Pd(I)-Pd(I)二聚体与 O2 的反应性：处于平衡状态的单齿 Pd 超氧化物和双钯过氧化物。
Reactivity of a Pd(I)-Pd(I) dimer with O2: monohapto Pd superoxide and dipalladium peroxide in equilibrium.
机构信息
Department of Chemistry, Texas A&M University, College Station, Texas 77842, United States.
出版信息
J Am Chem Soc. 2011 Mar 23;133(11):3820-3. doi: 10.1021/ja200346a. Epub 2011 Feb 25.
PMID:21351769
Abstract
The Pd(I)-Pd(I) dimer ((F)PNP)Pd- reacts with O(2) upon exposure to light to produce either the superoxide ((F)PNP)PdO(2) or the peroxide ((F)PNP)PdO-, which exist in equilibrium with free O(2). Both complexes contain square-planar Pd(II) centers. The unpaired electron density in ((F)PNP)PdO(2) is localized on the superoxide ligand.
摘要
Pd(I)-Pd(I)二聚体 ((F)PNP)Pd- 在光照下与 O(2) 反应，生成超氧化物 ((F)PNP)PdO(2) 或过氧化物 ((F)PNP)PdO-，两者与游离 O(2) 处于平衡状态。这两个配合物都含有平面正方形的 Pd(II)中心。在 ((F)PNP)PdO(2) 中，未成对电子密度定域在超氧配体上。
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