1
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Murali M, Bijani C, Daran JC, Manoury E, Poli R. Acetate exchange mechanism on a Zr 12 oxo hydroxo cluster: relevance for reshaping Zr-carboxylate coordination adaptable networks. Chem Sci 2023; 14:8152-8163. [PMID: 37538814 PMCID: PMC10395313 DOI: 10.1039/d3sc02204h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/04/2023] [Indexed: 08/05/2023] Open
Abstract
The kinetics and mechanism of the acetate ligand exchange with free acetic acid in [Zr6O4(OH)4(O2CCH3)12]2, used as a molecular model of crosslink migration in [Zr6O4(OH)4(carboxylate)12-n(OH)n]-based coordination adaptable networks with vitrimer-like properties, has been thoroughly investigated by dynamic 1H NMR and DFT calculations. The compound maintains its C2h-symmetric Zr12 structure in CD2Cl2 and C6D6, while it splits into its Zr6 subunits in CD3OD and D2O. In the Zr12 structure, the topologically different acetates (3 chelating, 6 belt-bridging, 2 intercluster-bridging and 1 inner-face-bridging) of the Zr6 subunits behave differently in the presence of free CH3COOH: very fast exchange for the chelating (coalesced resonance at room temperature), slower exchange for the belt-bridging (line broadening upon warming), no observable exchange up to 65 °C (by EXSY NMR) for the intercluster- and inner-face-bridging. The rates of the first two exchange processes have zero-order dependence on [CH3COOH]. Variable-temperature line broadening studies yielded ΔH‡ = 15.0 ± 0.4 kcal mol-1, ΔS‡ = 8 ± 1 cal mol-1 K-1 (-30 to +25 °C range in CD2Cl2) for the chelating acetates and ΔH‡ = 22.7 ± 1.6, 22.9 ± 2.1 and 20.6 ± 1.0 kcal mol-1 and ΔS‡ = 13 ± 5, 14 ± 6 and 9 ± 3 cal mol-1 K-1, respectively (+25 to +70 °C range in C6D6), for three distinct resonances of magnetically inequivalent belt-bridging acetates. With support of DFT calculations, these results point to an operationally associative mechanism involving a rate-determining partial dissociation to monodentate acetate, followed by rapid acid coordination and proton transfer. The cluster μ3-OH ligands accelerate the exchange processes through H-bonding stabilization of the coordinatively unsaturated intermediate. The lower exchange barrier for the chelated vs. bridging acetates is associated to the release of ring strain. The results presented in this investigation may help the interpretation of carboxylate exchange phenomena in other systems and the design of new carboxylate-based materials.
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Affiliation(s)
- Meenu Murali
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT 205 Route de Narbonne, BP 44099 F-31077 Toulouse Cedex 4 France
| | - Christian Bijani
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT 205 Route de Narbonne, BP 44099 F-31077 Toulouse Cedex 4 France
| | - Jean-Claude Daran
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT 205 Route de Narbonne, BP 44099 F-31077 Toulouse Cedex 4 France
| | - Eric Manoury
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT 205 Route de Narbonne, BP 44099 F-31077 Toulouse Cedex 4 France
| | - Rinaldo Poli
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT 205 Route de Narbonne, BP 44099 F-31077 Toulouse Cedex 4 France
- Institut Universitaire de France 1, rue Descartes 75231 Paris Cedex 05 France
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2
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Poschmann MPM, Alan Ö, Ito S, Näther C, Friedrichs G, Stock N. Systematic Study on Zirconium Chelidamates: From a Molecular Complex to a M-HOF and a MOF. Inorg Chem 2023. [PMID: 37384893 DOI: 10.1021/acs.inorgchem.3c01079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
