Sökning: WFRF:(Noréus Dag) > SrH2Mg2[Co(I)H5], B...
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000 | 02639nam a2200301 4500 | |
001 | oai:DiVA.org:su-89754 | |
003 | SwePub | |
008 | 130507| | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-897542 URI |
040 | a (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a vet2 swepub-contenttype |
072 | 7 | a ovr2 swepub-publicationtype |
100 | 1 | a Fahlquist, Henrik,d 1983-u Stockholms universitet,Avdelningen för oorganisk kemi och strukturkemi4 aut0 (Swepub:su)hefa3039 |
245 | 1 0 | a SrH2Mg2[Co(I)H5], BaH2Mg5[Co(-I)H4]2 and RbH2Mg5[Co(-I)H4 Ni(0)H4] illustrate how small variations in counter ions are important for the solid state stabilization of 3d-transition metal hydrido complexes as well as influencing electrical and magnetic properties |
338 | a print2 rdacarrier | |
520 | a Variations in the counter ion support to low valent 3d transition metal hydrido complexes in solids state hydrides influence formal oxidation states as well as their electrical properties. In a combined study using neutron scattering and first principle calculations a very low formal oxidation state of (-I) can be described for cobalt in a slightly distorted tetrahedral Co(-I)H4-complex in BaH2Mg5[Co(-I)H4]2 and in the structurally closely related RbH2Mg5[Co(-I)H4 Ni(0)H4]. This indicates that the electron “back donating” effect via the polarisable hydride ions to the counter ions in the solid state hydrides, can be compared to more conventional “back bonding” and reduce the oxidation state down to -I. The hydrides were synthesised by hot sintering of transition metal powders with the corresponding binary alkali- and alkaline earth hydrides. In the similarly synthesized SrH2Mg2[Co(I)H5] cobalt is formally +I-valent, showing a high sensitivity to subtle differences in the counter ion framework. | |
650 | 7 | a NATURVETENSKAPx Kemix Materialkemi0 (SwePub)104032 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Materials Chemistry0 (SwePub)104032 hsv//eng |
653 | a Structural Chemistry | |
653 | a strukturkemi | |
700 | 1 | a Moser, Davidu Stockholms universitet,Avdelningen för oorganisk kemi och strukturkemi4 aut |
700 | 1 | a Noréus, Dagu Stockholms universitet,Avdelningen för oorganisk kemi och strukturkemi4 aut0 (Swepub:su)dag |
700 | 1 | a Refson, Keithu STFC Rutherford Appleton Laboratory4 aut |
700 | 1 | a Parker, Stewart F.u STFC Rutherford Appleton Laboratory4 aut |
710 | 2 | a Stockholms universitetb Avdelningen för oorganisk kemi och strukturkemi4 org |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-89754 |
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