Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1306044 | Inorganica Chimica Acta | 2012 | 5 Pages |
Reaction of Mo(CO)6 with propionic acid and propionic anhydride gives the expected μ3-propylidyne capped molybdenum cluster as well as the unanticipated μ3-ethylidyne capped molybdenum cation with bridging propionates, [Mo3(μ3-CR)(μ3-O)(μ-O2CCH2CH3)6(H2O)3]Br·4H2O; R = CH3 and CH2CH3. Due to the similarity in structure, both complexes crystallize together in the triclinic crystal system upon slow evaporation of NaBr solutions (T = 277 K). Herein, we report the synthesis, characterization, and crystallographic study of the carbon-capped clusters. To our knowledge, this study is the first to report a trinuclear molybdenum cation in which the μ3-alkylidyne ligand is not the same chain length as the carboxylic acid used in the synthesis.
Graphical abstractWe report the synthesis, characterization, and crystallographic study of μ3-alkylidyne capped molybdenum cations. To our knowledge, this study is the first to report a trinuclear molybdenum cation in which the μ3-alkylidyne ligand is not the same chain length as the carboxylic acid used in the synthesis.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Synthesis of ([Mo3(μ3-CR)(μ3-O)(μ-O2CCH2CH3)6(H2O)3]Br·4H2O (R = CH3, CH2CH3). ► Space group P1¯, a = 11.6658(11) Å, b = 13.7602(12) Å, c = 13.7673(12) Å. ► 1H, 13C, DEPT NMR data is consistent with the solid-state structure. ► First study to report on the μ3-CCH3 cluster with bridging propionate ligands.