We report the synthesis and in-depth characterization of three zirconium chelidamates, a molecular complex (H8C2N)2[Zr(HL)3] (1), a porous metal-containing hydrogen-bonded organic framework (M-HOF) [Zr(H2O)2(HL)2]·xH2O (2), and a metal-organic framework (MOF) (H8C2N)2-2n[Zr(HnL)2]·x solvent (0 ≤ n ≤ 1) (3) using chelidamic acid (H3L, H5C7NO5, 4-hydroxypyridine-2,6-dicarboxylic acid) as the ligand (H8C2N+ = dimethylammonium). High-throughput investigations of the system Zr4+/H3L/HCl/DMF/H2O were carried out, which resulted in highly crystalline compounds. The crystal structures of 1 and 2 were determined by single-crystal X-ray diffraction. Single-crystal three-dimensional (3D) electron diffraction and Rietveld refinements of powder X-ray diffraction (PXRD) data had to be used to elucidate the crystal structure of 3 since only very small single crystals of about 500 nm in diameter could be obtained. In all structures, chelidamate ions act as anionic palindromic pincer ligands, and in 3, a coordinative bond is additionally formed by the aryloxy group. While dense packing of the molecular complexes is found in 1, hydrogen bonding of the molecular complexes in 2 leads to a porous network that shows flexibility depending on the water content. The three-dimensional framework structure of the Zr-MOF 3 contains a mononuclear inorganic building unit (IBU), which is very uncommon in Zr-MOF chemistry. The three compounds are stable in several organic solvents, and thermal decomposition starts above 280 °C. While the hydrogen-bonded framework 2 is only porous toward water with a water uptake of almost 3.75 mol mol-1 at p/p0 = 0.9, 3 is porous against N2, CO2, methanol, ethanol, and water with a specific Brunauer-Emmett-Teller (BET) surface area of aS,BET = 410 m2 g-1 derived from the N2 adsorption isotherm. Stability upon water adsorption covering 10 cycles between 0.5% < p/p0 < 90% for 3 is also demonstrated.
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Affiliation(s)
- Mirjam P M Poschmann
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Street 2, 24118 Kiel, Germany
| | - Özge Alan
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Street 2, 24118 Kiel, Germany
| | - Sho Ito
- Rigaku Corporation, 3-9-12 Matsubara-cho, Akishima 196-8666, Tokyo, Japan
| | - Christian Näther
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Street 2, 24118 Kiel, Germany
| | - Gernot Friedrichs
- Institute of Physical Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Street 1, 24118 Kiel, Germany
| | - Norbert Stock
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Street 2, 24118 Kiel, Germany
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3
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Woschko D, Yilmaz S, Jansen C, Spieß A, Oestreich R, Matemb Ma Ntep TJ, Janiak C. Enhanced sorption in an indium-acetylenedicarboxylate metal-organic framework with unexpected chains of cis-μ-OH-connected {InO 6} octahedra. Dalton Trans 2023; 52:977-989. [PMID: 36601863 DOI: 10.1039/d2dt03719j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Single crystals of the new metal-organic framework (MOF) In-adc (HHUD-4) were obtained through the reaction of linear acetylenedicarboxylic acid (H2adc) with In(NO3)3·xH2O as a racemic conglomerate in the chiral tetragonal space groups P4322 and P4122. Fundamentally different from other MOFs with linear linkers and trans-μ-OH-connected infinite {MO6} secondary building units as in the MIL-53-type, the linear adc2- linker leads to the formation of cis-μ-OH connected {InO6} polyhedra, which have otherwise only been found before for V-shaped ligands, as in CAU-10-H. A far-reaching implication of this finding is the possibility that trans-μ-OH/straight MIL-53-type MOFs will have polymorphs of CAU-10-H cis-μ-OH/helical topology and vice versa. HHUD-4 is a microporous MOF with a BET surface area of up to 940 m2 g-1 and a micropore volume of up to 0.39 cm3 g-1. Additionally, HHUD-4 features good adsorption uptakes of 3.77 mmol g-1 for CO2 and 1.25 mmol g-1 for CH4 at 273 K and 1 bar, respectively, and a high isosteric heat of adsorption of 11.4 kJ mol-1 for H2 with a maximum uptake of 6.36 mmol g-1 at 77 K and 1 bar. Vapor sorption experiments for water and volatile organic compounds (VOCs) such as benzene, cyclohexane and n-hexane yielded uptake values of 135, 269, 116 and 205 mg g-1, respectively, at 293 K. While HHUD-4 showed unremarkable results for water uptake and low stability for water, it exhibited good stability with steep VOC uptake steps at low relative pressures and a high selectivity of 17 for benzene/cyclohexane mixtures.
