Electron transfer and chloride ligand dissociation in complexes [(C5Me5)ClM(bpy)]+/[(C5Me5)M(bpy)]n (M = Co, Rh, Ir; n = 2+, +, 0, -): A combined electrochemical and spectroscopic investigation. Journal of Organometallic Chemistry, (524)1-2:195--202, 1996. [PUMA: bipyridine;reductive bpy chloride chloride;electrochem chloride;electron cobalt cyclopentadienylcobalt;ESR dissocn elimination iridium ligand pentamethylcyclopentadienyl pentamethylcyclopentadienylcobalt potential rhodium transfer]
Reduced and excited states of the intermediates (a-diimine)(C5R5)Rh in hydride transfer catalysis schemes: EPR and resonance Raman spectroscopy, and comparative DFT calculations of Co, Rh and Ir analogues. Dalton Transactions, 22:3815--3821, 2004. [PUMA: DFT Raman catalysis cobalt complex;EPR cyclopentadienyl diimine excited hydride intermediate iridium;reduced resonance rhodium spectra state transfer]
Structures and properties of complexes [MCl(C5Me5)(N-S)](PF6), M = Rh, Ir, with N-S = 1-methyl-2-(alkylthiomethyl)-1H-benzimidazole ligands. Journal of Organometallic Chemistry, (596)1-2:84--89, 2000. [PUMA: chloride;mol chloride;thiomethylbenzimidazole crystal electrochem iridium pentamethylcyclopentadienyl prepn rhodium structure thiomethylbenzimidazole]
Resolving the Two-Electron Process for the Couple [(C5Me5)M(NN̂)Cl]+/[(C5Me5)M(NN̂)] (M = Rh, Ir) into Two One-Electron Steps Using the 2,2'-Azobis(pyridine) NN̂ Ligand, Fast Scan Cyclovoltammetry, and Spectroelectrochemistry: Detection of Radicals instead of MII Intermediates. Organometallics, (22)11:2240--2244, 2003. [PUMA: ESR;rhodium UV azobispyridine complex electrochem intermediate iridium prepn radical redox rhodium spectroelectrochem]
Electronic coupling of two [Cp*ClM]+/[Cp*M] reaction centers via p conjugated bridging ligands: Similarities and differences between rhodium and iridium analogues. Journal of Organometallic Chemistry, (582)2:153--159, 1999. [PUMA: bidentate binuclear bispyridinyltetrazine center;iridium complex coupling diiridium dirhodium electron intermediate iridium redn redox rhodium spectroelectrochem;mixed tetrazinebispyrinyl valent]
Dinuclear and trinuclear organometallic complexes (ReS4)[MCl(C5Me5)], M = Rh, Ir, and (m-WS4)[IrCl(C5Me5)]2. Zeitschrift fuer Naturforschung, B: A Journal of Chemical Sciences, (56)9:940--946, 2001. [PUMA: charge crystal cyclopentadienyl dinuclear interaction iridium mol potential prepn redn rhodium structure structure;tetrathiotungstate tetrathiorhenate;electrochem tetrathiorhenate;tetrathiorhenate tetrathiotungstate transfer]
Metal vs. Ligand Reduction in Complexes of Dipyrido[3,2-a: 2',3'-c]phenazine and Related Ligands with [(C5Me5)ClM]+ (M = Rh or Ir): Evidence for Potential Rather Than Orbital Control in the Reductive Cleavage of the Metal-Chloride Bond. Inorganic Chemistry, (43)4:1530--1538, 2004. [PUMA: bond chloride chloro cleavage complex dipyridophenazine electrochem iridium iridium;metal ligand pentamethycyclopentadienyl redn rhodium]
Coordination of rhodium(III), iridium(III), and copper(II) with the potentially tetradentate acceptor ligand bis(1-methylimidazol-2-yl)glyoxal (big). Zeitschrift fuer Anorganische und Allgemeine Chemie, (626)6:1341--1348, 2000. [PUMA: ESR;imidazolylglyoxal complex complex;rhodium coordination;iridium copper crystal imidazolylglyoxal metal prepn rhodium structure structure;mol transition]
