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Title: New coordination features; A bridging pyridine and the forced shortest non-covalent distance between two CO 3 2- species

Abstract

The aerobic reaction of the multidentate ligand 2,6-bis-(3-oxo-3-(2-hydroxyphenyl)-propionyl)-pyridine, H 4L, with Co (II) salts in strong basic conditions produces the clusters [Co 4(L) 2(OH)(py) 7]NO 3 (1) and [Co 8Na 4(L) 4(OH) 2(CO 3) 2(py) 10](BF 4) 2 (2). Analysis of their structure unveils unusual coordination features including a very rare bridging pyridine ligand or two trapped carbonate anions within one coordination cage, forced to stay at an extremely close distance (d O···O = 1.946 Å). This unprecedented non-bonding proximity represents a meeting point between long covalent interactions and “intermolecular” contacts. Furthermore, these original motifs have been analysed here through DFT calculations, which have yielded interaction energies and the reduced repulsion energy experimented by both CO 3 2- anions when located in close proximity inside the coordination cage.

Authors:
 [1];  [1];  [1];  [1];  [2];  [1];  [1];  [3];  [1]
  1. Universitat de Barcelona, Barcelona (Spain)
  2. CSIC and Universidad de Zaragoza, Zaragoza (Spain)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1214431
Grant/Contract Number:  
AC02-05CH11231; Starting Grant (258060 FuncMolQIP)
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Chemical Science
Additional Journal Information:
Journal Volume: 6; Journal Issue: 1; Journal ID: ISSN 2041-6520
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Velasco, V., Aguilà, D., Barrios, L. A., Borilovic, I., Roubeau, O., Ribas-Ariño, J., Fumanal, M., Teat, S. J., and Aromi, G. New coordination features; A bridging pyridine and the forced shortest non-covalent distance between two CO32- species. United States: N. p., 2014. Web. doi:10.1039/C4SC02491E.
Velasco, V., Aguilà, D., Barrios, L. A., Borilovic, I., Roubeau, O., Ribas-Ariño, J., Fumanal, M., Teat, S. J., & Aromi, G. New coordination features; A bridging pyridine and the forced shortest non-covalent distance between two CO32- species. United States. doi:10.1039/C4SC02491E.
Velasco, V., Aguilà, D., Barrios, L. A., Borilovic, I., Roubeau, O., Ribas-Ariño, J., Fumanal, M., Teat, S. J., and Aromi, G. Mon . "New coordination features; A bridging pyridine and the forced shortest non-covalent distance between two CO32- species". United States. doi:10.1039/C4SC02491E. https://www.osti.gov/servlets/purl/1214431.
@article{osti_1214431,
title = {New coordination features; A bridging pyridine and the forced shortest non-covalent distance between two CO32- species},
author = {Velasco, V. and Aguilà, D. and Barrios, L. A. and Borilovic, I. and Roubeau, O. and Ribas-Ariño, J. and Fumanal, M. and Teat, S. J. and Aromi, G.},
abstractNote = {The aerobic reaction of the multidentate ligand 2,6-bis-(3-oxo-3-(2-hydroxyphenyl)-propionyl)-pyridine, H4L, with Co(II) salts in strong basic conditions produces the clusters [Co4(L)2(OH)(py)7]NO3 (1) and [Co8Na4(L)4(OH)2(CO3)2(py)10](BF4)2 (2). Analysis of their structure unveils unusual coordination features including a very rare bridging pyridine ligand or two trapped carbonate anions within one coordination cage, forced to stay at an extremely close distance (dO···O = 1.946 Å). This unprecedented non-bonding proximity represents a meeting point between long covalent interactions and “intermolecular” contacts. Furthermore, these original motifs have been analysed here through DFT calculations, which have yielded interaction energies and the reduced repulsion energy experimented by both CO32- anions when located in close proximity inside the coordination cage.},
doi = {10.1039/C4SC02491E},
journal = {Chemical Science},
number = 1,
volume = 6,
place = {United States},
year = {Mon Sep 29 00:00:00 EDT 2014},
month = {Mon Sep 29 00:00:00 EDT 2014}
}

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Cited by: 4 works
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Works referenced in this record:

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