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Bekiş DF, Thomas-Hargreaves LR, Ivlev SI, Buchner MR. Multinuclear beryllium amide and imide complexes: structure, properties and bonding. Dalton Trans 2024; 53:15551-15564. [PMID: 39229744 DOI: 10.1039/d4dt02269f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
The beryllium amide and imide complexes [Be(HNMes)2]3, [(py)2Be(HNMes)2], [Be(HNDipp)2]2, [Be(NPh2)(μ2-HNDipp)]2 and [Be(NCPh2)2]3 have been prepared and characterised with NMR and IR spectroscopy as well as single crystal X-ray diffraction. Analysis of the localised molecular orbitals (LMOs) and intrinsic atomic orbital (IAO) atomic charges in the framework of the intrinsic bond orbital (IBO) localization method revealed a covalent bonding network consisting of 2-electron-2-centre and 2-electron-3-centre σ bonds, in which one electron pair of the anionic N-donor ligands is involved. The electron deficiency at the beryllium atoms is partially compensated through additional electron donation from the lone pair at the nitrogen atoms.
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Affiliation(s)
- Deniz F Bekiş
- Anorganische Chemie, Nachwuchsgruppe Hauptgruppenmetallchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
| | - Lewis R Thomas-Hargreaves
- Anorganische Chemie, Nachwuchsgruppe Hauptgruppenmetallchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
| | - Sergei I Ivlev
- Anorganische Chemie, Nachwuchsgruppe Hauptgruppenmetallchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
| | - Magnus R Buchner
- Anorganische Chemie, Nachwuchsgruppe Hauptgruppenmetallchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
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2
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Augustinov W, Müller M, Thomas-Hargreaves LR, Ivlev SI, Buchner MR. Synthesis and Derivatives of Beryllium Triflate. Inorg Chem 2024; 63:5208-5219. [PMID: 38439511 DOI: 10.1021/acs.inorgchem.4c00198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Various pathways for the synthesis of beryllium triflate were investigated. The reaction of triflic acid or trimethylsilyl triflate with beryllium metal in liquid ammonia led to the formation of mono-, di-, and tetra-nuclear beryllium ammine complexes. Utilization of SMe2 as a solvent gave homoleptic Be(OTf)2. Various beryllium triflate complexes with N- and O-donor ligands as well as the complex anions [Be(OTf)4]2- and [Be2(OTf)6]2- were synthesized to evaluate the reactivity and solution properties of beryllium triflate. This showed that OTf- is not a weakly coordinating anion for Be2+ cations and that it exhibits good bridging properties.
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Affiliation(s)
- William Augustinov
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg 35032, Germany
| | - Matthias Müller
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg 35032, Germany
| | | | - Sergei I Ivlev
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg 35032, Germany
| | - Magnus R Buchner
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg 35032, Germany
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Polaczek J, Kieca K, Oszajca M, Impert O, Katafias A, Chatterjee D, Ćoćić D, Puchta R, Stochel G, Hubbard CD, van Eldik R. A Personal Account on Inorganic Reaction Mechanisms. CHEM REC 2023:e202300278. [PMID: 37821418 DOI: 10.1002/tcr.202300278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/22/2023] [Indexed: 10/13/2023]
Abstract
The presented Review is focused on the latest research in the field of inorganic chemistry performed by the van Eldik group and his collaborators. The first part of the manuscript concentrates on the interaction of nitric oxide and its derivatives with biologically important compounds. We summarized mechanistic information on the interaction between model porphyrin systems (microperoxidase) and NO as well as the recent studies on the formation of nitrosylcobalamin (CblNO). The following sections cover the characterization of the Ru(II)/Ru(III) mixed-valence ion-pair complexes, including Ru(II)/Ru(III)(edta) complexes. The last part concerns the latest mechanistic information on the DFT techniques applications. Each section presents the most important results with the mechanistic interpretations.