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Affiliation(s)
- Dennis Woschko
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
| | - Süheyla Yilmaz
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
| | - Christian Jansen
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
| | - Alex Spieß
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
| | - Robert Oestreich
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
| | - Tobie J Matemb Ma Ntep
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
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Murali M, Berne D, Joly‐Duhamel C, Caillol S, Leclerc E, Manoury E, Ladmiral V, Poli R. Coordination Adaptable Networks: Zirconium(IV) Carboxylates. Chemistry 2022; 28:e202202058. [DOI: 10.1002/chem.202202058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Meenu Murali
- CNRS LCC (Laboratoire de Chimie de Coordination) UPS INPT Université de Toulouse 205 route de Narbonne 31077 Toulouse, Cedex 4 France
| | - Dimitri Berne
- ICGM Université de Montpellier, CNRS, ENSCM Montpellier France
| | | | - Sylvain Caillol
- ICGM Université de Montpellier, CNRS, ENSCM Montpellier France
| | - Eric Leclerc
- ICGM Université de Montpellier, CNRS, ENSCM Montpellier France
| | - Eric Manoury
- CNRS LCC (Laboratoire de Chimie de Coordination) UPS INPT Université de Toulouse 205 route de Narbonne 31077 Toulouse, Cedex 4 France
| | | | - Rinaldo Poli
- CNRS LCC (Laboratoire de Chimie de Coordination) UPS INPT Université de Toulouse 205 route de Narbonne 31077 Toulouse, Cedex 4 France
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5
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Matemb Ma Ntep TJ, Gramm VK, Ruschewitz U, Janiak C. Acetylenedicarboxylate as a linker in the engineering of coordination polymers and metal-organic frameworks: challenges and potential. Chem Commun (Camb) 2022; 58:8900-8933. [PMID: 35899851 DOI: 10.1039/d2cc02665a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Despite its simplicity as a short and rod-like linear linker, acetylenedicarboxylate (ADC) has for a long time been somewhat overlooked in the engineering of coordination polymers (CPs) and especially in the construction of porous metal-organic frameworks (MOFs). This situation seems to be stemming from the thermosensitivity of the free acid (H2ADC) precursor and its dicarboxylate, which makes the synthesis of their CP- and MOF-derivatives, as well as the evacuation of guest molecules from their pores, challenging. However, an increasing number of publications dealing with the synthesis, structural characterization and properties of ADC-based CPs and MOFs, disclose ways to tackle this obstacle. In this regard, using mostly room temperature solution synthesis or mechanochemical synthesis, and very rarely solvothermal synthesis, the ADC linker has successfully been used to form one-, two-, and three-dimensional CPs with metal cations from almost all groups of the periodic table of the elements, whereby its carboxylate groups adopt mainly all types of known coordination modes. ADC-based CPs feature properties, including negative thermal expansion, formation of non-centrosymmetric networks, long-range magnetic ordering, and solid-state polymerization. The first ADC-based microporous MOFs were obtained with Ce(IV), Hf(IV) and Zr(IV), in which the presence of the -CC- triple-bond within their backbone results in high hydrophilicity, high CO2 adsorption capacity and enthalpy, as well as the uptake of halogen vapors. This discloses the potential of ADC-MOFs for gas storage/separation and water adsorption-based applications. Furthermore, H2ADC/ADC was discovered to undergo facile in situ hydrohalogenation to yield halogen-functionalized fumarate-based CPs/MOFs. This review surveys investigations on ADC-based coordination polymers and metal-organic frameworks, and is intended to stimulate interest on this linker in chemists working in the fields of crystal chemistry or materials science.
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Affiliation(s)
- Tobie J Matemb Ma Ntep
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, D-40225 Düsseldorf, Germany.
| | - Verena K Gramm
- Institut für Anorganische Chemie im Department für Chemie, Universität zu Köln, D-50939 Köln, Germany.
| | - Uwe Ruschewitz
- Institut für Anorganische Chemie im Department für Chemie, Universität zu Köln, D-50939 Köln, Germany.
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, D-40225 Düsseldorf, Germany.
