0000000001311540
AUTHOR
Gabriel Aullón
Effect of Gold(I) on the Room-Temperature Phosphorescence of Ethynylphenanthrene.
The synthesis of two series of gold(I) complexes containing the general formulae PR 3 ‐Au‐C≡C‐phenanthrene (PR 3 = PPh 3 ( 1a / 2a ), PMe 3 ( 1b / 2b ), PNaph 3 ( 1c / 2c )) or (diphos)(Au‐C≡C‐phenanthrene) 2 (diphos = 1,1‐ bis (diphenylphosphino)methane, dppm ( 1d / 2d ); 1,4‐ bis (diphenylphosphino)butane, dppb ( 1e / 2e )) have been synthesized. The two series differ on the position of the alkynyl substituent on the phenanthrene chromophore, being at the 9‐position (9‐ethynylphenanthrene) for the L1 ‐series and at the 2‐position (2‐ethynylphenanthrene) for the L2 ‐series. The compounds have been fully characterized by 1 H and 31 P NMR and IR spectroscopy, mass spectrometry and single cry…
X-X through-cage bonding in Cu, Ni, and Cr complexes with M3X2 cores (X=S, As).
Density functional calculations on trinuclear complexes bridged by two sulfur atoms, [(tmeda)(3)Cu(3)(mu-S)(2)](3+), [(tmeda)(3)Ni(3)(mu-S)(2)](2+), and [(tmeda)(3)Ni(3)(mu-S(2))](4+), as well as on the formation of [(tmeda)(3)Cu(3)(mu-S)(2)](3+) from a dinuclear [(tmeda)(2)Cu(2)(mu-S(2))](2+) complex and a mononuclear [(tmeda)Cu(eta(2)-S(2))](+) fragment, are reported. A qualitative orbital analysis of the M(3)X(2) framework bonding is presented for the case in which each metal atom M has a square planar coordination sphere completed by one bidentate or two monodentate ligands (that is, [(L(2)M)(3)X(2)] compounds). It is concluded that a framework electron count (FEC) of 12 corresponds to …
Intra- vs Intermolecular Aurophilic Contacts in Dinuclear Gold(I) Compounds: Impact on the Population of the Triplet Excited State.
Two series of dinuclear gold(I) complexes that contain two Au–chromophore units (chromophore = dibenzofurane or dimethylfluorene) connected through a diphosphane bridge that differs in the flexibility and length (diphosphane = dppb for 1,4-bis(diphenylphosphino)butane, DPEphos for bis[(2-diphenylphosphino)phenyl]ether, xanthphos for 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene, and BiPheP for 2,2′-bis(diphenylphosphino)-1,1′-biphenyl) have been synthesized and structurally characterized. Their photophysical properties have been carefully investigated, paying attention to the role of the presence, or absence, of aurophilic contacts and their nature (intra- or intermolecular character). Th…
CCDC 2019550: Experimental Crystal Structure Determination
Related Article: Araceli Aquino, Francisco J. Caparrós, Gabriel Aullón, Jas S. Ward, Kari Rissanen, Yongsik Jung, Hyeonho Choi, João Carlos Lima, Laura Rodríguez|2020|Chem.-Eur.J.|27|1810|doi:10.1002/chem.202004051
CCDC 2019549: Experimental Crystal Structure Determination
Related Article: Araceli Aquino, Francisco J. Caparrós, Gabriel Aullón, Jas S. Ward, Kari Rissanen, Yongsik Jung, Hyeonho Choi, João Carlos Lima, Laura Rodríguez|2020|Chem.-Eur.J.|27|1810|doi:10.1002/chem.202004051
CCDC 2019551: Experimental Crystal Structure Determination
Related Article: Araceli Aquino, Francisco J. Caparrós, Gabriel Aullón, Jas S. Ward, Kari Rissanen, Yongsik Jung, Hyeonho Choi, João Carlos Lima, Laura Rodríguez|2020|Chem.-Eur.J.|27|1810|doi:10.1002/chem.202004051
CCDC 2019552: Experimental Crystal Structure Determination
Related Article: Araceli Aquino, Francisco J. Caparrós, Gabriel Aullón, Jas S. Ward, Kari Rissanen, Yongsik Jung, Hyeonho Choi, João Carlos Lima, Laura Rodríguez|2020|Chem.-Eur.J.|27|1810|doi:10.1002/chem.202004051