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Affiliation(s)
- Justyna Polaczek
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Konrad Kieca
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
- Jagiellonian University, Doctoral School of Exact and Natural Sciences, Kraków, 30-348, Krakow, Poland
| | - Maria Oszajca
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Olga Impert
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
| | - Anna Katafias
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
| | - Debabrata Chatterjee
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
- Vice-Chancellor's Research Group, Zoology Department, University of Burdwan, Burdwan, 713104, India
| | - Dušan Ćoćić
- University of Kragujevac, Faculty of Science, Department of Chemistry, Radoja Domanovića 12, P. O. Box 60, 34000, Kragujevac, Serbia
| | - Ralph Puchta
- Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Egerlandstrasse 1, 91058, Erlangen, Germany
- Central Institute for Scientific Computing (CISC), University of Erlangen-Nuremberg, Martensstr. 5a, 91058, Erlangen, Germany
- Computer Chemistry Center, Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Nägelsbachstr. 25, 91052, Erlangen, Germany
| | - Grażyna Stochel
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Colin D Hubbard
- Department of Chemistry, University of New Hampshire, Durham, 03824, USA
| | - Rudi van Eldik
- Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Egerlandstrasse 1, 91058, Erlangen, Germany
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
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4
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Parambath S, Narayanan S J J, Parameswaran P. Five-membered N-heterocyclic beryllium(I) compounds: fluctuating electronic structures with ambiphilic reactivity. Dalton Trans 2023; 52:3378-3385. [PMID: 36810658 DOI: 10.1039/d2dt03263e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The structure, bonding, and reactivity of the five-membered N-heterocyclic beryllium compounds (NHBe), BeN2C2H4 (1) and BeN2(CH3)2C2H2 (2) were studied at the M06/def2-TZVPP//BP86/def2-TZVPP level of theory. The molecular orbital analysis indicates that NHBe is an aromatic 6π-electron system with an unoccupied σ-type spn-hybrid orbital on Be. Energy decomposition analysis combined with natural orbitals for chemical valence has been carried out with Be and L (L = N2C2H4 (1), N2(CH3)2C2H2 (2)) in their different electronic states as fragments at the BP86/TZ2P level of theory. The results indicate that the best bonding representation can be considered as an interaction between Be+ having the 2s02px12py02pz0 electronic configuration and L-. Accordingly, L- forms two donor-acceptor σ-bonds and one electron sharing π-bond with Be+. Compounds 1 and 2 show high proton and hydride affinity at beryllium, indicating its ambiphilic reactivity. The protonated structure results from adding a proton on the lone pair of electrons in the doubly excited state. On the other hand, the hydride adduct is formed by donating electrons from the hydride to an unoccupied σ-type spn-hybrid orbital on Be. These compounds show very high exothermic reaction energy for adduct formation with two electron donor ligands such as cAAC, CO, NHC, and PMe3.
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Affiliation(s)
- Sneha Parambath
- Department of Chemistry, National Institute of Technology, Calicut, Kerala, India.
| | - Jishnu Narayanan S J
- Department of Chemistry, National Institute of Technology, Calicut, Kerala, India.
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Buchner MR, Müller M. Handling Beryllium, the Safe Way. ACS CHEMICAL HEALTH & SAFETY 2023. [DOI: 10.1021/acs.chas.3c00003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Affiliation(s)
- Magnus R. Buchner
- Fachbereich Chemie, Philipps-Universität Marburg, 35032 Marburg, Germany
| | - Matthias Müller
- Fachbereich Chemie, Philipps-Universität Marburg, 35032 Marburg, Germany
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Beryllium ion coordination in Ammonia, methanol and water solvents. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Buchner MR, Müller M. Ethylenediamine complexes of the beryllium halides and pseudo-halides. Dalton Trans 2021; 50:7246-7255. [PMID: 33949519 DOI: 10.1039/d1dt01154e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The suitability of ethylenediamine (en) as an alternative solvent to liquid ammonia in beryllium chemistry was evaluated. Therefore, BeF2, BeCl2, BeBr2, BeI2, [Be(NH3)4](N3)2, [Be(NH3)4](CN)2 and [Be(NH3)4](SCN)2 were reacted with ethylenediamine and analysed via NMR and IR spectroscopy. Additionally single crystal structures of [BeF2(en)]n, [Be(en)3]Cl2, [Be(en)3]Br2, [Be(en)2]I2·en, [Be(en)2](N3)2·en, [Be(en)2]4(SCN)7Cl and [Be3(OH)3(en)3][C2H9N2](SCN)4 were obtained. The anions were found to have a distinct influence on the solubility as well as on the species present in solution and the solid state, while ethylenediamine can act as mono- and bidentate ligand or as a crystal solvent.
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Affiliation(s)
- Magnus R Buchner
- Anorganische Chemie, Nachwuchsgruppe Hauptgruppenmetallchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
| | - Matthias Müller
- Anorganische Chemie, Nachwuchsgruppe Hauptgruppenmetallchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
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Spang N, Müller M, Augustinov W, Buchner MR. Behavior of beryllium halides and triflate in acetonitrile solutions. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2020. [DOI: 10.1515/znb-2020-0141] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Abstract
The solution behavior of beryllium halides and triflate in acetonitrile was studied by NMR, IR and Raman spectroscopy. Thereby mononuclear units [(MeCN)2BeX
2] (X = Cl, Br, I, OTf) were identified as dominant species in these solutions. The solid state structure of [(MeCN)2Be(OTf)2] has been determined by X-ray diffraction. If only one equivalent of MeCN is used the dinuclear compounds [(MeCN)BeX
2]2 (X = Cl, Br, I) are formed. Partial halide and triflate dissociation into the monomeric complexes as well as the formation of hetero-halide complexes [(MeCN)2BeClBr], [(MeCN)2BeClI] and [(MeCN)2BeBrI] was observed.
