Exstrom, Christopher L. and Britton, Doyle and Mann, Kent R. and Hill, Michael G. and Miskowski, Vincent M. and Schaefer, William P. and Gray, Harry B. and Lamanna, William M. (1996) Structures of [M_2(dimen)_4](Y)_2 (M = Rh, Ir; dimen = 1,8-Diisocyanomenthane; Y = PF_6, Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, B(C_6H_5)_4) Crystals Featuring an Exceptionally Wide Range of Metal−Metal Distances and Dihedral Twist Angles. Inorganic Chemistry, 35 (3). pp. 549-550. ISSN 0020-1669. doi:10.1021/ic9508637. https://resolver.caltech.edu/CaltechAUTHORS:20180525-134636164
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Abstract
The binuclear complexes [M_2(dimen)_4](Y)_2 (M = Rh, Ir; dimen = 1,8-diisocyanomenthane; Y = PF_6, tetrakis[3,5-bis(trifluoromethyl)phenyl]borate), and B(C_6H_5)_4) have face-to-face structures with M−M distances between 3.60 and 4.48 Å, and square-planar unit twist angles between 0 and 17.2°. Ligand flexing and out-of-plane bending of the metal centers accommodate M−M distances longer than 3.9 Å; addition of a torsional deformation produces a twisted conformation for shorter M−M distances (<3.9 Å). Spectroscopic data indicate that there are two or more deformational isomers of Ir_2(dimen)_4^(2+) in solution.
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| Alternate Title: | Structures of [M2(dimen)4](Y)2 (M = Rh, Ir; dimen = 1,8-Diisocyanomenthane; Y = PF6, Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, B(C6H5)4) Crystals Featuring an Exceptionally Wide Range of Metal−Metal Distances and Dihedral Twist Angles | |||||||||
| Additional Information: | © 1996 American Chemical Society. Received July 7, 1995. Work at the University of Minnesota and the California Institute of Technology was supported by the National Science Foundation. We thank Johnson Matthey for generous loans of rhodium trichloride and iridium trichloride. | |||||||||
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| Issue or Number: | 3 | |||||||||
| DOI: | 10.1021/ic9508637 | |||||||||
| Record Number: | CaltechAUTHORS:20180525-134636164 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180525-134636164 | |||||||||
| Official Citation: | Structures of [M2(dimen)4](Y)2 (M = Rh, Ir; dimen = 1,8-Diisocyanomenthane; Y = PF6, Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, B(C6H5)4) Crystals Featuring an Exceptionally Wide Range of Metal−Metal Distances and Dihedral Twist Angles Christopher L. Exstrom, Doyle Britton, Kent R. Mann, Michael G. Hill, Vincent M. Miskowski, William P. Schaefer, Harry B. Gray, and William M. Lamanna Inorganic Chemistry 1996 35 (3), 549-550 DOI: 10.1021/ic9508637 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 86636 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 25 May 2018 20:58 | |||||||||
| Last Modified: | 15 Nov 2021 20:40 |
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