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Heterolytic H_2 Activation Mediated by Low-Coordinate L_3Fe-(µ-N)-FeL_3 Complexes to Generate Fe(µ-NH)(µ-H)Fe Species

Brown, Steven D. and Mehn, Mark P. and Peters, Jonas C. (2005) Heterolytic H_2 Activation Mediated by Low-Coordinate L_3Fe-(µ-N)-FeL_3 Complexes to Generate Fe(µ-NH)(µ-H)Fe Species. Journal of the American Chemical Society, 127 (38). pp. 13146-13147. ISSN 0002-7863. doi:10.1021/ja0544509. https://resolver.caltech.edu/CaltechAUTHORS:20140805-134110901

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Abstract

The diiron μ-nitride complexes, {L_3Fe^(II)(μ-N)Fe^(II)L_3}- and L_3Fe^(III)(μ-N)Fe^(II)L_3, heterolytically activate hydrogen (1 atm) at ambient temperature in solution (L_3 = [PhB(CH_2PPh_2)_3]-). These transformations lead to structurally unique {L_3Fe^(II)(μ-NH)(μ-H)Fe^(II)L^3}- and L_3Fe^(III)(μ-NH)(μ-H)Fe^(II)L_3 products. X-ray data establish a marked reduction in the Fe−Fe distance upon H_2 uptake, and spectroscopic data establish both Fe^(II)Fe^(II) species to be diamagnetic, whereas the Fe^(III)Fe^(II) species, L_3Fe^(III)(μ-N)Fe^(II)L_3 and L_3Fe^(III)(μ-NH)(μ-H)Fe^(II)L_3, populate doublet ground states with thermally accessible higher spin states.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://pubs.acs.org/doi/abs/10.1021/ja0544509PublisherArticle
http://dx.doi.org/10.1021/ja0544509DOIArticle
http://pubs.acs.org/doi/suppl/10.1021/ja0544509Related ItemSupporting Information
ORCID:
AuthorORCID
Peters, Jonas C.0000-0002-6610-4414
Alternate Title:Heterolytic H2 Activation Mediated by Low-Coordinate L3Fe-(µ-N)-FeL3 Complexes to Generate Fe(µ-NH)(µ-H)Fe Species
Additional Information: © 2005 American Chemical Society. Received July 5, 2005. Publication Date (Web): September 3, 2005. We thank the NIH for financial support (GM-070757 to J.C.P., GM-072291 to M.P.M.), and Dr. Angel J. Di Bilio, Lawrence Henling, and Dr. Michael W. Day for assistance. Supporting Information Available: Experimental and characterization data; crystallographic data. This material is available free of charge via the Internet at http://pubs.acs.org.
Funders:
Funding AgencyGrant Number
NIHGM-070757
NIHGM-072291
Issue or Number:38
DOI:10.1021/ja0544509
Record Number:CaltechAUTHORS:20140805-134110901
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140805-134110901
Official Citation:Heterolytic H2 Activation Mediated by Low-Coordinate L3Fe-(μ-N)-FeL3 Complexes to Generate Fe(μ-NH)(μ-H)Fe Species Steven D. Brown,Mark P. Mehn, and, and Jonas C. Peters Journal of the American Chemical Society 2005 127 (38), 13146-13147
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47997
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:05 Aug 2014 21:06
Last Modified:10 Nov 2021 17:52

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