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Affiliation(s)
- Nils Spang
- Fachbereich Chemie , Philipps-Universität Marburg , Hans-Meerwein-Straße 4 , 35032 Marburg , Germany
| | - Matthias Müller
- Fachbereich Chemie , Philipps-Universität Marburg , Hans-Meerwein-Straße 4 , 35032 Marburg , Germany
| | - William Augustinov
- Fachbereich Chemie , Philipps-Universität Marburg , Hans-Meerwein-Straße 4 , 35032 Marburg , Germany
| | - Magnus R. Buchner
- Fachbereich Chemie , Philipps-Universität Marburg , Hans-Meerwein-Straße 4 , 35032 Marburg , Germany
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Müller M, Karttunen AJ, Buchner MR. Speciation of Be 2+ in acidic liquid ammonia and formation of tetra- and octanuclear beryllium amido clusters. Chem Sci 2020; 11:5415-5422. [PMID: 34094068 PMCID: PMC8159412 DOI: 10.1039/d0sc01112f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The hexa-μ2-amido-tetraammine-tetraberyllium compounds [Be4(NH2)6(NH3)4]X2 (X = Cl, Br, I, CN, SCN, N3) have been prepared from beryllium metal and NH4X or [Be(NH3)4]X2 in liquid ammonia at ambient temperature. The obtained compounds feature an adamantyl shaped complex cation, which was examined via X-ray diffraction, IR, Raman and NMR spectroscopy. The speciation in solution was studied via15N labeling experiments supplemented with quantum chemistry. Hereby, the intermediates [Be2(NH2)(NH3)6]3+ and [Be3(NH2)3(NH3)6]3+ were identified. Reactivity studies provided bis(N-acetimidoylacetamidinato-N,N′)-beryllium(ii), when [Be4(NH2)6(NH3)4]2+ was treated with acetonitrile. While the unprecedented octa-nuclear complex cation [Be8O(NH2)12(C5H5N)4]2+ was received from pyridine. This cluster proves that the [Be4O]6+ core can be stabilized without bidentate O-donor ligands. The boundaries of beryllium metal oxidation in acidic ammonia have been explored. This enabled the isolation of the tetra- and octa-nuclear beryllium amide complexes. The latter exhibits a completely new structural motive in coordination chemistry.![]()
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Affiliation(s)
- Matthias Müller
- Anorganische Chemie, Nachwuchsgruppe Berylliumchemie, Fachbereich Chemie, Philipps-Universität Marburg Hans-Meerwein-Straße 4 35032 Marburg Germany +49 6421 2825669 +49 6421 2825668
| | - Antti J Karttunen
- Department of Chemistry and Materials Science, Aalto University 00076 Aalto Finland
| | - Magnus R Buchner
- Anorganische Chemie, Nachwuchsgruppe Berylliumchemie, Fachbereich Chemie, Philipps-Universität Marburg Hans-Meerwein-Straße 4 35032 Marburg Germany +49 6421 2825669 +49 6421 2825668
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10
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Buchanan JK, Plieger PG. 9Be nuclear magnetic resonance spectroscopy trends in discrete complexes: an update. ACTA ACUST UNITED AC 2020. [DOI: 10.1515/znb-2020-0007] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Abstract
9Be solution NMR spectroscopy is a useful tool for the characterisation of beryllium complexes. An updated comprehensive table of the 9Be NMR chemical shifts of beryllium complexes in solution is presented. The recent additions span a greater range of chemical shifts than those previously reported, and more overlap is observed between the chemical shift regions of four-coordinate complexes and those with lower coordination numbers. Four-coordinate beryllium species have smaller ω
1/2 values than the two- and three-coordinate species due to their higher order symmetry. In contrast to previous studies, no clear relationship is observed between chemical shift and the size and number of chelate rings.
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Affiliation(s)
- Jenna K. Buchanan
- School of Fundamental Sciences , Massey University , Private Bag 11222 , Palmerston North , New Zealand
| | - Paul G. Plieger
- School of Fundamental Sciences , Massey University , Private Bag 11222 , Palmerston North , New Zealand
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11
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Müller M, Buchner MR. Formation of amidoberyllates from beryllium and alkali metals in liquid ammonia. ACTA ACUST UNITED AC 2020. [DOI: 10.1515/znb-2019-0215] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Abstract
Beryllium metal was dissolved in liquid ammonia at ambient temperature through addition of alkali metals. Thereby, the amidoberyllates Cs[Be(NH2)3], [Na4 (NH2)2][Be(NH2)4] and K4[Be2O(NH2)4][Be(NH2)3]2 were isolated and structurally characterized via single crystal X-ray diffraction. In the case of Li we were able to synthesize Be(NH2)2 at ambient temperature. We present the first example of a [Be(NH2)4]2− anion as well as the first oxyamidoberyllate anion [Be2O(NH2)4]2−.
