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Crystal Structure of the New Cobalt Tellurite Chloride Co5Te4O11Cl4
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för fysikalisk kemi, oorganisk kemi och strukturkemi.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK), Avdelningen för oorganisk kemi och strukturkemi.ORCID-id: 0000-0003-4319-1540
2007 (engelsk)Inngår i: Zeitschrift für Anorganische und Allgemeines Chemie, ISSN 0044-2313, E-ISSN 1521-3749, Vol. 633, nr 3, s. 422-424Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The crystal structure of the new compound Co5Te4O11Cl4 is described. It crystallizes in the triclinic system, space group P-1 with the unit cell parameters a = 822.26(8) pm, b = 1029.7(1) pm, c = 1031.1(1) pm, = 110.80(1)°, β = 97.950(9)°, = 98.260(9)° and Z = 2. The structure is layered along the bc–plane and built by [CoO5Cl], [CoO4Cl2] and [CoO4Cl] polyhedra sandwiched by [TeO3E] and [TeO4E] polyhedra. The layers can be regarded as infinite molecules without any net charge and only weak van der Waals forces connect them to each other. The halides and the lone-pair, E, of TeIV protrude from the layers.

sted, utgiver, år, opplag, sider
Weinheim: WILEY-VCH Verlag , 2007. Vol. 633, nr 3, s. 422-424
Emneord [en]
Oxohalides, Tellurites, Lone–pair elements, Crystal structure
HSV kategori
Identifikatorer
URN: urn:nbn:se:su:diva-23090DOI: 10.1002/zaac.200600336OAI: oai:DiVA.org:su-23090DiVA, id: diva2:190060
Tilgjengelig fra: 2007-01-02 Laget: 2007-01-02 Sist oppdatert: 2020-02-06bibliografisk kontrollert
Inngår i avhandling
1. Terminating species and Lewis acid-base preference in oxohalides – a new route to low-dimensional compounds
Åpne denne publikasjonen i ny fane eller vindu >>Terminating species and Lewis acid-base preference in oxohalides – a new route to low-dimensional compounds
2007 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

This thesis is based upon synthesis and structure determination of new transition metal oxo-halide compounds, which includes p-element cations that have a stereochemically active lone pair. A synthesis concept has been developed, which uses several different structural features to increase the possibility to yield a low-dimensional arrangement of transition metal cations. A total of 17 new compounds has been synthesised and their structures have been determined via single-crystal X-ray diffraction. The halides and the stereochemically active lone-pairs will typically act as terminating species segregating into regions of non-bonding volumes, which may take the form of 2D layers, 1D channels or Euclidean spheres. The transition metals that have been used for this work are copper, cobalt and iron. The Hard-Soft-Acid-Base principle has been utilized to match strong Lewis acids to strong Lewis bases and weak acids to weak bases. All compounds show tendencies towards low-dimensionality; they all have sheets of transition metal cations arranged into layers, where the layers most often are connected via weak dispersion forces.

sted, utgiver, år, opplag, sider
Stockholm: Institutionen för fysikalisk kemi, oorganisk kemi och strukturkemi, 2007. s. 174
Emneord
Low dimensionality, crystal structures, tellurites, selenites, oxohalides
HSV kategori
Identifikatorer
urn:nbn:se:su:diva-1414 (URN)91-7155-365-7 (ISBN)
Disputas
2007-02-02, Magnélisalen, Kemiska övningslaboratoriet, Svante Arrhenius väg 12 A, Stockholm, 10:00
Opponent
Veileder
Tilgjengelig fra: 2007-01-02 Laget: 2007-01-02bibliografisk kontrollert

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