Br−Bab = 1-Bromo-3,5-bis(7-azaindolyl)phenyl, Tab =1,3,5-tris(7-azaindolyl)phenyl)

Syntheses and Structures of New Luminescent Cyclometalated Palladium(II) and Platinum(II) Complexes:  M(Bab)Cl, M(Br−Bab)Cl (M = Pd(II), Pt(II)), and Pd3Cl4(Tab)2 (Bab = 1,3-bis(7-azaindolyl)phenyl, Br−Bab = 1-Bromo-3,5-bis(7-azaindolyl)phenyl, Tab =1,3,5-tris(7-azaindolyl)phenyl)

The reactions of blue luminescent ligands 1,3-bis(7-azaindolyl)benzene (BabH), 1-bromo-3,5-bis(7-azaindolyl)benzene (Br−BabH), and 1,3,5-tris(7-azaindolyl)benzene (TabH) with K2PdCl4 and K2PtCl4 have been investigated. Five new luminescent cyclometalated palladium(II) and platinum(II) complexes Pd(B...

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Veröffentlicht in:Organometallics 2001-10, Vol.20 (22), p.4683-4689
Hauptverfasser: Song, Datong, Wu, Qingguo, Hook, Andrea, Kozin, Igor, Wang, Suning
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Wu, Qingguo
Hook, Andrea
Kozin, Igor
Wang, Suning
description The reactions of blue luminescent ligands 1,3-bis(7-azaindolyl)benzene (BabH), 1-bromo-3,5-bis(7-azaindolyl)benzene (Br−BabH), and 1,3,5-tris(7-azaindolyl)benzene (TabH) with K2PdCl4 and K2PtCl4 have been investigated. Five new luminescent cyclometalated palladium(II) and platinum(II) complexes Pd(Bab)Cl (1), Pt(Bab)Cl (2), Pd(Br−Bab)Cl (3), Pt(Br−Bab)Cl (4), and Pd3Cl4(Tab)2 (5) have been synthesized and fully characterized. The molecular structures of 1 and 2, and 3 and 4, are similar. There are however significant variations in the solid-state structures and luminescence of 1 and 2, and 3 and 4. EHMO calculations revealed that it is most likely that the electronic transitions in the Pt(II) complexes are π to π* transitions with significant contributions from d π lone pairs of the Pt(II) center in the π level, and the electronic transitions in the Pd(II) complexes are either d(z 2) to π* charge-transfer transitions or π to π* transitions similar to the Pt(II) complexes.
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Five new luminescent cyclometalated palladium(II) and platinum(II) complexes Pd(Bab)Cl (1), Pt(Bab)Cl (2), Pd(Br−Bab)Cl (3), Pt(Br−Bab)Cl (4), and Pd3Cl4(Tab)2 (5) have been synthesized and fully characterized. The molecular structures of 1 and 2, and 3 and 4, are similar. There are however significant variations in the solid-state structures and luminescence of 1 and 2, and 3 and 4. EHMO calculations revealed that it is most likely that the electronic transitions in the Pt(II) complexes are π to π* transitions with significant contributions from d π lone pairs of the Pt(II) center in the π level, and the electronic transitions in the Pd(II) complexes are either d(z 2) to π* charge-transfer transitions or π to π* transitions similar to the Pt(II) complexes.</description><identifier>ISSN: 0276-7333</identifier><identifier>EISSN: 1520-6041</identifier><identifier>DOI: 10.1021/om010235z</identifier><language>eng</language><publisher>American Chemical Society</publisher><ispartof>Organometallics, 2001-10, Vol.20 (22), p.4683-4689</ispartof><rights>Copyright © 2001 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/om010235z$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/om010235z$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,777,781,27057,27905,27906,56719,56769</link.rule.ids></links><search><creatorcontrib>Song, Datong</creatorcontrib><creatorcontrib>Wu, Qingguo</creatorcontrib><creatorcontrib>Hook, Andrea</creatorcontrib><creatorcontrib>Kozin, Igor</creatorcontrib><creatorcontrib>Wang, Suning</creatorcontrib><title>Syntheses and Structures of New Luminescent Cyclometalated Palladium(II) and Platinum(II) Complexes:  M(Bab)Cl, M(Br−Bab)Cl (M = Pd(II), Pt(II)), and Pd3Cl4(Tab)2 (Bab = 1,3-bis(7-azaindolyl)phenyl, Br−Bab = 1-Bromo-3,5-bis(7-azaindolyl)phenyl, Tab =1,3,5-tris(7-azaindolyl)phenyl)</title><title>Organometallics</title><addtitle>Organometallics</addtitle><description>The reactions of blue luminescent ligands 1,3-bis(7-azaindolyl)benzene (BabH), 1-bromo-3,5-bis(7-azaindolyl)benzene (Br−BabH), and 1,3,5-tris(7-azaindolyl)benzene (TabH) with K2PdCl4 and K2PtCl4 have been investigated. Five new luminescent cyclometalated palladium(II) and platinum(II) complexes Pd(Bab)Cl (1), Pt(Bab)Cl (2), Pd(Br−Bab)Cl (3), Pt(Br−Bab)Cl (4), and Pd3Cl4(Tab)2 (5) have been synthesized and fully characterized. The molecular structures of 1 and 2, and 3 and 4, are similar. There are however significant variations in the solid-state structures and luminescence of 1 and 2, and 3 and 4. EHMO calculations revealed that it is most likely that the electronic transitions in the Pt(II) complexes are π to π* transitions with significant contributions from d π lone pairs of the Pt(II) center in the π level, and the electronic transitions in the Pd(II) complexes are either d(z 2) to π* charge-transfer transitions or π to π* transitions similar to the Pt(II) complexes.