Coupling of organometallic reaction centers through the non-planar bridging ligand 2,3-bis(2-pyridyl)pyrazine. Zeitschrift fuer Anorganische und Allgemeine Chemie, (630)13-14:2409--2417, 2004. [PUMA: binuclear bis complex complex;mol complex;redox complex;rhodium crystal half iridium mononuclear pentamethylcyclopentadienyl potential prepn pyridylpyrazine rhodium sandwich structure]
Multistep redox sequences of azopyridyl (L) bridged reaction centers in stable radical complex ions (μ-L)[MCl(η5-C5Me5)]2$\surd$+, M = Rh or Ir: Spectroelectrochemistry and high-frequency EPR spectroscopy. Dalton Transactions, 17:3370--3375, 2003. [PUMA: ESR azopyridyl azopyrimidine azopyrimidinyl bridged bridged;spectro cation cyclopentadienyl electrochem ion iridium pentamethylcyclopentadienyl prepn;radical radical rhodium]
Electron Paramagnetic Resonance and Spectroscopic Characteristics of Electrogenerated Mixed-Valent Systems [(h5-C5Me5)M(m-L)M(h5-C5Me5)]+ (M = Rh, Ir; L = 2,5-Diiminopyrazines) in Relation to the Radicals [(h5-C5Me5)ClM(m-L)MCl(h5-C5Me5)]+ and [(h5-C5Me5)M(m-L)MCl(h5-C5Me5)]2+. Inorganic Chemistry, (39)12:2516--2521, 2000. [PUMA: bpip bxip chloro cyclopentadienyl diiminopyrazine electrochem iridium mixed pentamethylcyclopentadienyl pentamethylcyclopentadienyl;iminoethyl prepn pyrazine redn redn;ESR rhodium valent]
Structure and spectroelectrochemistry (UV/vis, IR, EPR) of the acceptor-bridged heterodinuclear complex [(h5-C5Me5)ClRh(m-bptz)Re(CO)3Cl](PF6), bptz = 3,6-Bis(2-pyridyl)-1,2,4,5-tetrazine). [Erratum to document cited in CA134:367020]. Organometallics, (20)14:3209, 2001. [PUMA: carbonyl carbonyl;mol complex crystal cyclopentadienyl electrochem erratum erratum;cyclic erratum;electrochem erratum;erratum erratum;redn erratum;rhenium erratum;rhodium erratum;spectroelectrochem erratum;voltammetry heterodinuclear prepn pyridyltetrazine redn rhenium rhodium structure voltammetry]
Structure and Spectroelectrochemistry (UV/Vis, IR, EPR) of the Acceptor-Bridged Heterodinuclear Complex [(h5-C5Me5)ClRh(m-bptz)Re(CO)3Cl](PF6), bptz = 3,6-Bis(2-pyridyl)-1,2,4,5-tetrazine. Organometallics, (20)7:1437--1441, 2001. [PUMA: carbonyl complex complex;cyclic complex;electrochem complex;mol complex;rhenium crystal cyclopentadienyl electrochem;spectroelectrochem heterodinuclear prepn pyridyltetrazine redn rhenium rhodium structure voltammetry]
Organometallic rhodium(III) and -(I) complexes with 1,3-dimethyllumazine (DML). The crystal structure of [(h2-(O4,N5)-DML)(h5-C5Me5)ClRh](PF6). Zeitschrift fuer Naturforschung, B: A Journal of Chemical Sciences, (49)11:1554--1560, 1994. [PUMA: cation;mol cation;redn chem crystal dimethyllumazine electrochem lumazine rhodium structure]
The conjugative bridging of organometallic reaction centers in heterodinuclear complexes [(OC)3ClRe(m-L)MCl(C5Me5)]+, M = Rh or Ir - Spectroscopic consequences of reductive activation. Zeitschrift fuer Anorganische und Allgemeine Chemie, (630)12:1883--1893, 2004. [PUMA: ESR IR UV arom bis bridged chelate chelate;redox chelate;rhenium compd complex complex;spectroelectrochem conjugated electrochem half heterobinuclear heterocyclic iridium ligand;rhodium nitrogen potential prepn;pyrazine prepn;redn pyrimidine rhenium rhodium sandwich tetrazole]