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Chiral Lanthanum Me...
Chiral Lanthanum Metal-Organic Framework with Gated CO2 Sorption and Concerted Framework Flexibility br
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- Amombo Noa, Francoise Mystere, 1988 (author)
- Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden.,Chalmers tekniska högskola,Chalmers University of Technology
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- Svensson Grape, Erik (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm University,Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden.
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- Ahlen, Michelle (author)
- Uppsala universitet,Nanoteknologi och funktionella material,Uppsala University
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- Reinholdsson, William, 1997 (author)
- Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden.,Chalmers tekniska högskola,Chalmers University of Technology
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- Gob, Christian R. (author)
- Rigaku Europe SE, D-63263 Neu Isenburg, Germany.
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- Coudert, Francois-Xavier (author)
- PSL Univ, Inst Rech Chim Paris, CNRS, Chim ParisTech, F-75005 Paris, France.,PSL University Paris
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- Cheung, Ocean (author)
- Uppsala universitet,Nanoteknologi och funktionella material,Uppsala University
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- Inge, A. Ken, 1984- (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm University,Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden.
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- Öhrström, Lars, 1963 (author)
- Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden.,Chalmers tekniska högskola,Chalmers University of Technology
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Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden Chalmers tekniska högskola (creator_code:org_t)
- 2022-05-03
- 2022
- English.
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In: Journal of the American Chemical Society. - : American Chemical Society (ACS). - 0002-7863 .- 1520-5126. ; 144:19, s. 8725-8733
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Abstract
Subject headings
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- A metal-organic framework (MOF)CTH-17based on lanthanum-(III) and the conformationally chiral linker 1,2,3,4,5,6-hexakis(4-carboxyphenyl)-benzene, cpb6-: [La2(cpb)]middot1.5dmf was prepared by the solvothermal method indimethylformamide (dmf) and characterized by variable-temperature X-raypowder diffraction (VTPXRD), variable-temperature X-ray single-crystal diffrac-tion (SCXRD), and thermogravimetric analysis (TGA).CTH-17is a rod-MOFwith new topologyoch. It has high-temperature stability with Sohncke spacegroupsP6122/P6522 at 90 K andP622 at 300 and 500 K, all phases characterizedwith SCXRD and at 293 K also with three-dimensional (3D) electron diffraction. VTPXRD indicates a third phase appearing after620 K and stable up to 770 K. Gas sorption isotherms with N2indicate a modest surface area of 231 m2g-1forCTH-17, roughly inagreement with the crystal structure. Carbon dioxide sorption reveals a gate-opening effect ofCTH-17where the structure opens upwhen the loading of CO2reaches approximately similar to 0.45 mmol g-1or 1 molecule per unit cell. Based on the SCXRD data, this isinterpreted asflexibility based on the concerted movements of the propeller-like hexatopic cpb linkers, the movementintramolecularly transmitted by the pi-pi stacking of the cpb linkers and helped by thefluidity of the LaO6coordination sphere. Thiswas corroborated by density functional theory (DFT) calculations yielding the chiral phase (P622) as the energy minimum and acompletely racemic phase (P6/mmm), with symmetric cpb linkers representing a saddle point in a racemization process
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Teknisk fysik med inriktning mot nanoteknologi och funktionella material
- Engineering Science with specialization in Nanotechnology and Functional Materials
Publication and Content Type
- ref (subject category)
- art (subject category)
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Amombo Noa, Fran ...
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Svensson Grape, ...
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Ahlen, Michelle
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Reinholdsson, Wi ...
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Gob, Christian R ...
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Coudert, Francoi ...
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Cheung, Ocean
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Inge, A. Ken, 19 ...
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Öhrström, Lars, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Nano technology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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Journal of the A ...
- By the university
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Uppsala University
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Stockholm University
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Chalmers University of Technology