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Affiliation(s)
- Matthias Müller
- Fachbereich Chemie, Philipps-Universität Marburg , Hans-Meerwein-Straße 4 , 35032 Marburg , Germany
| | - Magnus R. Buchner
- Fachbereich Chemie, Philipps-Universität Marburg , Hans-Meerwein-Straße 4 , 35032 Marburg , Germany
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12
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Raymond O, Bühl M, Lane JR, Henderson W, Brothers PJ, Plieger PG. Ab Initio Molecular Dynamics Investigation of Beryllium Complexes. Inorg Chem 2020; 59:2413-2425. [PMID: 32017540 DOI: 10.1021/acs.inorgchem.9b03309] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Structures of aqueous [Be(H2O)4]2+, its outer-sphere and inner-sphere complexes with F-, Cl-, and SO42-, and dinuclear complexes with a [Be2(κ-OH)(κ-SO4)]+ core have been studied through Car-Parrinello molecular dynamics (CPMD) simulations with the BLYP functional. According to constrained CPMD/BLYP simulations and pointwise thermodynamic integration, the free energy of deprotonation of [Be(H2O)4]2+ and its binding free energy with F- are 9.6 and -6.2 kcal/mol, respectively, in good accord with available experimental data. The computed activation barriers for replacing a water ligand in [Be(H2O)4]2+ with F- and SO42-, 10.9 and 13.6 kcal/mol, respectively, are also in good qualitative agreement with available experimental data. These ligand-substitution reactions are indicated to follow associative interchange mechanisms with backside (SN2-like) attack of the anion relative to the aquo ligand it is displacing. Outperforming static density functional theory computations of the salient kinetic and thermodynamic quantities involving simple polarizable continuum solvent models, CPMD simulations are validated as a promising tool for studying the structures and speciation of beryllium complexes in aqueous solution.
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Affiliation(s)
- Onyekachi Raymond
- Chemistry, School of Science , University of Waikato , Private Bag 3105 , Hamilton 3240 , New Zealand.,Institute of Environmental Science and Research (ESR) , P.O. Box 50348 , Porirua 5240 , New Zealand.,EaStCHEM School of Chemistry, North Haugh , University of St Andrews , St Andrews , Fife KY16 9ST , U.K
| | - Michael Bühl
- EaStCHEM School of Chemistry, North Haugh , University of St Andrews , St Andrews , Fife KY16 9ST , U.K
| | - Joseph R Lane
- Chemistry, School of Science , University of Waikato , Private Bag 3105 , Hamilton 3240 , New Zealand
| | - William Henderson
- Chemistry, School of Science , University of Waikato , Private Bag 3105 , Hamilton 3240 , New Zealand
| | - Penelope J Brothers
- School of Chemical Sciences , University of Auckland , Private Bag 92019 , Auckland 1142 , New Zealand
| | - Paul G Plieger
- School of Fundamental Sciences , Massey University , Private Bag 11222 , Palmerston North 4410 , New Zealand
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Buchner MR. Beryllium coordination chemistry and its implications on the understanding of metal induced immune responses. Chem Commun (Camb) 2020; 56:8895-8907. [DOI: 10.1039/d0cc03802d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The coordination chemistry of beryllium with ligands containing biologically relevant functional groups is discussed. The geometry, speciation and reactivity of these compounds, aids a better understanding of metal ion induced immune reactions.
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Affiliation(s)
- Magnus R. Buchner
- Anorganische Chemie
- Nachwuchsgruppe Hauptgruppenmetallchemie
- Fachbereich Chemie
- Philipps-Universität Marburg
- 35032 Marburg
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14
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Müller M, Buchner MR. Preparation and crystal structures of the beryllium ammines [Be(NH 3) 4]X 2 (X = Br, I, CN, SCN, N 3) and Be(NH 3) 2X' 2 (X' = Cl, Br, I). Chem Commun (Camb) 2019; 55:13649-13652. [PMID: 31633138 DOI: 10.1039/c9cc07712j] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetraammineberyllium halides and pseudo-halides [Be(NH3)4]X2 (X = Cl, Br, I, CN, SCN, N3) as well as Be(NH3)2F2 have been prepared from beryllium metal and NH4X or NH4F in liquid ammonia at ambient temperature, respectively. Diammineberyllium halides Be(NH3)2X'2 (X' = Cl, Br, I) were synthesized at 300 °C from Be and NH4X'. The obtained compounds were characterised via X-ray diffraction, and IR and Raman spectroscopy and their thermal decomposition was studied by TGA.