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6
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Shutava T, Jansen C, Livanovich K, Pankov V, Janiak C. Metal organic framework/polyelectrolyte composites for water vapor sorption applications. Dalton Trans 2022; 51:7053-7067. [PMID: 35393994 DOI: 10.1039/d2dt00518b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal-organic framework (MOF) core particles of MIL-101(Cr), aluminum fumarate (Basolite® A520), MIL-53-TDC, zirconium fumarate, and UiO-66 were modified by adsorption of thin polyelectrolyte (PE)-based shells without deterioration of their crystal structure. By applying different PEs and depositing a single layer (MOF/PE) or one to three layer-by-layer assembled bilayers (MOF/LbL), the mass percent of shell material in the composite was varied from 0.6-2.5% to 50%. Under a constant relative pressure of water vapor, the moisture uptake by a MOF/PE and a MOF/LbL is rather comparable with its S-shaped curvature to that of pristine MOFs. The relevant differences, such as a shift of the ascending adsorption part to lower/higher relative pressure or an increase/decrease in water uptake in selected regions, are associated with the core-shell structure and related to the morphological changes of the MOF powders. The hydrophilic surface promotes the formation of liquid menisci at the points of contact between particles and accelerates the moisture uptake and loss. A decrease in water sorption under an atmosphere with high humidity by some composites can be associated with the inhibition of liquid water condensation by the more hydrophobic shells.
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Affiliation(s)
- Tatsiana Shutava
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 36 F. Skaryna St., Minsk 220141, Belarus.
| | - Christian Jansen
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40204 Düsseldorf, Germany
| | - Kanstantsin Livanovich
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 36 F. Skaryna St., Minsk 220141, Belarus.
| | - Vladimir Pankov
- Belarusian State University, 4 Nezavisimosti Av., Minsk 220030, Belarus
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40204 Düsseldorf, Germany
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Pascual-Colino J, Artetxe B, Beobide G, Castillo O, Fidalgo-Mayo ML, Isla-López A, Luque A, Mena-Gutiérrez S, Pérez-Yáñez S. The Chemistry of Zirconium/Carboxylate Clustering Process: Acidic Conditions to Promote Carboxylate-Unsaturated Octahedral Hexamers and Pentanuclear Species. Inorg Chem 2022; 61:4842-4851. [PMID: 35286083 PMCID: PMC9993394 DOI: 10.1021/acs.inorgchem.1c03466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Clustering chemistry is a key point in the design and synthesis of the secondary building units that comprise metal-organic frameworks (MOFs) based on group IV metals. In this work, the first stages of the zirconium-carboxylate clustering process in alcohol/water mixtures are studied in detail using the monocarboxylic benzoic and hydroxybenzoic acids to avoid the polymerization. Mass spectroscopy measurements performed on the reactions revealed the presence of hexa- and pentanuclear species even at low pH values and also evidenced the acid-base nature and pH dependence of the transformation between both species. The control on the chemistry governing the equilibria between these species has allowed us to isolate six new compounds in the solid state. The single-crystal X-ray diffraction analysis revealed that they are closely related to the well-known [Zr6(O)4(OH)4(OOC)12] secondary building unit found in many MOFs by removing carboxylic ligands in the case of the hexameric species ([Zr6(O)4(OH)4(OOC)8(H2O)8]4+) or by additionally removing one of the metal centers in the case of the pentameric entities ([Zr5(O)2(OH)6(OOC)4(H2O)11(alcohol)]6+). Going in detail, the unsaturated hexameric clusters exhibit different dispositions of their eight carboxylate ligands in such a way that the remaining four carboxylate-free positions are arranged according to a square planar or tetrahedral symmetry. It should be highlighted that the pentameric complexes imply an unprecedented core nuclearity in zirconium clusters and thus their isolation provides a novel building block for the design of metal-organic materials.
