Search results for "triiron"

showing 4 items of 4 documents

Chalcogenide-capped triiron clusters [Fe3(CO)9(μ3-E)2], [Fe3(CO)7(μ3-CO)(μ3-E)(μ-dppm)] and [Fe3(CO)7(μ3-E)2(μ-dppm)] (E = S, Se) as proton-reduction…

2019

Chalcogenide-capped triiron clusters [Fe3(CO)7(μ3-CO)(μ3-E)(μ-dppm)] and [Fe3(CO)7(μ3-E)2(μ-dppm)] (E = S, Se) have been examined as proton-reduction catalysts. Protonation studies show that [Fe3(CO)9(μ3-E)2] are unaffected by strong acids. Mono-capped [Fe3(CO)7(μ3-CO)(μ3-E)(μ-dppm)] react with HBF4.Et2O but changes in IR spectra are attributed to BF3 binding to the face-capping carbonyl, while bicapped [Fe3(CO)7(μ3-E)2(μ-dppm)] are protonated but in a process that is not catalytically important. DFT calculations are presented to support these protonation studies. Cyclic voltammetry shows that [Fe3(CO)9(μ3-Se)2] exhibits two reduction waves, and upon addition of strong acids, proton-reducti…

SulfideInfrared spectroscopyProtonationorganometalliyhdisteetSulfonic acid010402 general chemistryElectrochemistry01 natural sciencesBiochemistryMedicinal chemistryCatalysisInorganic Chemistrychalcogenidechemistry.chemical_compoundSelenideElectrochemistryMaterials ChemistryPhysical and Theoretical Chemistryclusterta116proton-reductionchemistry.chemical_classification010405 organic chemistryChalcogenideOrganic Chemistrytriironsähkökemia0104 chemical scienceselectrochemistrychemistryClusterTriironProton-reductionCyclic voltammetryJournal of Organometallic Chemistry
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Proton reduction by phosphinidene-capped triiron clusters

2021

Bis(phosphinidene)-capped triiron carbonyl clusters, including electron rich derivatives formed by substitution with chelating diphosphines, have been prepared and examined as proton reduction catalysts. Treatment of the known cluster [Fe3(CO)9(µ3-PPh)2] (1) with various diphosphines in refluxing THF (for 5, refluxing toluene) afforded the new clusters [Fe3(CO)7(µ3-PPh)2(κ2-dppb)] (2), [Fe3(CO)7(µ3-PPh)2(κ2-dppv)] (3), [Fe3(CO)7(µ3-PPh)2(κ2-dppe)] (4) and [Fe3(CO)7(µ3-PPh)2(µ-κ2-dppf)] (5) in moderate yields, together with small amounts of the corresponding [Fe3(CO)8(µ3-PPh)2(κ1-Ph2PxPPh2)] cluster (x = -C4H6-, -C2H2-, -C2H4-, -C3H6-, -C5H4FeC5H4-). The molecular structures of complexes 3 a…

rautaphosphinidine010402 general chemistryElectrochemistry01 natural sciencesBiochemistryMedicinal chemistryRedoxproton reductionDFTCatalysisInorganic Chemistrychemistry.chemical_compoundkatalyytitelektrokatalyysiDiphosphinesMaterials ChemistryCluster (physics)electrocatalysisPhysical and Theoretical Chemistryfosfori010405 organic chemistryLigandOrganic ChemistrytiheysfunktionaaliteoriakompleksiyhdisteettriironToluene0104 chemical scienceschemistryPhosphinidene
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CCDC 134367: Experimental Crystal Structure Determination

2000

Related Article: Y.Garcia, P.Guionneau, G.Bravic, D.Chasseau, J.A.K.Howard, O.Khan, V.Ksenofontov, S.Reiman, P.Gutlich|2000|Eur.J.Inorg.Chem.||1531|doi:10.1002/1099-0682(200007)2000:7<1531::AID-EJIC1531>3.0.CO;2-C

Space GroupCrystallographyCrystal SystemCrystal Structurehexakis(mu2-(4-(2'-Hydroxyethyl)-124-triazole-NN''))-hexaaqua-triiron(ii) hexa(trifluoromethanesulfonate)Cell ParametersExperimental 3D Coordinates
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CCDC 134366: Experimental Crystal Structure Determination

2000

Related Article: Y.Garcia, P.Guionneau, G.Bravic, D.Chasseau, J.A.K.Howard, O.Khan, V.Ksenofontov, S.Reiman, P.Gutlich|2000|Eur.J.Inorg.Chem.||1531|doi:10.1002/1099-0682(200007)2000:7<1531::AID-EJIC1531>3.0.CO;2-C

Space GroupCrystallographyCrystal SystemCrystal Structurehexakis(mu2-(4-(2'-Hydroxyethyl)-124-triazole-NN''))-hexaaqua-triiron(ii) hexa(trifluoromethanesulfonate)Cell ParametersExperimental 3D Coordinates
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