New Main-Group-Element-Rich <i>nido</i>-Octahedral Cluster System: Synthesis and Characterization of [Et<sub>4</sub>N][Fe<sub>2</sub>(CO)<sub>6</sub>(μ<sub>3</sub>‑As){μ<sub>3</sub>‑EFe(CO)<sub>4</sub>}<sub>2</sub>]
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A series of clusters of the form [Et4N][Fe2(CO)6(μ3-As)}(μ3-EFe(CO)4)], where E is either P or As, were synthesized from [Et4N]2[HAs{Fe(CO)4}3] and ECl3. AsCl3 gives the As-only compound; PCl3 produces compounds having two As atoms with one P atom, or one As atom and two P atoms, and they can exist as two possible isomers, one of which is chiral. The As2P and AsP2 clusters cocrystallize, and their structure as determined by single-crystal X-ray diffraction is given along with the structure of the As-only cluster. Analytical data as well as density functional theory calculations support the formation and geometries of the new molecules.
创建时间：
2016-06-28