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Affiliation(s)
- Jon Pascual-Colino
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Apartado 644, Bilbao E-48080, Spain
| | - Beñat Artetxe
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Apartado 644, Bilbao E-48080, Spain
| | - Garikoitz Beobide
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Apartado 644, Bilbao E-48080, Spain.,BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, Leioa E-48940, Spain
| | - Oscar Castillo
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Apartado 644, Bilbao E-48080, Spain.,BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, Leioa E-48940, Spain
| | - Maria Luz Fidalgo-Mayo
- Departamento de Química Orgánica e Inorgánica, Facultad de Farmacia, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Vitoria-Gasteiz E-01006, Spain
| | - Ainhoa Isla-López
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Apartado 644, Bilbao E-48080, Spain
| | - Antonio Luque
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Apartado 644, Bilbao E-48080, Spain.,BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, Leioa E-48940, Spain
| | - Sandra Mena-Gutiérrez
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Apartado 644, Bilbao E-48080, Spain
| | - Sonia Pérez-Yáñez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, Leioa E-48940, Spain.,Departamento de Química Orgánica e Inorgánica, Facultad de Farmacia, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU, Vitoria-Gasteiz E-01006, Spain
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8
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Jessen C, Kornath AJ. Syntheses and Structures of Protonated Acetylenedicarboxylic Acid. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202100965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Christoph Jessen
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstr. 5–13(D) 81377 München Germany
| | - Andreas J. Kornath
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstr. 5–13(D) 81377 München Germany
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9
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Steinert DM, Ernst S, Henninger SK, Janiak C. Metal‐Organic Frameworks as Sorption Materials for Heat Transformation Processes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000834] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dominik Moritz Steinert
- Institut für Anorganische Chemie und Strukturchemie Heinrich‐Heine‐Universität 40204 Düsseldorf Germany
| | - Sebastian‐Johannes Ernst
- Dept. Thermally Active Materials and Solar Cooling Fraunhofer Institute for Solar Energy Systems ISE Heidenhofstr. 2 79110 Freiburg Germany
| | - Stefan K. Henninger
- Dept. Thermally Active Materials and Solar Cooling Fraunhofer Institute for Solar Energy Systems ISE Heidenhofstr. 2 79110 Freiburg Germany
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie Heinrich‐Heine‐Universität 40204 Düsseldorf Germany
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10
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Ambient Temperature Synthesis and Structural Characterization of Six Transition Metal Acetylenedicarboxylate Coordination Polymers. Z Anorg Allg Chem 2020. [DOI: 10.1002/zaac.202000265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Xiang H, Fan X, Siperstein FR. Understanding ethane/ethylene adsorption selectivity in ethane-selective microporous materials. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116635] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Gramm VK, Smets D, Grzesiak I, Block T, Pöttgen R, Suta M, Wickleder C, Lorenz T, Ruschewitz U. Eu(O 2 C-C≡C-CO 2 ): An Eu II Containing Anhydrous Coordination Polymer with High Stability and Negative Thermal Expansion. Chemistry 2020; 26:2726-2734. [PMID: 31774598 PMCID: PMC7065108 DOI: 10.1002/chem.201904966] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Indexed: 11/11/2022]
Abstract
Anhydrous EuII -acetylenedicarboxylate (EuADC; ADC2- = - O2 C-C≡C-CO2 - ) was synthesized by reaction of EuBr2 with K2 ADC or H2 ADC in degassed water under oxygen-free conditions. EuADC crystallizes in the SrADC type structure (I41 /amd, Z=4) forming a 3D coordination polymer with a diamond-like arrangement of Eu2+ nodes (msw topology including the connecting ADC2- linkers). Deep orange coloured EuADC is stable in air and starts decomposing upon heating in an argon atmosphere only at 440 °C. Measurements of the magnetic susceptibilities (μeff =7.76 μB ) and 151 Eu Mössbauer spectra (δ=-13.25 mm s-1 at 78 K) confirm the existence of Eu2+ cations. Diffuse reflectance spectra indicate a direct optical band gap of Eg =2.64 eV (470 nm), which is in accordance with the orange colour of the material. Surprisingly, EuADC does not show any photoluminescence under irradiation with UV light of different wavelengths. Similar to SrADC, EuADC exhibits a negative thermal volume expansion below room temperature with a volume expansion coefficient αV =-9.4(12)×10-6 K-1 .
