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Inorganics
Special Issues
Oxido Compounds
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Oxido Compounds

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Inorganic Solid-State Chemistry".

Deadline for manuscript submissions: closed (30 November 2019) | Viewed by 12807

Special Issue Editor

Prof. Dr. Matthias Weil

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Guest Editor
Institute for Chemical Technologies and Analytics, Division of Structural Chemistry, TU Wien, Getreidemarkt 9/164-SC, A-1060 Vienna, Austria
Interests: synthesis of inorganic materials; solid state chemistry; crystallography; phase transitions; oxido compounds
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Except for the lighter noble gases, oxygen is able to react with nearly all elements under formation of binary oxides. In case additional elements participate in the oxidation reaction, either multinary oxides or oxido compounds can be formed. The latter are characterized by anionic groups AxOyz− with a characteristic polyhedral shape and are known for the majority of chemical elements A. Just to name a few, borates [BO33−], carbonates [CO32−], nitrites [NO2−] and nitrates [NO3−], silicates [SiO44−], phosphates [PO43−], chromates [CrO42−], or tellurites [TeO32−] and tellurates [TeO66−] are typical representatives of oxido compounds. Various possible oxidation states of A and the ability to form hydrated and/or condensed anions considerably widens this ubiquitous class of compounds. Oxido compounds not only represent the clear majority of minerals and rocks in the earth’s crust but are likewise of paramount interest in chemical and physical sciences and are present in technology with multitudinous applications.

In this Special Issue, we invite investigators working in a wide range of disciplines to submit articles or communications reporting the synthesis, structural characterisation, and properties of new inorganic oxido compounds. Some topics that may be covered by these contributions are listed below as keywords. However, the keywords are considered only as a guideline — this Special Issue is open for a much greater number of topics or sub-topics and is intended to show the broadness and importance of the research area with respect to inorganic oxido compounds.

Prof. Dr. Matthias Weil
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Inorganics is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • synthetic aspects of oxido compounds
  • crystal structure determinations of oxido compounds
  • crystal-chemical aspects of oxido compounds
  • structural characterisation of oxido compounds with complementary techniques
  • applications of oxido compounds

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Published Papers (4 papers)

