Tetrahedral Mn(II) bromo- and iodo-complexes with phosphoramidate and phosphonate ligands were synthesized and characterized. Mononuclear complexes with the general formula [MnX2L2] were isolated by using the monodentate ligands OQP(OPh)2(NMe2) and OQP(OPh)2Ph. The bidentate resorcinol derivative 1,3-OQP(NMe2)O–C6H4–O(NMe2)2PQO behaved as a bridging ligand, and afforded, by reaction with MnX2 salts, a dinuclear complex in the case of X = Br and a coordination polymer for X = I, as revealed by single crystal X-ray diffraction. All the compounds showed the characteristic green photoluminescence of Mn(II) in a tetrahedral environment. The resulting lifetime values were influenced by the symmetry of the compounds. The complexes with OQP(OPh)2(NMe2) in the coordination sphere showed high photoluminescence quantum yields.

Manganese(ii) bromo- and iodo-complexes with phosphoramidate and phosphonate ligands: synthesis, characterization and photoluminescence

Bortoluzzi, Marco
;
Di Vera, Andrea;Ferraro, Valentina
2021-01-01

Abstract

Tetrahedral Mn(II) bromo- and iodo-complexes with phosphoramidate and phosphonate ligands were synthesized and characterized. Mononuclear complexes with the general formula [MnX2L2] were isolated by using the monodentate ligands OQP(OPh)2(NMe2) and OQP(OPh)2Ph. The bidentate resorcinol derivative 1,3-OQP(NMe2)O–C6H4–O(NMe2)2PQO behaved as a bridging ligand, and afforded, by reaction with MnX2 salts, a dinuclear complex in the case of X = Br and a coordination polymer for X = I, as revealed by single crystal X-ray diffraction. All the compounds showed the characteristic green photoluminescence of Mn(II) in a tetrahedral environment. The resulting lifetime values were influenced by the symmetry of the compounds. The complexes with OQP(OPh)2(NMe2) in the coordination sphere showed high photoluminescence quantum yields.
2021
45
File in questo prodotto:
File Dimensione Formato  
2021-NJC-Mn-amidophosphates.pdf

non disponibili

Descrizione: articolo
Tipologia: Versione dell'editore
Licenza: Accesso chiuso-personale
Dimensione 2.9 MB
Formato Adobe PDF
2.9 MB Adobe PDF   Visualizza/Apri

I documenti in ARCA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10278/3741672
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 14
  • ???jsp.display-item.citation.isi??? 13
social impact