{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:54:11Z","timestamp":1791420851534,"version":"4.3.3"},"reference-count":33,"publisher":"Wiley","issue":"33","license":[{"start":{"date-parts":[[2010,8,2]],"date-time":"2010-08-02T00:00:00Z","timestamp":1280707200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2010,9,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Structures of layered metal hydroxides are not well described by traditional crystallography. Total scattering from a synthesis\u2010controlled subset of these materials, as described here, reveals that different cobalt coordination polyhedra cluster within each layer on short length scales, offering new insights and approaches for understanding the properties of these and related layered materials. Structures related to that of brucite [Mg(OH)<jats:sub>2<\/jats:sub>] are ubiquitous in the mineral world and offer a variety of useful functions ranging from catalysis and ion\u2010exchange to sequestration and energy transduction, including applications in batteries. However, it has been difficult to resolve the atomic structure of these layered compounds because interlayer disorder disrupts the long\u2010range periodicity necessary for diffraction\u2010based structure determination. For this reason, traditional unit\u2010cell\u2010based descriptions have remained inaccurate. Here we apply, for the first time to such layered hydroxides, synchrotron X\u2010ray total scattering methods\u2014analyzing both the Bragg and diffuse components\u2014to resolve the intralayer structure of three different \u03b1\u2010cobalt hydroxides, revealing the nature and distribution of metal site coordination. The different compounds with incorporated chloride ions have been prepared with kinetic control of hydrolysis to yield different ratios of octahedrally and tetrahedrally coordinated cobalt ions within the layers, as confirmed by total scattering. Real\u2010space analyses indicate local clustering of polyhedra within the layers, manifested in the weighted average of different ordered phases with fixed fractions of tetrahedrally coordinated cobalt sites. These results, hidden from an averaged unit\u2010cell description, reveal new structural characteristics that are essential to understanding the origin of fundamental material properties such as color, anion exchange capacity, and magnetic behavior. Our results also provide further insights into the detailed mechanisms of aqueous hydrolysis chemistry of hydrated metal salts. We emphasize the power of the methods used here for establishing structure\u2013property correlations in functional materials with related layered structures.<\/jats:p>","DOI":"10.1002\/chem.201000661","type":"journal-article","created":{"date-parts":[[2010,8,10]],"date-time":"2010-08-10T10:15:46Z","timestamp":1281435346000},"page":"9998-10006","source":"Crossref","is-referenced-by-count":40,"title":["Cobalt Coordination and Clustering in \u03b1\u2010Co(OH)<sub>2<\/sub> Revealed by Synchrotron X\u2010ray Total Scattering"],"prefix":"10.1002","volume":"16","author":[{"given":"James\u2005R.","family":"Neilson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joshua\u2005A.","family":"Kurzman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ram","family":"Seshadri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel\u2005E.","family":"Morse","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2010,8,26]]},"reference":[{"key":"e_1_2_6_1_2","volume-title":"Structural Inorganic Chemistry","author":"Wells A. 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