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Carbene Stabilization of Diarsenic: From Hypervalency to Allotropy

Authors

  • Mariham Y. Abraham,

    1. Department of Chemistry and The Center for Computational Chemistry, The University of Georgia, Athens, GA 30602-2556 (USA), Fax: (+1) 706-542-9454
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  • Yuzhong Wang Dr.,

    1. Department of Chemistry and The Center for Computational Chemistry, The University of Georgia, Athens, GA 30602-2556 (USA), Fax: (+1) 706-542-9454
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  • Yaoming Xie Dr.,

    1. Department of Chemistry and The Center for Computational Chemistry, The University of Georgia, Athens, GA 30602-2556 (USA), Fax: (+1) 706-542-9454
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  • Pingrong Wei Dr.,

    1. Department of Chemistry and The Center for Computational Chemistry, The University of Georgia, Athens, GA 30602-2556 (USA), Fax: (+1) 706-542-9454
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  • Henry F. Schaefer III Prof.,

    1. Department of Chemistry and The Center for Computational Chemistry, The University of Georgia, Athens, GA 30602-2556 (USA), Fax: (+1) 706-542-9454
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  • P. von R. Schleyer Prof.,

    1. Department of Chemistry and The Center for Computational Chemistry, The University of Georgia, Athens, GA 30602-2556 (USA), Fax: (+1) 706-542-9454
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  • Gregory H. Robinson Prof.

    1. Department of Chemistry and The Center for Computational Chemistry, The University of Georgia, Athens, GA 30602-2556 (USA), Fax: (+1) 706-542-9454
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Abstract

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Diarsenic as a Lewis acid: An N-heterocyclic carbene stabilized diarsenic molecule [L:As[BOND]As:L] (L:=:C{N(2,6-iPr2C6H3)CH}2) (see scheme) has been prepared by potassium/graphite reduction of [L:AsCl3]. The nature of the bonding in this molecule was probed by DFT computations.

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