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Inorganics
Special Issues
State-of-the-Art Inorganic Chemistry in Germany
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State-of-the-Art Inorganic Chemistry in Germany

A special issue of Inorganics (ISSN 2304-6740).

Deadline for manuscript submissions: 31 May 2025 | Viewed by 3146

Special Issue Editors

Prof. Dr. Hicham Idriss

E-Mail Website
Guest Editor
Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany
Interests: catalysis; hydrogen production/water splitting; electron transfer; surface reactions; reducible oxides
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Axel Klein

E-Mail Website
Guest Editor
Faculty of Mathematics and Natural Sciences, Department of Chemistry, Institute for Inorganic Chemistry, University of Cologne, Greinstraße 6, 50939 Köln, Germany
Interests: transition metal complexes (including organometallic); platinum, palladium, nickel; synthesis; electrochemistry; photophysics; spectroscopy; modelling of catalytic processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This regional Special Issue focuses on the frontiers of inorganic chemistry in Germany. Colleagues are invited to submit original articles, communications, and critical reviews. We welcome submissions that are within the scope of inorganic chemistry research.

Topics include but are not limited to the following research areas:

  • Coordination chemistry;
  • Organometallic chemistry;
  • Bioinorganic chemistry;
  • Solid-state chemistry;
  • Inorganic materials;
  • MOFs (metal–organic frameworks);
  • Energy;
  • Catalysis (including photo- and electro-catalysis).

Prof. Dr. Hicham Idriss
Prof. Dr. Axel Klein
Guest Editors

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

  • synthesis
  • structure
  • reactivity
  • activity
  • chemical properties
  • physical properties
  • applications
  • inorganic compounds
  • inorganic complexes
  • inorganic materials

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Published Papers (3 papers)

