Open-Framework Germanates: Crystallography, structures and cluster building units
2008 (English)Doctoral thesis, comprehensive summary (Other academic)
This thesis is focussing on the crystallographic challenges and what knowledge we can gain from studying the different open-framework germanates. Five new open-framework germanates have been synthesized and the structures have been determined by single crystal X-ray diffraction. A thorough description is made of the different problems raised with the different compounds, whether it is choice of crystal system in SU-61, twinning and possible ordering in SU-46, superstructure and variation in elemental content in SU-57, template disorder in JLG-5 or framework disorder in SU-44.
Open-framework germanates are often built from one type of cluster, such as the Ge7 [Ge7X19], Ge8 [Ge8X20], Ge9 [Ge9Xn, n =25-26] and Ge10 [Ge10X28], (X =O, OH, F) clusters. The structures built by clusters containing different kinds of polyhedra are discussed, with a focus on the 4-coordinated Ge7 clusters, the larger cluster aggregate found in SU-8 and SU-44 and the structures built by the Ge10 clusters.
Place, publisher, year, edition, pages
Stockholm: Institutionen för fysikalisk kemi, oorganisk kemi och strukturkemi , 2008. , 90 p.
germanate, crystallography, building unit, zeotype, scale chemistry
Research subject Structural Chemistry
IdentifiersURN: urn:nbn:se:su:diva-7501ISBN: 978-91-7155-570-0OAI: oai:DiVA.org:su-7501DiVA: diva2:198435
2008-05-16, Magnélisalen, Kemiska övningslaboratoriet, Svante Arrhenius väg 12 A, Stockholm, 10:00
Monge, Angeles, Professor
Zou, Xiaodong, ProfessorTerasaki, Osamu, Professor
List of papers