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Article: Spectroscopic properties and molecular structure of a luminescent cyclometalated mercury(II) complex of 2,9-diphenyl-1,10-phenanthroline

TitleSpectroscopic properties and molecular structure of a luminescent cyclometalated mercury(II) complex of 2,9-diphenyl-1,10-phenanthroline
Authors
Issue Date1994
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/ic
Citation
Inorganic Chemistry, 1994, v. 33 n. 17, p. 3656-3659 How to Cite?
AbstractThe reaction of mercuric acetate with 2,9-diphenyl-1,10-phenanthroline (dpp) in refluxing ethanol and in the presence of lithium chloride gave the cyclometalated complex [Hg(C ∧ N-dpp)Cl]2. X-ray crystal analysis revealed a dimeric molecular structure: [HgC24H15N2Cl]2, fw = 567.48 × 2, P21/n, a = 11.79(1) Å, b = 17.80(1) Å, c = 18.84(1) Å, β = 99.23(6)°, V = 3904(5) Å3, Z = 4. The long Hg-N distances (2.60-3.85 Å) and proton chemical shifts of the metalated dpp suggest that the 1,10-phenanthroline ring is weakly coordinated to the Hg-phenyl moiety. The complex is luminescent at both 77 and 298 K. Photosensitivity of [Hg(C ∧ N-dpp)Cl]2 at room temperature is evidenced by its facile transformation into the protonated salt of dpp (Hdpp+) in dichloromethane. The low-temperature emission spectrum of [Hg(C ∧ N-dpp)Cl]2 is almost identical to that of dpp. The photophysical and emission properties of [Hg(C ∧ N-dpp)Cl]2 are compared with those of the related cyclometalated Pt(II) and Au(III) complexes, viz. [Pt(C ∧ N ∧ N-dpp)(NCCH3)]+ and [Au(C ∧ N ∧N-dpp)Cl]+. © 1994 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167393
ISSN
2015 Impact Factor: 4.82
2015 SCImago Journal Rankings: 1.873
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChan, CWen_US
dc.contributor.authorPeng, SMen_US
dc.contributor.authorChe, CMen_US
dc.date.accessioned2012-10-08T03:06:25Z-
dc.date.available2012-10-08T03:06:25Z-
dc.date.issued1994en_US
dc.identifier.citationInorganic Chemistry, 1994, v. 33 n. 17, p. 3656-3659en_US
dc.identifier.issn0020-1669en_US
dc.identifier.urihttp://hdl.handle.net/10722/167393-
dc.description.abstractThe reaction of mercuric acetate with 2,9-diphenyl-1,10-phenanthroline (dpp) in refluxing ethanol and in the presence of lithium chloride gave the cyclometalated complex [Hg(C ∧ N-dpp)Cl]2. X-ray crystal analysis revealed a dimeric molecular structure: [HgC24H15N2Cl]2, fw = 567.48 × 2, P21/n, a = 11.79(1) Å, b = 17.80(1) Å, c = 18.84(1) Å, β = 99.23(6)°, V = 3904(5) Å3, Z = 4. The long Hg-N distances (2.60-3.85 Å) and proton chemical shifts of the metalated dpp suggest that the 1,10-phenanthroline ring is weakly coordinated to the Hg-phenyl moiety. The complex is luminescent at both 77 and 298 K. Photosensitivity of [Hg(C ∧ N-dpp)Cl]2 at room temperature is evidenced by its facile transformation into the protonated salt of dpp (Hdpp+) in dichloromethane. The low-temperature emission spectrum of [Hg(C ∧ N-dpp)Cl]2 is almost identical to that of dpp. The photophysical and emission properties of [Hg(C ∧ N-dpp)Cl]2 are compared with those of the related cyclometalated Pt(II) and Au(III) complexes, viz. [Pt(C ∧ N ∧ N-dpp)(NCCH3)]+ and [Au(C ∧ N ∧N-dpp)Cl]+. © 1994 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/icen_US
dc.relation.ispartofInorganic Chemistryen_US
dc.titleSpectroscopic properties and molecular structure of a luminescent cyclometalated mercury(II) complex of 2,9-diphenyl-1,10-phenanthrolineen_US
dc.typeArticleen_US
dc.identifier.emailChe, CM:cmche@hku.hken_US
dc.identifier.authorityChe, CM=rp00670en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/ic00095a007-
dc.identifier.scopuseid_2-s2.0-0007979112en_US
dc.identifier.hkuros1424-
dc.identifier.volume33en_US
dc.identifier.issue17en_US
dc.identifier.spage3656en_US
dc.identifier.epage3659en_US
dc.identifier.isiWOS:A1994PC83400007-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChan, CW=7404814723en_US
dc.identifier.scopusauthoridPeng, SM=35464852200en_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US

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