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By carrying out a metathetic reaction between sodium succinate and CdCl2 or CdBr2 in an n-butanol−water mixture, two novel open-framework cadmium succinates, [Na3Cd5(C4H4O4)6Cl], I, and [Na3Cd5(C4H4O4)6Br], II, have been isolated. Both of these compounds possess interpenetrating three-dimensional open-framework structures wherein tetrahedral Cl(Br)Cd4O24 clusters are connected by succinate linkages. The tetrahedral cluster itself is formed of four CdO6 octahedra surrounding a halogen atom. The three-dimensional cadmium succinate framework incorporates sodium ions. Four sodiums surround the second nearest neighbor halogen atom, forming a Na4Cl(Br) tetrahedron.
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The lifetimes of the long-lived comonents τ2 in positron annihilation in organic media are found to depend upon the first ionization potentials of the molecules. In alkali halides τ2 is related to the ratio of the volume of the anion to that of the interstitial void.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhase transformations and electrical properties of bismuth sesquioxideC. N. Ramachandra Rao, G. V. Subba Rao, and S. RamdasCite this: J. Phys. Chem. 1969, 73, 3, 672–675Publication Date (Print):March 1, 1969Publication History Published online1 May 2002Published inissue 1 March 1969https://pubs.acs.org/doi/10.1021/j100723a031https://doi.org/10.1021/j100723a031research-articleACS PublicationsRequest reuse permissionsArticle Views393Altmetric-Citations77LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access options Get e-Alerts
Separation of metallic from semiconducting single-walled carbon nanotubes has been a major challenge for some time and some previous efforts have resulted in partial success. We have accomplished the separation effectively by employing fluorous chemistry wherein the diazonium salt of 4-heptadecafluorooc tylaniline selectively reacts with the metallic nanotubes present in the mixture of nanotubes. The resulting fluoroderivative was extracted in perfluorohexane leaving the semiconducting nanotubes in the aqueous layer. The products have been characterized by both Raman and electronic absorption spectroscopy. The method avoids the cumbersome centrifugation step required by some other procedures.
Monte Carlo simulation of liquid water quenched to low temperatures has been carried out in the NPT ensemble. The quenched system shows a glass-like transition and a distribution of hydrogen-bonded species different from the liquid.
Bei der Reduktion von Nitrobenzol mit Lithium in Äthern kann das Nitrobenzolradikal‐Anion erhalten werden.
Nanocrystals of metals covered by alkanethiols organize themselves in two-dimensional arrays. We discuss such arrays of metal nanocrystals at length, with focus on the dependence of the structure and the stability of the arrays on the particle diameter and the distance between the particles. Three-dimensional superstructures of metal nanocrystals obtained by the use of alkanedithiols are examined. These ordered two- and three-dimensional structures of thiolized metal nanocrystals are good examples of mesoscale self-assembly. The association of metal nanocrystals to give rise to giant clusters with magic nuclearity provides an even more graphic demonstration of mesoscale self-assembly.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Absorption Spectra of 5-(Substituted) Amino-1,2,3-thiadiazoles1Eugene Lieber, N. Calvanico, and C. N. R. RaoCite this: J. Org. Chem. 1963, 28, 1, 257–258Publication Date (Print):January 1, 1963Publication History Published online1 May 2002Published inissue 1 January 1963https://pubs.acs.org/doi/10.1021/jo01036a531https://doi.org/10.1021/jo01036a531research-articleACS PublicationsRequest reuse permissionsArticle Views82Altmetric-Citations10LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
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