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Affiliation(s)
- Verena K Gramm
- Department of Chemistry, University of Cologne, Greinstraße 6, 50939, Köln, Germany
| | - Daniel Smets
- Department of Chemistry, University of Cologne, Greinstraße 6, 50939, Köln, Germany
| | - Ireneus Grzesiak
- Department of Chemistry, University of Cologne, Greinstraße 6, 50939, Köln, Germany
| | - Theresa Block
- Institut für Anorganische und Analytische Chemie, WWU Münster, Corrensstraße 30, 48149, Münster, Germany
| | - Rainer Pöttgen
- Institut für Anorganische und Analytische Chemie, WWU Münster, Corrensstraße 30, 48149, Münster, Germany
| | - Markus Suta
- Anorganische Chemie, Universität Siegen, Adolf-Reichwein-Straße, 57068, Siegen, Germany.,current affiliation: Debye Institute for Nanomaterials Science, Universiteit Utrecht, Princetonplein 1, 3584 CC, Utrecht, The Netherlands
| | - Claudia Wickleder
- Anorganische Chemie, Universität Siegen, Adolf-Reichwein-Straße, 57068, Siegen, Germany
| | - Thomas Lorenz
- Institute of Physics II, University of Cologne, Zülpicher Straße 77, 50937, Köln, Germany
| | - Uwe Ruschewitz
- Department of Chemistry, University of Cologne, Greinstraße 6, 50939, Köln, Germany
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Nuhnen A, Janiak C. A practical guide to calculate the isosteric heat/enthalpy of adsorption via adsorption isotherms in metal-organic frameworks, MOFs. Dalton Trans 2020; 49:10295-10307. [PMID: 32661527 DOI: 10.1039/d0dt01784a] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Porous materials such as MOFs are interesting candidates for gas separation and storage. An important parameter to gain deeper insights to the adsorption process of an adsorptive on an adsorbent is the isosteric enthalpy of adsorption, ΔHads which is defined as the heat to be released/required when an adsorptive binds to/detaches from the solid surface of an adsorbent. Two or three adsorption isotherms at different but close temperatures with ΔT ≤ 20 K for two and ΔT ≈ 10 K for three isotherms are the basis to derive the isosteric enthalpy of adsorption through the Clausius-Clapeyron approach or the virial analysis. This Perspective presents the procedure of the common (dual-site) Freundlich-Langmuir fit/Clausius-Clapeyron approach and the virial fit of the isotherms with usable Excel sheets and Origin files for the subsequent derivation of ΔHads. Exemplary adsorption isotherms of CO2, SO2 and H2 at two temperatures on MOFs are analyzed. The detailed computational description and comparison of the Clausius-Clapeyron approach and the virial analysis to determine ΔHads outlines the limitations of the two methods with respect to the available experimental data, especially at low pressure/low uptake values. It is emphasized that no extrapolation beyond the experimental data range should be done. The quality of the important and underlying isotherm fits must be checked and ensured with logarithmic-scale n/p isotherm plots for the (dual-site) Freundlich-Langmuir fit in the low-pressure region and through low standard deviations for the coefficients in the virial analysis.
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Affiliation(s)
- Alexander Nuhnen
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, D-40204 Düsseldorf, Germany.
