The Zintl ion [As7]2-: an example of an electron-deficient As(x) radical anion |
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| Authors: | Mandal Sukhendu Liu Ran Reber Arthur C Qian Meichun Saavedra Héctor M Ke Xianglin Schiffer Peter Sen Saikat Weiss Paul S Khanna Shiv N Sen Ayusman |
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| Affiliation: | Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA. |
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| Abstract: | [K(2,2,2-crypt)](2)[As(7)]·THF, 1 (2,2,2-crypt = 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane) is the first well characterized seven-atom radical anion of group 15. UV-Vis spectroscopy confirms the presence and electronic structure of [As(7)](2-). Cyclic voltammetry in DMF solution shows the As(7)(3-)/As(7)(2-) redox couple as a one-electron reversible process. Theoretical investigations explore the bonding and properties of compound 1. |
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