Synthesis and X-ray diffraction study of hexaamminecobalt(III) sodium ethylenediaminetetraacetate 3.5-hydrate
Identifieur interne : 001665 ( Istex/Checkpoint ); précédent : 001664; suivant : 001666Synthesis and X-ray diffraction study of hexaamminecobalt(III) sodium ethylenediaminetetraacetate 3.5-hydrate
Auteurs : E. O. Schlemper [États-Unis]Source :
- Journal of Crystal and Molecular Structure [ 0308-4086 ] ; 1977-04-01.
English descriptors
- Teeft :
- Acta cryst, Amine nitrogens, Aqueous solution, Average distance, Average ligand distances, Bond angles, Carboxyl, Carboxyl groups, Carboxyl oxygen, Carboxyl oxygens, Cryst, Crystal structure, Data collection, Equivalent weight, Extensive hydrogen, Hydrogen atoms, Possible hydrogen bonds, Present case, Schlemper, Short hydrogen bonds, Sodium ions, Space group, Twofold axis, Water molecule, Water molecules.
Abstract
Abstract: The title compound [Co(NH3)6] [Na(EDTA-4H)],3.5H2O has been synthesized, and its crystal structure has been determined from 2064 independent single-crystal reflections measured on a diffractometer. The crystals are tetragonal, space groupP4212, with unit-cell parametersa = 14.618(5) andc = 10.658(4) Å. There are four formula entities in the unit cell givingD c = 1.562(2) g cm−3 compared withD m = 1.56(1) g cm−3. The structure was solved by conventional Patterson and Fourier techniques, and refined by full-matrix least-squares methods to a final agreement factor of 3.6%. The compound contains two crystallographically independent octahedral [Co(NH3)6]3+ ions, with an average Co—N distance of 1.966(6) Å, and a seven-coordinate sodium ion which is coordinated to four carboxyl oxygens, two amine nitrogens, and a water molecule which bridges to another sodium ion. The EDTA is therefore acting in its normal hexadentate manner. The range of Na—O distances is 2.25 to 2.93 Å whereas the Na—N distance is 2.46 Å. The crystal structure is additionally stabilized by extensive hydrogen bonding among coordinated ammonias, carboxyl oxygens, and water molecules.
Url:
DOI: 10.1007/BF01369834
Affiliations:
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Synthesis and X-ray diffraction study of hexaamminecobalt(III) sodium ethylenediaminetetraacetate 3.5-hydrate</title><author><name sortKey="Schlemper, E O" sort="Schlemper, E O" uniqKey="Schlemper E" first="E. O." last="Schlemper">E. O. Schlemper</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:88C777217DE22C59FB95823A8A86422CE05CD557</idno><date when="1977" year="1977">1977</date><idno type="doi">10.1007/BF01369834</idno><idno type="url">https://api.istex.fr/ark:/67375/1BB-12FMVJGD-D/fulltext.pdf</idno><idno type="wicri:Area/Istex/Corpus">000D55</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000D55</idno><idno type="wicri:Area/Istex/Curation">000D55</idno><idno type="wicri:Area/Istex/Checkpoint">001665</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">001665</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Synthesis and X-ray diffraction study of hexaamminecobalt(III) sodium ethylenediaminetetraacetate 3.5-hydrate</title><author><name sortKey="Schlemper, E O" sort="Schlemper, E O" uniqKey="Schlemper E" first="E. O." last="Schlemper">E. O. Schlemper</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Missouri (État)</region></placeName><wicri:cityArea>Department of Chemistry, University of Missouri, 65201, Columbia</wicri:cityArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Crystal and Molecular Structure</title><title level="j" type="abbrev">Journal of Crystal and Molecular Structure</title><idno type="ISSN">0308-4086</idno><idno type="eISSN">1572-8854</idno><imprint><publisher>Kluwer Academic Publishers-Plenum Publishers</publisher><pubPlace>New York</pubPlace><date type="published" when="1977-04-01">1977-04-01</date><biblScope unit="volume">7</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="81">81</biblScope><biblScope unit="page" to="93">93</biblScope></imprint><idno type="ISSN">0308-4086</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0308-4086</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Acta cryst</term><term>Amine nitrogens</term><term>Aqueous solution</term><term>Average distance</term><term>Average ligand distances</term><term>Bond angles</term><term>Carboxyl</term><term>Carboxyl groups</term><term>Carboxyl oxygen</term><term>Carboxyl oxygens</term><term>Cryst</term><term>Crystal structure</term><term>Data collection</term><term>Equivalent weight</term><term>Extensive hydrogen</term><term>Hydrogen atoms</term><term>Possible hydrogen bonds</term><term>Present case</term><term>Schlemper</term><term>Short hydrogen bonds</term><term>Sodium ions</term><term>Space group</term><term>Twofold axis</term><term>Water molecule</term><term>Water molecules</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: The title compound [Co(NH3)6] [Na(EDTA-4H)],3.5H2O has been synthesized, and its crystal structure has been determined from 2064 independent single-crystal reflections measured on a diffractometer. The crystals are tetragonal, space groupP4212, with unit-cell parametersa = 14.618(5) andc = 10.658(4) Å. There are four formula entities in the unit cell givingD c = 1.562(2) g cm−3 compared withD m = 1.56(1) g cm−3. The structure was solved by conventional Patterson and Fourier techniques, and refined by full-matrix least-squares methods to a final agreement factor of 3.6%. The compound contains two crystallographically independent octahedral [Co(NH3)6]3+ ions, with an average Co—N distance of 1.966(6) Å, and a seven-coordinate sodium ion which is coordinated to four carboxyl oxygens, two amine nitrogens, and a water molecule which bridges to another sodium ion. The EDTA is therefore acting in its normal hexadentate manner. The range of Na—O distances is 2.25 to 2.93 Å whereas the Na—N distance is 2.46 Å. The crystal structure is additionally stabilized by extensive hydrogen bonding among coordinated ammonias, carboxyl oxygens, and water molecules.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Missouri (État)</li></region></list><tree><country name="États-Unis"><region name="Missouri (État)"><name sortKey="Schlemper, E O" sort="Schlemper, E O" uniqKey="Schlemper E" first="E. O." last="Schlemper">E. O. Schlemper</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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