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Research

15 pages, 3847 KiB  
Article
2,1,3-Benzoselenadiazole as Mono- and Bidentate N-Donor for Heteroleptic Cu(I) Complexes: Synthesis, Characterization and Photophysical Properties
by Valentina Ferraro, Fabian Hoffmann, Olaf Fuhr, Burkhard Luy and Stefan Bräse
Inorganics 2024, 12(8), 201; https://doi.org/10.3390/inorganics12080201 - 25 Jul 2024
Viewed by 746
Abstract
Mono- and binuclear Cu(I) complexes were isolated employing 2,1,3-benzoselenadiazole (BSeD) as the N-donor ligand, and triphenylphosphine or bis[(2-diphenylphosphino)phenyl] ether (DPEphos) as P-donors. Then, 77Se NMR was measured for the free ligand and the corresponding Cu(I) derivatives, and the related signal was downshifted [...] Read more.
Mono- and binuclear Cu(I) complexes were isolated employing 2,1,3-benzoselenadiazole (BSeD) as the N-donor ligand, and triphenylphosphine or bis[(2-diphenylphosphino)phenyl] ether (DPEphos) as P-donors. Then, 77Se NMR was measured for the free ligand and the corresponding Cu(I) derivatives, and the related signal was downshifted by 12.86 ppm in the case of [Cu(BSeD)(PPh3)2(ClO4)], and around 15 ppm for the binuclear species. The structure of [Cu(BSeD)(PPh3)2(ClO4)] and [Cu2(μ2-BSeD)(DPEphos)2(ClO4)2] was confirmed by single-crystal X-ray diffraction. The geometry of the Cu(I) complexes was optimized through DFT calculations, and the nature of the Cu···O interaction was investigated through AIM analysis. The three Cu(I) complexes were characterized by intense absorption under 400 nm and, after being excited with blue irradiation, [Cu(BSeD)(PPh3)2(ClO4)] and [Cu2(μ2-BSeD)(PPh3)4(ClO4)2] exhibited weak red emissions centered at 700 nm. The lifetimes comprised between 121 and 159 μs support the involvement of triplet excited states in the emission process. The photoluminescent properties of [Cu(BSeD)(PPh3)2(ClO4)] were supported by TDDFT computations, and the emission was predicted at 710 nm and ascribed to a metal-to-ligand charge transfer (3MLCT) process, in agreement with the experimental data. Full article
(This article belongs to the Special Issue State-of-the-Art Inorganic Chemistry in Germany)
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11 pages, 2302 KiB  
Article
Synthesis of Tris(trifluoromethyl)nickelates(II)—Coping with “The C2F5 Problem”
by Sascha A. Schäfer, Rose Jordan, Katharina M. Klupsch, Felix Carl-Heinz Herwede and Axel Klein
Inorganics 2024, 12(7), 187; https://doi.org/10.3390/inorganics12070187 - 5 Jul 2024
Viewed by 867
Abstract
When synthesizing the versatile precursors (NMe4)[Ni(CF3)3(MeCN)] we recently encountered the problem that marked amounts of C2F5 were incorporated instead of CF3 under the chosen reaction conditions forming mixed-ligand nickelates [Ni(CF3)x(C2 [...] Read more.
When synthesizing the versatile precursors (NMe4)[Ni(CF3)3(MeCN)] we recently encountered the problem that marked amounts of C2F5 were incorporated instead of CF3 under the chosen reaction conditions forming mixed-ligand nickelates [Ni(CF3)x(C2F5)y(MeCN)]− (x + y = 3). We studied the three products with y = 0, 1, or 2, using 19F nuclear magnetic resonance (NMR) spectroscopy and single-crystal X-ray diffraction. We were able to trace the reaction mechanism and solve the problem by modifying the experimental conditions. Full article
(This article belongs to the Special Issue State-of-the-Art Inorganic Chemistry in Germany)
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11 pages, 4354 KiB  
Article
Direct Synthesis of C-Substituted [RC(O)CH2-CB11H11]− Carborate Anions
by Vanessa C. Barra, Eduard Bernhardt, Sarah Fellinger, Carsten Jenne and Shiomi S. Langenbach
Inorganics 2024, 12(6), 173; https://doi.org/10.3390/inorganics12060173 - 19 Jun 2024
Viewed by 843
Abstract
A new synthetic method for the synthesis of C-substituted [RC(O)CH2-CB11H11]− carborate anions has been developed. The reaction of [closo-B11H11]2− with terminal alkynes in the presence of a copper [...] Read more.
A new synthetic method for the synthesis of C-substituted [RC(O)CH2-CB11H11]− carborate anions has been developed. The reaction of [closo-B11H11]2− with terminal alkynes in the presence of a copper catalyst leads to insertion into the boron cluster, and C-substituted [RC(O)CH2-CB11H11]− carborate anions are formed. These reactions are strongly dependent on the reaction conditions, the solvents, and the alkynes used. The alkynes HCCCO2Et, HCCCO2Me, and HCCCONH2 lead to the formation of [NH2C(O)CH2-CB11H11]− as the final product in aqueous ammonia solution. In contrast, the reaction using the alkyne HCCCOMe yields [MeC(O)CH2-CB11H11]−. The products have been fully characterized by multinuclear NMR and IR spectroscopy as well as mass spectrometry. The crystal structures of K[NH2C(O)CH2-CB11H11] and [NEt3CH2Cl][NH2C(O)CH2-CB11H11] have been determined. Full article
(This article belongs to the Special Issue State-of-the-Art Inorganic Chemistry in Germany)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Baden Blue: A Formate Analogue of Prussian Blue
Authors: Martin Viertelhaus, Jonas Braun, Sharali Malik, Christopher E. Anson, Annie K. Powell
Affiliation: Karlsruhe Institute of Technology (KIT)
Abstract: We report the solvothermal synthesis and crystal structure of [MgII(H2O)6][FeIII2{FeIIxMgII1-x}2(O2CH)12]·3HCO2H. The dark blue compound crystallises with a cubic lattice in which trivalent iron ions alternate with divalent iron or magnesium ions in a similar fashion to Prussian Blue. Rather than having cyano bridges the metal ions are connected by formate bridges. This creates an intervalent system as shown by the magnetic and spectroscopic data.

Title: Studies Towards Persilylation of π-Cyclopentadienyl Complexes. Molecular Structures of [Fe(C5H5){C5(SiMe2H)5}], [Fe(C5H5){C5Br3(SiMe3)2}] and [Fe(C5H5){C5Br2(SiMe3)3}]
Authors: Stefanie Bernhartzeder; Tobias Blockhaus; Markus Lang; Karlheinz Sünkel
Affiliation: Department Chemistry, Ludwig Maximilians University Munich
Abstract: Increasing the number of SiMe3 substituents on a cyclopentadienylring has besides a stabilizing effect of unusual coordination geometries and oxidation states also the effect of increasing solubility in unipolar solvents and increasing the volatility. Starting from Pentabromoferrocene and pentabromo(pentamethyl)ruthenocene we could achieve the introduction of up to five silyl (SiMe2H or SiMe3) groups to give [Fe(C5H5){C5(SiMe2R)5}], R= H, Me, and [Ru(C5Me5){C5(SiMe2H)5}]. However, yields were very low and nearly all intermediate steps afforded mixtures of similar silyl-substituted compounds, which were difficult so separate. The crystal structures of [Fe(C5H5){C5(SiMe2H)5}] (13b), [Fe(C5H5){C5Br3(SiMe3)2}] (4b) and [Fe(C5H5){C5Br2(SiMe3)3}] (8b) were determined..

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