El Instituto Politécnico Nacional
Contribuye al desarrollo económico y social de la nación, a través de la formación integral de personas competentes; de la investigación, el desarrollo tecnológico y la innovación. Además tiene reconocimiento internacional por su calidad e impacto social.
Por favor, use este identificador para citar o enlazar este ítem:
http://repositoriodigital.ipn.mx/handle/123456789/10986Registro completo de metadatos
| Campo DC | Valor | Lengua/Idioma |
|---|---|---|
| dc.creator | AVILA, M. | - |
| dc.creator | REGUERA, L. | - |
| dc.creator | VARGAS, C. | - |
| dc.creator | REGUERA, E. | - |
| dc.date | 2012-03-27T00:32:12Z | - |
| dc.date | 2012-03-27T00:32:12Z | - |
| dc.date | 2008-12-01 | - |
| dc.date.accessioned | 2013-01-16T11:37:26Z | - |
| dc.date.available | 2013-01-16T11:37:26Z | - |
| dc.date.issued | 2013-01-16 | - |
| dc.identifier | Journal ofPhysicsandChemistryofSolids70(2009)477–482 | - |
| dc.identifier | http://hdl.handle.net/123456789/498 | - |
| dc.identifier.uri | http://www.repositoriodigital.ipn.mx/handle/123456789/10986 | - |
| dc.description | Zinc hexacyanoruthenate(II)andhexacyanoosmate(II)werepreparedandstudiedfromX-ray diffraction (XRD),infrared(IR),andthermogravimetric(TG)data.Thesecompoundswerefoundtobe isomorphouswiththeironanalogues,crystallizingwitharhombohedralunitcell(R 3c spacegroup), where thezincatomhastetrahedralcoordinationtoNendsofCNgroups.ForCs,compoundswith formulaunitZnCs2[M(CN)6] andacubicunitcell(Fm 3m) werealsoobtained.Thecrystalstructures for theeightcompositionswererefinedfromthecorrespondingX-raypowderdiffractionpatternsusing the Rietveldmethod.RelatedtothetetrahedralcoordinationfortheZnatom,therhombohedralphase has aporousframeworkwithellipsoidalcavitiesofabout12.5 9 8A˚ , communicatedbyelliptical windowsof 5A˚ . Withinthesecavitiestheexchangeablealkalimetalionsarefound.Thefillingofthe cavityvolumeiscompletedwithwatermolecules.IRspectrumsensescertainchargedelocalization from theinnermetal,throughthe p-back donationmechanism.ForOscompoundsthiseffectis particularlypronounced,relatedtoamorediffusedorbitalsforthismetal. & 2008ElsevierLtd.Allrightsreserved | - |
| dc.language | en | - |
| dc.publisher | Journal ofPhysicsandChemistryofSolids | - |
| dc.subject | Inorganiccompounds | - |
| dc.subject | Microporousmaterials | - |
| dc.subject | X-raydiffraction | - |
| dc.subject | Crystalstructure | - |
| dc.title | TetrahedralcoordinationforZninhexacyanometallates:Structuresof Zn3A2[M(CN)6]2 xH2O withA ¼ K, Rb,CsandM ¼ Ru,Os | - |
| dc.type | Article | - |
| Aparece en las colecciones: | Doctorado | |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| 2009Zn3A2Ru&Os 1.pdf | 87.89 kB | Adobe PDF | Visualizar/Abrir |
Los ítems de DSpace están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.