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Affiliation(s)
- Matthias Müller
- Anorganische Chemie, Nachwuchsgruppe Berylliumchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
| | - Magnus R Buchner
- Anorganische Chemie, Nachwuchsgruppe Berylliumchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany.
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15
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Müller M, Buchner MR. Beryllium-Induced Conversion of Aldehydes. Chemistry 2019; 25:11147-11156. [PMID: 31264745 PMCID: PMC6771974 DOI: 10.1002/chem.201902414] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/26/2019] [Indexed: 11/14/2022]
Abstract
Aldehydes play a key role in the human metabolism. Therefore, it is essential to know their reactivity with beryllium compounds in order to assess its effects in the body. The reactivity of simple aldehydes towards beryllium halides (F, Cl, Br, I) was studied through solution and solid‐state techniques and revealed distinctively different reactivities of the beryllium halides, with BeF2 being the least and BeI2 the most reactive. Rearrangement and aldol condensation reactions were observed and monitored by in situ NMR spectroscopy. Crystal structures of various compounds obtained by Be2+‐catalyzed cyclization, rearrangement, and aldol addition reactions or ligation of beryllium halides have been determined, including unprecedented one‐dimensional BeCl2 chains and the first structurally characterized example of an 1‐iodo‐alkoxide. Long‐term studies showed that only aldehydes without a β‐H can form stable beryllium complexes, whereas other aldehydes are oligo‐ and polymerized or decomposed by beryllium halides.
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Affiliation(s)
- Matthias Müller
- Anorganische Chemie, Nachwuchsgruppe Berylliumchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany
| | - Magnus R Buchner
- Anorganische Chemie, Nachwuchsgruppe Berylliumchemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany
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Buchner MR. Recent Contributions to the Coordination Chemistry of Beryllium. Chemistry 2019; 25:12018-12036. [DOI: 10.1002/chem.201901766] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 06/03/2019] [Indexed: 01/07/2023]
Affiliation(s)
- Magnus R. Buchner
- Anorganische Chemie, Nachwuchsgruppe BerylliumchemieFachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35032 Marburg Germany
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Abstract
We have carried out a theoretical investigation of benzene substituted with BeO to assess stability and aromatic properties (with 1–3 BeO units in a six-membered ring); C4H4BeO, C2H2Be2O2, and Be3O3.
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Affiliation(s)
- Jason L. Dutton
- Department of Chemistry and Physics
- La Trobe Institute for Molecular Science
- La Trobe University
- Melbourne
- Australia
| | - David J. D. Wilson
- Department of Chemistry and Physics
- La Trobe Institute for Molecular Science
- La Trobe University
- Melbourne
- Australia
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Müller M, Pielnhofer F, Buchner MR. A facile synthesis for BeCl2, BeBr2and BeI2. Dalton Trans 2018; 47:12506-12510. [DOI: 10.1039/c8dt01756e] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A facile synthesis for anhydrous berylliumhalides is presented and their vibrational spectra have been measured for the first time.
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Affiliation(s)
- Matthias Müller
- Anorganische Chemie
- Nachwuchsgruppe Berylliumchemie
- Fachbereich Chemie
- Philipps-Universität Marburg
- 35032 Marburg
| | - Florian Pielnhofer
- Abteilung Nanochemie
- Max-Planck-Institut für Festkörperforschung
- 70569 Stuttgart
- Germany
| | - Magnus R. Buchner
- Anorganische Chemie
- Nachwuchsgruppe Berylliumchemie
- Fachbereich Chemie
- Philipps-Universität Marburg
- 35032 Marburg
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20
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Naglav D, Tobey B, Dzialkowski K, Bläser D, Wölper C, Jansen G, Schulz S. Solvent-induced ion separation of a beryllium scorpionate complex. Dalton Trans 2018; 47:12511-12515. [DOI: 10.1039/c8dt01640b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
TpBeI undergoes a spontaneous ion separation upon treatment with THF, yielding [TpBe(thf)]I, which represents a rare example of a cationic beryllium complex.
