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Browsing by Author GHUMAAN, S

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Issue DateTitleAuthor(s)
2007Ancillary ligand determination of the spin location in both oxidised and reduced forms of diruthenium complexes bridged by bis-bidentate 1,4-bis(2-phenolato)-1,4-diazabutadieneKAR, S; SARKAR, B; GHUMAAN, S; LEBOSCHKA, M; FIEDLER, J; KAIM, W; LAHIRI, GK
2006An experimental and density functional theory approach towards the establishment of preferential metal- or ligand-based electron-transfer processes in large quinonoid-bridged diruthenium complexes [{(aap)(2)ru}(2)(mu-bl2-)](n+) (aap=2-arylazopyridine)GHUMAAN, S; MUKHERJEE, S; KAR, S; ROY, D; MOBIN, SM; SUNOJ, RB; LAHIRI, GK
2005Isomeric ruthenium terpyridine complexes [Ru(trpy)(L)Cl](n+) containing the unsymmetrically bidentate acceptor L=3-amino-6-(3,5-dimethylpyrazol-1-yl)-1,2,4,5-tetrazine. Synthesis, structures, electrochemistry, spectroscopy and DFT calculationsPATRA, S; SARKAR, B; GHUMAAN, S; PATIL, MP; MOBIN, SM; SUNOJ, RB; KAIM, W; LAHIRI, GK
2004Isovalent and mixed-valent diruthenium complexes [(acac)(2)Ru-II (mu-bpytz)Ru-II(acac)(2)] and [(acac)(2)Ru-II(mu-bpytz)Ru-III(acac)(2)](ClO4) (acac= acetylacetonate and bpytz=3,6-bis(3,5-dimethylpyrazolyi)-1,2,4,5-tetrazine): Synthesis, spectroelectrochemical, and EPR investigationPATRA, S; SARKAR, B; GHUMAAN, S; FIEDLER, J; KAIM, W; LAHIRI, GK
2005Mixed valency in polyruthenium systems: diverse effects of ancillary and bridging functionalities.GHUMAAN, S; LAHIRI, GK
2004{(mu-L)[Ru-II(acac)(2)](2)}'', n = 2+, +, 0, -, 2-, with L=3,3 ', 4,4 '-tetraimino-3,3 ',4,4 '-tetrahydrobiphenyl. EPR- supported assignment of NIR absorptions for the paramagnetic intermediatesPATRA, S; SARKAR, B; GHUMAAN, S; FIEDLER, J; ZALIS, S; KAIM, W; LAHIRI, GK
2005A new coordination mode of the photometric reagent gilyoxalbis(2-hydroxyanil) (H(2)gbha): Bis-bidentate bridging by gbha(2-) in the redox series {(mu-gbha)[Ru(acac)(2)](2)}(n) (n =-2,-1, 0,+1,+2), including a radical-bridged diruthenium(III) and a Ru-III/Ru-IV intermediateKAR, S; SARKAR, B; GHUMAAN, S; ROY, D; URBANOS, FA; FIEDLER, J; SUNOJ, RB; JIMENEZ-APARICIO, R; KAIM, W; LAHIRI, GK
2007Probing mixed valence in a new tppz-bridged diruthenium(III,II) complex{(mu-tppz)[Ru(bik)Cl]2}(3+) (tppz=2,3,5,6-tetrakis(2-pyridyl)pyrazine, bik=2,3,5,6-tetrakis(2-pyridyl)pyrazine, bik=2,2'-bis(1-methylimidazolyl)ketone): EPR silence, intervalence absorption, and v(CO) line broadeningKOLEY, M; SARKAR, B; GHUMAAN, S; BULAK, E; FIEDLER, J; KAIM, W; LAHIRI, GK
2005Sensitive oxidation state ambivalence in unsymmetrical three-center (M/Q/M) systems [(acac)(2)Ru(mu-Q)Ru(acac)(2)](n), Q=1,10-phenanthroline-5,6-dione or 1,10-phenanthroline-5,6-diimine (n = +, 0, -, 2-)GHUMAAN, S; SARKAR, B; PATRA, S; VAN SLAGEREN, J; FIEDLER, J; KAIM, W; LAHIRI, GK
2004The triruthenium complex [{(acac)(2)Ru-II}(3)(L)] containing a conjugated diquinoxaline[2,3-a : 2 ',3 '-c]phenazine (L) bridge and acetylacetonate (acac) as ancillary ligands. Synthesis, spectroelectrochemical and EPR investigationPATRA, S; SARKAR, B; GHUMAAN, S; FIEDLER, J; KAIM, W; LAHIRI, GK
2006Tuning intermetallic electronic coupling in polyruthenium systems via molecular architectureGHUMAAN, S; LAHIRI, GK
2008Valence-state analysis through spectroelectrochemistry in a series of quinonoid-bridged diruthenium complexes [(acac)(2)ru(mu-l)ru(acac)(2)](n) (n =+2,+1, 0,-1,-2)GHUMAAN, S; SARKAR, B; MAJI, S; PURANIK, VG; FIEDLER, J; URBANOS, FA; JIMENEZ-APARICIO, R; KAIM, W; LAHIRI, GK
Showing results 5 to 16 of 16
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