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Gökpinar S, Ernst SJ, Hastürk E, Möllers M, El Aita I, Wiedey R, Tannert N, Nießing S, Abdpour S, Schmitz A, Quodbach J, Füldner G, Henninger SK, Janiak C. Air-Con Metal–Organic Frameworks in Binder Composites for Water Adsorption Heat Transformation Systems. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b04394] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
| | | | | | - Marc Möllers
- Fraunhofer-Institut für Solare Energiesysteme ISE, Heidenhofstr. 2, 79110 Freiburg, Germany
| | | | | | | | | | | | | | | | - Gerrit Füldner
- Fraunhofer-Institut für Solare Energiesysteme ISE, Heidenhofstr. 2, 79110 Freiburg, Germany
| | - Stefan K. Henninger
- Fraunhofer-Institut für Solare Energiesysteme ISE, Heidenhofstr. 2, 79110 Freiburg, Germany
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Matemb Ma Ntep TJ, Reinsch H, Schlüsener C, Goldman A, Breitzke H, Moll B, Schmolke L, Buntkowsky G, Janiak C. Acetylenedicarboxylate and In Situ Generated Chlorofumarate-Based Hafnium(IV)–Metal–Organic Frameworks: Synthesis, Structure, and Sorption Properties. Inorg Chem 2019; 58:10965-10973. [DOI: 10.1021/acs.inorgchem.9b01408] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tobie J. Matemb Ma Ntep
- Institut für Anorganische Chemie, Heinrich-Heine-Universität Düsseldorf, D- 40204 Düsseldorf, Germany
| | - Helge Reinsch
- Institut für Anorganische Chemie, Christian-Albrechts-Universität, Max-Eyth-Straße 2, 24118 Kiel, Germany
| | - Carsten Schlüsener
- Institut für Anorganische Chemie, Heinrich-Heine-Universität Düsseldorf, D- 40204 Düsseldorf, Germany
| | - Anna Goldman
- Institut für Anorganische Chemie, Heinrich-Heine-Universität Düsseldorf, D- 40204 Düsseldorf, Germany
| | - Hergen Breitzke
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Alarich-Weiss-Straße. 4, D-64287 Darmstadt, Germany
| | - Bastian Moll
- Institut für Anorganische Chemie, Heinrich-Heine-Universität Düsseldorf, D- 40204 Düsseldorf, Germany
| | - Laura Schmolke
- Institut für Anorganische Chemie, Heinrich-Heine-Universität Düsseldorf, D- 40204 Düsseldorf, Germany
| | - Gerd Buntkowsky
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Alarich-Weiss-Straße. 4, D-64287 Darmstadt, Germany
| | - Christoph Janiak
- Institut für Anorganische Chemie, Heinrich-Heine-Universität Düsseldorf, D- 40204 Düsseldorf, Germany
- Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, 7098 Liuxian Boulevard, Nanshan District, Shenzhen, China
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Matemb Ma Ntep TJ, Wu W, Breitzke H, Schlüsener C, Moll B, Schmolke L, Buntkowsky G, Janiak C. Halogen Functionalization of Aluminium Fumarate Metal–Organic Framework via In Situ Hydrochlorination of Acetylenedicarboxylic Acid. Aust J Chem 2019. [DOI: 10.1071/ch19221] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The successful chloro-functionalization of aluminium fumarate (MIL-53-Fum) was achieved by in situ hydrochlorination of acetylenedicarboxylic acid on reaction with aluminium chloride resulting in the formation of the aluminium chlorofumarate metal–organic framework (MIL-53-Fum-Cl=[Al(OH)(Fum-Cl)]) in a one-pot reaction. The chloro functional groups decorating the pores enhance gas (CO2, CH4, and H2) sorption capacities and affinity compared with the non-functionalized MIL-53-Fum. The functionalization also results in a 2-fold increase in the selective adsorption of CO2 over CH4 compared with MIL-53-Fum.
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Matemb Ma Ntep TJ, Reinsch H, Liang J, Janiak C. Acetylenedicarboxylate-based cerium(iv) metal–organic framework with fcu topology: a potential material for air cleaning from toxic halogen vapors. Dalton Trans 2019; 48:15849-15855. [DOI: 10.1039/c9dt03518d] [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
The most contracted Ce(iv)–metal–organic framework (MOF) with fcu topology incorporating an alkyne-based linker, namely acetylenedicarboxylate (ADC), was synthesized under green conditions in water at room temperature and thoroughly characterized.
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Affiliation(s)
- Tobie J. Matemb Ma Ntep
- Institut für Anorganische Chemie und Strukturchemie
- Heinrich-Heine-Universität Düsseldorf
- D-40225 Düsseldorf
- Germany
| | - Helge Reinsch
- Institut für Anorganische Chemie
- Christian-Albrechts-Universität zu Kiel
- 24118 Kiel
- Germany
| | - Jun Liang
- Institut für Anorganische Chemie und Strukturchemie
- Heinrich-Heine-Universität Düsseldorf
- D-40225 Düsseldorf
- Germany
- Hoffmann Institute of Advanced Materials
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie
- Heinrich-Heine-Universität Düsseldorf
- D-40225 Düsseldorf
- Germany
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