Controlling the molecular architecture of low nuclearity rhodium and iridium complexes using bridging N C X (X= N, O, S) ligands

…, MA Ciriano, JJ Pérez-Torrente, BE Villarroya - Coordination Chemistry …, 1999 - Elsevier
The controlled synthesis of low nuclearity rhodium and iridium complexes by using bridging
ligands containing NCX or XCNCX (X=N, O, S) groups is reviewed. The geometry …

A hexanuclear iridium chain

C Tejel, MA Ciriano, BE Villarroya, JA López, FJ Lahoz… - 2003 - digital.csic.es
Electrons in chains: A novel metallic chain made up of six iridium atoms (see picture) with
an average oxidation state of +1.33 has been found in the complex HH,HT,HH-[Ir6(μ-OPy)6(I)2(…

Discrete Iridium Pyridonate Chains with Variable Metal Valence: Nature and Energetics of the Ir− Ir Bonding from DFT Calculations

BE Villarroya, C Tejel, MM Rohmer, LA Oro… - Inorganic …, 2005 - ACS Publications
… arrangement of the equatorial ligands is further illustrated by the Ir B −Ir B bond in IABBAI
(3.08 Å) being again 0.16 Å longer than the Ir B −Ir A contact in the same compound (Table 1). …

Discrete Mixed-Valence Metal Chains: Iridium Pyridonate Blues.

C Tejel, MA Ciriano, BE Villarroya, R Gelpi… - … (International ed. in …, 2001 - europepmc.org
Binuclear complexes with head-to-tail (HT) configurations are appropriate for building
tetrametallic chains, contrary to previous speculations. Moreover, the isolated HT, HH tetrametallic …

Relationships between phenolic compounds of low molecular weight as indicators of the aging conditions and quality of brandies

…, C Gómez-Cordovés, B Villarroya - American journal of …, 1990 - Am Soc Enol Viticulture
Concentrations of phenolic acids and aldehydes in oak and almond extracts and in commercial
brandies and cognacs were obtained by HPLC. The most characteristic relationships in …

SUq (2) quantum group analysis of rotational spectra of diatomic molecules

JG Esteve, C Tejel, BE Villarroya - The Journal of chemical physics, 1992 - pubs.aip.org
… , these molecules cannot be described by rigid rotators; classically, this effect is reflected
in the fact that the constants Dn andHn appearing in (3.3) are not so small compared with B n …

Reverse-phase HPLC of organic acids in musts

M Llorente, B Villarroya, C Gómez-Cordovés - Chromatographia, 1991 - Springer
A simple method for reverse-phase HPLC analysis of organic acids present in must has been
developed. It is carried out in isocratic conditions, with a weak dilute acid as eluent and UV …

Mixed‐Valence Tetrametallic Iridium Chains

M Pilar del Río, BE Villarroya, JA López… - … A European Journal, 2023 - Wiley Online Library
Neutral [X−{Ir 2 }−{Ir 2 }−X] (X=Cl, Br, SCN, I) and dicationic [L−{Ir 2 }−{Ir 2 }−L] 2+ (L=MeCN,
Me 2 CO) tetrametallic iridium chains made by connecting two dinuclear {Ir 2 } units ({Ir 2 }=[…

Stepwise Construction of Polynuclear Complexes of Rhodium and Iridium Assisted by Benzimidazole-2-thiol. NMR and X-ray Diffraction Studies

C Tejel, BE Villarroya, MA Ciriano, LA Oro… - Inorganic …, 1996 - ACS Publications
Reactions of [M 2 (μ-Cl) 2 (cod) 2 ] (cod = 1,5-cyclooctadiene, M = Rh, Ir) with benzimidazole-2-thiol
(H 2 Bzimt) afford the mononuclear complexes [MCl(H 2 Bzimt)(cod)] (M = Rh (1), Ir (2…

[PDF][PDF] Preparation and X-ray Structure of a Trinuclear Rhodium Complex with the Polydentate 1, 8-Naph-thyridine-2-one (Onapy) Ligand:[Rh&.@ napy),-(CO),(cod),] …

…, FJ Lahoz, LA Oro, MA Ciriano, B VILLARROYA - 1986 - academia.edu
As part of our studies exploring the use of polydentate nitrogen-donor ligands for the
construction of bi-and polynuclear rhodium (I) and iridium (I) complexes we have examined the …