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Title: Neutron diffraction studies of a four-coordinated hydride in near square-planar geometry

Abstract

The structure of a nanospheric polyhydrido copper cluster, [Cu20(H)11{S2P(OiPr)2}9], was determined by single-crystal neutron diffraction. Cu20 cluster consists of an elongated triangular orthobicupola constructed from 18 Cu atoms that encapsulate a [Cu2H5}3- ion in the center with an exceptionally short Cu-Cu distance. The eleven hydrides in the cluster display three different coordination modes to the Cu atoms: Six μ3-hydrides in pyramidal geometry, two μ4-hydrides in tetrahedral cavity, and three μ4-hydrides in an unprecedented near square-planar geometry. The neutron data set was collected on a small crystal of the size 0.20 mm x 0.50 mm x 0.65 mm for seven days using the Spallation Neutron Source TOPAZ single-crystal time-of-flight Laue diffractometer at the Oak Ridge National Laboratory. Furthermore, the final R-factor is 8.64% for 16014 reflections.

Authors:
 [1];  [1];  [2];  [3];  [3];  [1]
  1. National Dong Hwa Univ., Hualien (Taiwan)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. CNRS-Univ. de Rennes, Rennes (France)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1163591
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Inorganic Chemistry
Additional Journal Information:
Journal Volume: 53; Journal Issue: 20; Journal ID: ISSN 0020-1669
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; neutron; single crystal diffraction; hydride; copper cluster

Citation Formats

Liao, Jian -Hong, Dhayal, Rajendra Singh, Wang, Xiaoping, Kahlal, Samia, Saillard, Jean -Yves, and Liu, C. W. Neutron diffraction studies of a four-coordinated hydride in near square-planar geometry. United States: N. p., 2014. Web. doi:10.1021/ic501747e.
Liao, Jian -Hong, Dhayal, Rajendra Singh, Wang, Xiaoping, Kahlal, Samia, Saillard, Jean -Yves, & Liu, C. W. Neutron diffraction studies of a four-coordinated hydride in near square-planar geometry. United States. https://doi.org/10.1021/ic501747e
Liao, Jian -Hong, Dhayal, Rajendra Singh, Wang, Xiaoping, Kahlal, Samia, Saillard, Jean -Yves, and Liu, C. W. Tue . "Neutron diffraction studies of a four-coordinated hydride in near square-planar geometry". United States. https://doi.org/10.1021/ic501747e. https://www.osti.gov/servlets/purl/1163591.
@article{osti_1163591,
title = {Neutron diffraction studies of a four-coordinated hydride in near square-planar geometry},
author = {Liao, Jian -Hong and Dhayal, Rajendra Singh and Wang, Xiaoping and Kahlal, Samia and Saillard, Jean -Yves and Liu, C. W.},
abstractNote = {The structure of a nanospheric polyhydrido copper cluster, [Cu20(H)11{S2P(OiPr)2}9], was determined by single-crystal neutron diffraction. Cu20 cluster consists of an elongated triangular orthobicupola constructed from 18 Cu atoms that encapsulate a [Cu2H5}3- ion in the center with an exceptionally short Cu-Cu distance. The eleven hydrides in the cluster display three different coordination modes to the Cu atoms: Six μ3-hydrides in pyramidal geometry, two μ4-hydrides in tetrahedral cavity, and three μ4-hydrides in an unprecedented near square-planar geometry. The neutron data set was collected on a small crystal of the size 0.20 mm x 0.50 mm x 0.65 mm for seven days using the Spallation Neutron Source TOPAZ single-crystal time-of-flight Laue diffractometer at the Oak Ridge National Laboratory. Furthermore, the final R-factor is 8.64% for 16014 reflections.},
doi = {10.1021/ic501747e},
journal = {Inorganic Chemistry},
number = 20,
volume = 53,
place = {United States},
year = {Tue Oct 07 00:00:00 EDT 2014},
month = {Tue Oct 07 00:00:00 EDT 2014}
}

Journal Article:
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Cited by: 58 works
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Figures / Tables:

Table 1 Table 1: Neutron crystallographic data of [Cu20H11{S2P(OiPr)2}9]‧1.5(benzene).

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