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Affiliation(s)
- Dominik Naglav
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (Cenide)
- 45117 Essen
- Germany
| | - Briac Tobey
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (Cenide)
- 45117 Essen
- Germany
| | - Kevin Dzialkowski
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (Cenide)
- 45117 Essen
- Germany
| | - Dieter Bläser
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (Cenide)
- 45117 Essen
- Germany
| | - Christoph Wölper
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (Cenide)
- 45117 Essen
- Germany
| | - Georg Jansen
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (Cenide)
- 45117 Essen
- Germany
| | - Stephan Schulz
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (Cenide)
- 45117 Essen
- Germany
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Naglav D, Buchner MR, Bendt G, Kraus F, Schulz S. Off the Beaten Track-A Hitchhiker's Guide to Beryllium Chemistry. Angew Chem Int Ed Engl 2016; 55:10562-76. [PMID: 27364901 DOI: 10.1002/anie.201601809] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Indexed: 11/08/2022]
Abstract
This Minireview aims to give an introduction to beryllium chemistry for all less-experienced scientists in this field of research. Up to date information on the toxicity of beryllium and its compounds are reviewed and several basic and necessary guidelines for a safe and proper handling in modern chemical research laboratories are presented. Interesting phenomenological observations are described that are related directly to the uniqueness of this element, which are also put into historical context. Herein we combine the contributions and experiences of many scientist that work passionately in this field. We want to encourage fellow scientists to reconcile the long-standing reservations about beryllium and its compounds and motivate intense research on this spurned element. Who on earth should be able to deal with beryllium and its compounds if not chemists?
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Affiliation(s)
- Dominik Naglav
- Faculty of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45141, Essen, Germany
| | - Magnus R Buchner
- Anorganische Chemie, Fluorchemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35032, Marburg, Germany
| | - Georg Bendt
- Faculty of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45141, Essen, Germany
| | - Florian Kraus
- Anorganische Chemie, Fluorchemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35032, Marburg, Germany.
| | - Stephan Schulz
- Faculty of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45141, Essen, Germany.
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Naglav D, Buchner MR, Bendt G, Kraus F, Schulz S. Auf neuen Pfaden - per Anhalter durch die Berylliumchemie. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601809] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Dominik Naglav
- Fakultät für Chemie; Universität Duisburg-Essen; Universitätsstraße 7 45141 Essen Deutschland
| | - Magnus R. Buchner
- Anorganische Chemie, Fluorchemie; Philipps-Universität Marburg; Hans-Meerwein-Straße 4 35032 Marburg Deutschland
| | - Georg Bendt
- Fakultät für Chemie; Universität Duisburg-Essen; Universitätsstraße 7 45141 Essen Deutschland
| | - Florian Kraus
- Anorganische Chemie, Fluorchemie; Philipps-Universität Marburg; Hans-Meerwein-Straße 4 35032 Marburg Deutschland
| | - Stephan Schulz
- Fakultät für Chemie; Universität Duisburg-Essen; Universitätsstraße 7 45141 Essen Deutschland
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Nijesh K, De S, Parameswaran P. Homopolar dihydrogen bonding in ligand stabilized diberyllium hydride complexes, Be2(CH3)2H2L2 (L = H(-), CO, N-heterocyclic carbene and CN(-)). Dalton Trans 2016; 45:7836-46. [PMID: 27051892 DOI: 10.1039/c5dt04293c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structure and bonding of diberyllium hydride complexes Be2(CH3)2H2L2, where L = H(-) (), CO (), NHC () and CN(-) () were studied in detail and compared with isostructural diborane (). The bonding in Be2(CH3)2H2L2 was analyzed considering the interaction of two Be(CH3)L fragments with the bridging (μ-H)2 fragment. The geometrical and molecular orbital (MO) analyses indicate that the extent of back donation from Be→L (L = CO, NHC and CN(-)) is less in Be2(CH3)2H2L2 as compared to that in Be(CH3)L fragments. The NBO, MO and QTAIM analyses indicate a significant charge concentration at the bridging (μ-H)2 in Be2(CH3)2H2L2, whereas charge depletion is observed at the (μ-H)2 fragment in diborane. The accumulation of electron density at the bridging (μ-H)2 is duly reflected in the detection of a (μ-H)-(μ-H) bond path in Be2(CH3)2H2L2, in spite of having longer (μ-H)-(μ-H) distances. The interaction between the bridging H-atoms in diberyllium hydride complexes can be considered as homopolar hydride-hydride dihydrogen bonding. The direction of the charge flow is from (μ-H)2 to BH2 in diborane, whereas from Be(CH3)L to (μ-H)2 in Be2(CH3)2H2L2. Hence, the bridging (μ-H)2 fragments in Be2(CH3)2H2L2 are electron rich as compared to the (μ-H)2 fragment in diborane. The experimental report of the ring opening of the (Ar)NHC (Ar = 2,4,6-trimethylphenyl) ligand through hydride transfer from [Be(CH3)H((Ar)NHC)]2 corroborates well with the presence of electron rich bridging (μ-H)2 in diberyllium hydride complexes.
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Affiliation(s)
- Karikkeeriyil Nijesh
- Department of Chemistry, National Institute of Technology Calicut, Kozhikode, Kerala, 673 601 India.
| | - Susmita De
- Department of Chemistry, National Institute of Technology Calicut, Kozhikode, Kerala, 673 601 India.
| | - Pattiyil Parameswaran
- Department of Chemistry, National Institute of Technology Calicut, Kozhikode, Kerala, 673 601 India.