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Research

10 pages, 9275 KiB  
Article
Crystal Structure and Thermal Behavior of SbC2O4OH and SbC2O4OD
by Holger Kohlmann, Anne Rauchmaul, Simon Keilholz and Alexandra Franz
Inorganics 2020, 8(3), 21; https://doi.org/10.3390/inorganics8030021 - 19 Mar 2020
Cited by 1 | Viewed by 2831
Abstract
The order of OH groups in the crystal structure of SbC2O4OH, a potential precursor in the synthesis of ternary oxides, was debated. Neutron diffraction on the deuteride SbC2O4OD revealed disordered OD groups with half occupation [...] Read more.
The order of OH groups in the crystal structure of SbC2O4OH, a potential precursor in the synthesis of ternary oxides, was debated. Neutron diffraction on the deuteride SbC2O4OD revealed disordered OD groups with half occupation for deuterium atoms on either side of a mirror plane (SbC2O4OD at T = 298(1) K: Pnma, a = 582.07(3) pm, b = 1128.73(5) pm, c = 631.26(4) pm). O–H stretching frequencies are shifted by a factor of 1.35 from 3390 cm−1 in the hydride to 2513 cm−1 in the deuteride as seen in infrared spectra. SbC2O4OH suffers radiation damage in a synchrotron beam, which leaves a dark amorphous residue. Thermal decomposition at 564 K yields antimony oxide, carbon dioxide, carbon oxide, and water in an endothermic reaction. When using SbC2O4OH as a precursor in reactions, however, ternary oxides are only formed at much higher temperatures. Full article
(This article belongs to the Special Issue Oxido Compounds)
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9 pages, 1917 KiB  
Article
M[B2(SO4)4] (M = Mn, Zn)—Syntheses and Crystal Structures of Two New Phyllosilicate Analogue Borosulfates
by Leonard C. Pasqualini, Hubert Huppertz and Jörn Bruns
Inorganics 2019, 7(12), 145; https://doi.org/10.3390/inorganics7120145 - 17 Dec 2019
Cited by 11 | Viewed by 3563
Abstract
Borosulfates are a rapidly expanding class of silicate analogue materials, where the structural diversity is expected to be at least as large as known for silicates. However, borosulfates with cross-linking of the anionic network into two or even three dimensions are still very [...] Read more.
Borosulfates are a rapidly expanding class of silicate analogue materials, where the structural diversity is expected to be at least as large as known for silicates. However, borosulfates with cross-linking of the anionic network into two or even three dimensions are still very rare. Herein, we present two new representatives with phyllosilicate analogue topology. Through solvothermal reactions of ZnO and MnCl2∙4H2O with boric acid in oleum (65% SO3), we obtained single-crystals of Mn[B2(SO4)4] (monoclinic, P21/n, Z = 2, a = 8.0435(4), b = 7.9174(4), c = 9.3082(4) Å, β = 110.94(1)°, V = 553.63(5) Å3) and Zn[B2(SO4)4] (monoclinic, P21/n, Z = 2, a = 7.8338(4), b = 8.0967(4), c = 9.0399(4) Å, β = 111.26(1)°, V = 534.36(5) Å3). The crystal structures reveal layer-like anionic networks with alternating vierer- and zwölfer-rings formed exclusively by corner-linked (SO4)- and (BO4)-tetrahedra. Full article
(This article belongs to the Special Issue Oxido Compounds)
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9 pages, 2299 KiB  
Article
High-Pressure Synthesis, Crystal Structure, and Photoluminescence Properties of β-Y2B4O9:Eu3+
by Birgit Fuchs, Franziska Schröder, Gunter Heymann, Thomas Jüstel and Hubert Huppertz
Inorganics 2019, 7(11), 136; https://doi.org/10.3390/inorganics7110136 - 12 Nov 2019
Viewed by 3007
Abstract
A high-pressure/high-temperature experiment at 7.5 GPa and 1673 K led to the formation of the new compound β-Y2B4O9. In contrast to the already known polymorph α-Y2B4O9, which crystallizes in [...] Read more.
A high-pressure/high-temperature experiment at 7.5 GPa and 1673 K led to the formation of the new compound β-Y2B4O9. In contrast to the already known polymorph α-Y2B4O9, which crystallizes in the space group C2/c, the reported structure could be solved via single-crystal X-ray diffraction in the triclinic space group P 1 ¯ (no. 2) and is isotypic to the already known lanthanide borates β-Dy2B4O9 and β-Gd2B4O9. Furthermore, the photoluminescence of an europium doped sample of β-Y2B4O9:Eu3+ (8%) was investigated. Full article
(This article belongs to the Special Issue Oxido Compounds)
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12 pages, 1324 KiB  
Article
Arsenates of Divalent Metals Comprising Arsenic Acid—An Update
by Matthias Weil
Inorganics 2019, 7(10), 122; https://doi.org/10.3390/inorganics7100122 - 9 Oct 2019
Cited by 3 | Viewed by 2763
Abstract
Divalent metal oxidoarsenates(V) with compositions M(H2AsO4)2(H3AsO4)2 (M = Mg, Mn, Co, Ni), M(HAsO4)(H3AsO4)(H2O)0.5 (M = Mn, Cd) and Zn(HAsO [...] Read more.
Divalent metal oxidoarsenates(V) with compositions M(H2AsO4)2(H3AsO4)2 (M = Mg, Mn, Co, Ni), M(HAsO4)(H3AsO4)(H2O)0.5 (M = Mn, Cd) and Zn(HAsO4)(H3AsO4) were obtained from solutions containing an excess of arsenic acid. Single crystal X-ray diffraction revealed isotypism of the M(H2AsO4)2(H3AsO4)2 (M = Mg, Mn, Co, Ni) structures with the known Cu and Zn members of this series whereas M(HAsO4)(H3AsO4)(H2O)0.5 (M = Mn, Cd) and Zn(HAsO4)(H3AsO4) crystallize in novel structure types. The two isotypic M(HAsO4)(H3AsO4)(H2O)0.5 (M = Mn, Cd) structures are closely related with that of Zn(HAsO4)(H3AsO4). Both comprise undulating centrosymmetric [ ∝ 1 MO4/2O2/1] chains that share corners with HAsO42− tetrahedra and H3AsO4 tetrahedra to build up layers extending along (001). Intermediate water molecules (occupancy 0.5) link adjacent layers in the water-containing compound whereas the linkage in the Zn-compound is mediated by weak hydrogen bonding interactions between the layers. Results of a quantitative comparison between all known structures of the M(H2XO4)2(H3XO4)2 (M = Mg, Mn, Co, Ni, Cu, Zn; X = P, As) series as well as between the two M(HAsO4)(H3AsO4)(H2O)0.5 (M = Mn, Cd) structures are presented. Full article
(This article belongs to the Special Issue Oxido Compounds)
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