</description><issn>0276-7333</issn><issn>1520-6041</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNp1ks1u1DAUhQMCiaGw4AnwBikjjcF_iYdKLGjEz6BpiZiBrXUndtQUJxnZjmi6YglbHrFPgtMprGB17vX9zpGle5PkCSXPKWH0Rd-SqDy7upvMaMYIzomg95IZYTLHknP-IHno_QUhJJecze483YxdODfeeASdRpvghioMLrZ9jc7MN7Qe2qYzvjJdQMVY2b41ASwEo1EJ1oJuhjZdreY39jIOmu72oejbvTWXxh9ff_-JTtMT2M0Lu5gqd_3j16FF6Sl6hUo9ORaoDJPG4iZM88KKdBs5hiZ3BOmC413jU4nhCppO93a08_256cYY_Cd24vCJ69se80X2f347oTExMsH9G5o_Su7XYL15fKtHyee3b7bFe7z--G5VvF5jYIQFTGspIDeM6yVZLllOpch3QJncCSorw5ZEUyFyEFyyWtMKasgMEdVLk0dnBfwowYfcxgdzqfauacGNCtxXFRclM7UtN-pD9unsC19zlUf-2YGHyquLfnBd_J2iRE1XoP5eAf8N9iqgzQ</recordid><startdate>20011029</startdate><enddate>20011029</enddate><creator>Song, Datong</creator><creator>Wu, Qingguo</creator><creator>Hook, Andrea</creator><creator>Kozin, Igor</creator><creator>Wang, Suning</creator><general>American Chemical Society</general><scope>BSCLL</scope></search><sort><creationdate>20011029</creationdate><title>Syntheses and Structures of New Luminescent Cyclometalated Palladium(II) and Platinum(II) Complexes:  M(Bab)Cl, M(Br−Bab)Cl (M = Pd(II), Pt(II)), and Pd3Cl4(Tab)2 (Bab = 1,3-bis(7-azaindolyl)phenyl, Br−Bab = 1-Bromo-3,5-bis(7-azaindolyl)phenyl, Tab =1,3,5-tris(7-azaindolyl)phenyl)</title><author>Song, Datong ; Wu, Qingguo ; Hook, Andrea ; Kozin, Igor ; Wang, Suning</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a202t-1f74a6e23d8088261746ba127b417ce280d1446a4372fd1cafa5e04c9e6f74ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, Datong</creatorcontrib><creatorcontrib>Wu, Qingguo</creatorcontrib><creatorcontrib>Hook, Andrea</creatorcontrib><creatorcontrib>Kozin, Igor</creatorcontrib><creatorcontrib>Wang, Suning</creatorcontrib><collection>Istex</collection><jtitle>Organometallics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Song, Datong</au><au>Wu, Qingguo</au><au>Hook, Andrea</au><au>Kozin, Igor</au><au>Wang, Suning</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Syntheses and Structures of New Luminescent Cyclometalated Palladium(II) and Platinum(II) Complexes:  M(Bab)Cl, M(Br−Bab)Cl (M = Pd(II), Pt(II)), and Pd3Cl4(Tab)2 (Bab = 1,3-bis(7-azaindolyl)phenyl, Br−Bab = 1-Bromo-3,5-bis(7-azaindolyl)phenyl, Tab =1,3,5-tris(7-azaindolyl)phenyl)</atitle><jtitle>Organometallics</jtitle><addtitle>Organometallics</addtitle><date>2001-10-29</date><risdate>2001</risdate><volume>20</volume><issue>22</issue><spage>4683</spage><epage>4689</epage><pages>4683-4689</pages><issn>0276-7333</issn><eissn>1520-6041</eissn><abstract>The reactions of blue luminescent ligands 1,3-bis(7-azaindolyl)benzene (BabH), 1-bromo-3,5-bis(7-azaindolyl)benzene (Br−BabH), and 1,3,5-tris(7-azaindolyl)benzene (TabH) with K2PdCl4 and K2PtCl4 have been investigated. Five new luminescent cyclometalated palladium(II) and platinum(II) complexes Pd(Bab)Cl (1), Pt(Bab)Cl (2), Pd(Br−Bab)Cl (3), Pt(Br−Bab)Cl (4), and Pd3Cl4(Tab)2 (5) have been synthesized and fully characterized. The molecular structures of 1 and 2, and 3 and 4, are similar. There are however significant variations in the solid-state structures and luminescence of 1 and 2, and 3 and 4. EHMO calculations revealed that it is most likely that the electronic transitions in the Pt(II) complexes are π to π* transitions with significant contributions from d π lone pairs of the Pt(II) center in the π level, and the electronic transitions in the Pd(II) complexes are either d(z 2) to π* charge-transfer transitions or π to π* transitions similar to the Pt(II) complexes.</abstract><pub>American Chemical Society</pub><doi>10.1021/om010235z</doi><tpages>7</tpages></addata></record>
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title Syntheses and Structures of New Luminescent Cyclometalated Palladium(II) and Platinum(II) Complexes:  M(Bab)Cl, M(Br−Bab)Cl (M = Pd(II), Pt(II)), and Pd3Cl4(Tab)2 (Bab = 1,3-bis(7-azaindolyl)phenyl, Br−Bab = 1-Bromo-3,5-bis(7-azaindolyl)phenyl, Tab =1,3,5-tris(7-azaindolyl)phenyl)
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