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Naglav D, Tobey B, Wölper C, Bläser D, Jansen G, Schulz S. On the Stability of Trimeric Beryllium Hydroxide Scorpionate Complexes. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201501433] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Dominik Naglav
- Faculty of Chemistry; University of Duisburg-Essen (Campus Essen); Universitätsstraße 7 45141 Essen
| | - Briac Tobey
- Faculty of Chemistry; University of Duisburg-Essen (Campus Essen); Universitätsstraße 7 45141 Essen
| | - Christoph Wölper
- Faculty of Chemistry; University of Duisburg-Essen (Campus Essen); Universitätsstraße 7 45141 Essen
| | - Dieter Bläser
- Faculty of Chemistry; University of Duisburg-Essen (Campus Essen); Universitätsstraße 7 45141 Essen
| | - Georg Jansen
- Faculty of Chemistry; University of Duisburg-Essen (Campus Essen); Universitätsstraße 7 45141 Essen
| | - Stephan Schulz
- Faculty of Chemistry; University of Duisburg-Essen (Campus Essen); Universitätsstraße 7 45141 Essen
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Field-Theodore TE, Wilson DJD, Dutton JL. Computational Predictions of the Beryllium Analogue of Borole, Cp(+), and the Fluorenyl Cation: Highly Stabilized, non-Lewis Acidic Antiaromatic Ring Systems. Inorg Chem 2015; 54:8035-41. [PMID: 26241788 DOI: 10.1021/acs.inorgchem.5b01255] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A computational study of a set of synthetically unknown beryllium-containing rings, anionic analogues of antiaromatic boroles, has been carried out to investigate their structure, stability, and potential reactivity. The results indicate that these compounds should be electronically viable (as assessed from HOMO-LUMO and singlet-triplet gaps) and therefore potential targets for synthesis. In strong contrast with boroles, these beryllium species are predicted to be not Lewis acidic but rather Lewis basic, with reactivity centered on the endocyclic Be-C bond.
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Affiliation(s)
- Terri E Field-Theodore
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - David J D Wilson
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Jason L Dutton
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
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Theoretical study of the dimerization of aqueous beryllium cations. J Mol Model 2015; 21:6. [DOI: 10.1007/s00894-014-2548-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 11/24/2014] [Indexed: 10/24/2022]
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Himmel D, Scherer H, Kratzert D, Krossing I. Synthesis and Characterization of Cp*Be-F-Al(ORF)3. Z Anorg Allg Chem 2015. [DOI: 10.1002/zaac.201400476] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Naglav D, Neumann A, Bläser D, Wölper C, Haack R, Jansen G, Schulz S. Bonding situation in Be[N(SiMe3)2]2 – an experimental and computational study. Chem Commun (Camb) 2015; 51:3889-91. [DOI: 10.1039/c4cc09732g] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The solid state structure of Be[N(SiMe3)2]2 (1) was determined by in situ crystallisation and the bonding situation investigated by quantum chemical calculations. The Be–N bond is predominantly ionic but also shows some π-bonding character.
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Affiliation(s)
- D. Naglav
- University of Duisburg-Essen
- 45117 Essen
- Germany
| | - A. Neumann
- University of Duisburg-Essen
- 45117 Essen
- Germany
| | - D. Bläser
- University of Duisburg-Essen
- 45117 Essen
- Germany
| | - C. Wölper
- University of Duisburg-Essen
- 45117 Essen
- Germany
| | - R. Haack
- University of Duisburg-Essen
- 45117 Essen
- Germany
| | - G. Jansen
- University of Duisburg-Essen
- 45117 Essen
- Germany
| | - S. Schulz
- University of Duisburg-Essen
- 45117 Essen
- Germany
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Woidy P, Karttunen AJ, Rudel SS, Kraus F. The reactions of TiCl3, and of UF4with TiCl3in liquid ammonia: unusual coordination spheres in [Ti(NH3)8]Cl3·6NH3and [UF(NH3)8]Cl3·3.5NH3. Chem Commun (Camb) 2015; 51:11826-9. [DOI: 10.1039/c5cc04411a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
TiCl3and NH3form octaammine titanium(iii) chloride ammonia (1/6), [Ti(NH3)8]Cl3·6NH3, which is the first structurally characterized octaammine complex of a transition metal.
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Affiliation(s)
- Patrick Woidy
- Anorganische und Fluorchemie der Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | | | - Stefan S. Rudel
- Anorganische und Fluorchemie der Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | - Florian Kraus
- Anorganische und Fluorchemie der Philipps-Universität Marburg
- 35032 Marburg
- Germany
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Woidy P, Kraus F. [Th10(μ-F16)(μ3-O4)(μ4-O4)(NH3)32](NO3)8·19.6 NH3- the Largest Thorium Complex from Solution known to Date. Z Anorg Allg Chem 2014. [DOI: 10.1002/zaac.201400138] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Naglav D, Bläser D, Wölper C, Schulz S. Synthesis and Characterization of Heteroleptic 1-Tris(pyrazolyl)borate Beryllium Complexes. Inorg Chem 2014; 53:1241-9. [DOI: 10.1021/ic402895h] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Dominik Naglav
- Institute
of Inorganic Chemistry, University of Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany
| | - Dieter Bläser
- Institute
of Inorganic Chemistry, University of Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany
| | - Christoph Wölper
- Institute
of Inorganic Chemistry, University of Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany
| | - Stephan Schulz
- Institute
of Inorganic Chemistry, University of Duisburg-Essen, Universitätsstr. 5-7, D-45117 Essen, Germany
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Baer SA, Lozinšek M, Kraus F. Synthesis and Crystal Structure of Triammine Pentafluorido Tantalum(V) [TaF5(NH3)3]. Z Anorg Allg Chem 2013. [DOI: 10.1002/zaac.201300342] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Kraus F, Baer SA, Hoelzel M, Karttunen AJ. [Be(ND3)4]Cl2: Synthesis, Characterisation and Space-Group Determination Guided by Solid-State Quantum Chemical Calculations. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300356] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Shaffer KJ, Davidson RJ, Burrell AK, McCleskey TM, Plieger PG. Encapsulation of the BeII Cation: Spectroscopic and Computational Study. Inorg Chem 2013; 52:3969-75. [DOI: 10.1021/ic302770t] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Karl J. Shaffer
- Chemistry Institute of Fundamental Sciences, Massey University, Turitea Campus, Private Bag 11 222, Palmerston
North, New Zealand 4442
| | - Ross J. Davidson
- Chemistry Institute of Fundamental Sciences, Massey University, Turitea Campus, Private Bag 11 222, Palmerston
North, New Zealand 4442
| | - Anthony K. Burrell
- Chemistry Division MS J582, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - T. Mark McCleskey
- Chemistry Division MS J582, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Paul G. Plieger
- Chemistry Institute of Fundamental Sciences, Massey University, Turitea Campus, Private Bag 11 222, Palmerston
North, New Zealand 4442
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De S, Parameswaran P. Neutral tricoordinated beryllium(0) compounds – isostructural to BH3 but isoelectronic to NH3. Dalton Trans 2013; 42:4650-6. [DOI: 10.1039/c3dt32749c] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wöhler-Nachwuchspreis: F. Kraus / Heinrich-Roessler-Preis: H. W. Roesky / Médaille de l'innovation du CNRS: P. Couvreur / Presidential Early Career Award: J. S. Figueroa. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201208151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Wöhler Prize for Young Scientists: F. Kraus / Heinrich Roessler Prize: H. W. Roesky / Médaille de l'innovation du CNRS: P. Couvreur / Presidential Early Career Award: J. S. Figueroa. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/anie.201208151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Walther M, Budimir A, Puchta R. Water exchange on beryllium complexes: part VIII – influence of neutral electron pair donors. J COORD CHEM 2012. [DOI: 10.1080/00958972.2012.739284] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Markus Walther
- a Department of Chemistry and Pharmacy , University of Erlangen-Nürnberg – Egerlandstraße 1 – 91058 Erlangen , Germany
- b Department of Chemistry and Pharmacy, Computer Chemistry Center , University of Erlangen-Nürnberg , Nägelsbachstr. 25, 91052 Erlangen , Germany
| | - Ana Budimir
- c Faculty of Pharmacy and Biochemistry , University of Zagreb , A. Kovačića 1 – 10000 Zagreb , Croatia
| | - Ralph Puchta
- a Department of Chemistry and Pharmacy , University of Erlangen-Nürnberg – Egerlandstraße 1 – 91058 Erlangen , Germany
- b Department of Chemistry and Pharmacy, Computer Chemistry Center , University of Erlangen-Nürnberg , Nägelsbachstr. 25, 91052 Erlangen , Germany
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Kraus F. Dissolving the insoluble: CdF2 and moist ammonia form cadmium(II) difluoride monohydrate—synthesis and crystal structure of [Cd(NH3)6]F2·H2O. MONATSHEFTE FUR CHEMIE 2012. [DOI: 10.1007/s00706-012-0789-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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42
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Walther M, Puchta R. Ligand exchange processes on solvated beryllium cations VII – water exchange on cationic [Be(H2O)3(Ln)]2+n (Ln: 4-O-Py−, Py, 4-(Py)-Py+, 3,5-(Py)2-Py2+, 3,4,5-(Py)3-Py3+). RSC Adv 2012. [DOI: 10.1039/c2ra20665j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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