1
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Li X, Sensharma D, Loots L, Geng S, Nikkhah SJ, Lin E, Bon V, Liu W, Wang Z, He T, Mukherjee S, Vandichel M, Kaskel S, Barbour LJ, Zhang Z, Zaworotko MJ. Reversible Phase Transformations in a Double-Walled Diamondoid Coordination Network with a Stepped Isotherm for Methane. J Am Chem Soc 2024; 146:18387-18395. [PMID: 38904843 PMCID: PMC11240251 DOI: 10.1021/jacs.4c03555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Flexible metal-organic materials (FMOMs) with stepped isotherms can offer enhanced working capacity in storage applications such as adsorbed natural gas (ANG) storage. Unfortunately, whereas >1000 FMOMs are known, only a handful exhibit methane uptake of >150 cm3/cm3 at 65 atm and 298 K, conditions relevant to ANG. Here, we report a double-walled 2-fold interpenetrated diamondoid (dia) network, X-dia-6-Ni, [Ni2L4(μ-H2O)]n, comprising a new azo linker ligand, L- (L- = (E)-3-(pyridin-4-yldiazenyl)benzoate) and 8-connected dinuclear molecular building blocks. X-dia-6-Ni exhibited gas (CO2, N2, CH4) and liquid (C8 hydrocarbons)-induced reversible transformations between its activated narrow-pore β phase and γ, a large-pore phase with ca. 33% increase in unit cell volume. Single-crystal X-ray diffraction (SCXRD) studies of the as-synthesized phase α, β, and γ revealed that structural transformations were enabled by twisting of the azo moiety and/or deformation of the MBB. Further insight into these transformations was gained from variable temperature powder XRD and in situ variable pressure powder XRD. Low-temperature N2 and CO2 sorption revealed stepped Type F-II isotherms with saturation uptakes of 422 and 401 cm3/g, respectively. X-dia-6-Ni exhibited uptake of 200 cm3/cm3 (65 atm, 298 K) and a high CH4 working capacity of 166 cm3/cm3 (5-65 bar, 298 K, 33 cycles), the third highest value yet reported for an FMOM and the highest value for an FMOM with a Type F-II isotherm.
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Affiliation(s)
- Xia Li
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Debobroto Sensharma
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Leigh Loots
- Department of Chemistry and Polymer Science, Stellenbosch University, Matieland 7602, South Africa
| | - Shubo Geng
- College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Sousa Javan Nikkhah
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - En Lin
- College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Volodymyr Bon
- Faculty of Chemistry, Technische Universität Dresden, Bergstrasse 66, 01062 Dresden, Germany
| | - Wansheng Liu
- College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Zhifang Wang
- College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Tao He
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Soumya Mukherjee
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Matthias Vandichel
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland
| | - Stefan Kaskel
- Faculty of Chemistry, Technische Universität Dresden, Bergstrasse 66, 01062 Dresden, Germany
| | - Leonard J Barbour
- Department of Chemistry and Polymer Science, Stellenbosch University, Matieland 7602, South Africa
| | - Zhenjie Zhang
- College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Michael J Zaworotko
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland
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2
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Koupepidou K, Wang SQ, Nikolayenko VI, Castell DC, Matos CMO, Vandichel M, Zaworotko MJ. Gate-opening Induced by C8 Aromatics in a Double Diamondoid Coordination Network. ACS MATERIALS LETTERS 2024; 6:2197-2204. [PMID: 38845756 PMCID: PMC11151277 DOI: 10.1021/acsmaterialslett.4c00511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 06/09/2024]
Abstract
Coordination networks (CNs) that undergo guest-induced structural transformations are of topical interest thanks to their potential utility in separations and storage applications. Herein, we report a double diamondoid (ddi) topology CN, [Ni2(bimpz)2(bdc)2(H2O)] n or X-ddi-2-Ni (H2bdc = 1,4-benzenedicarboxylic acid, bimpz = 3,6-bis(imidazol-1-yl)pyridazine), that undergoes structural transformations induced by C8 isomers, i.e., xylenes (o-xylene, OX; m-xylene, MX; p-xylene, PX) and ethylbenzene (EB). X-ddi-2-Ni was characterized by single-crystal to single-crystal transformations from a nonporous phase, X-ddi-2-Ni-β, to isostructural C8-loaded phases, namely X-ddi-2-Ni-OX, X-ddi-2-Ni-MX, X-ddi-2-Ni-PX and X-ddi-2-Ni-EB. X-ddi-2-Ni accommodates two C8 isomers per Ni unit, resulting in relatively high uptake (ca. 50 wt %), but with low selectivity toward C8 isomers as found using nuclear magnetic resonance (NMR) and gas chromatography (GC). In addition, a narrow range of gate-opening pressures for each isomer was determined from dynamic vapor sorption, consistent with the nonadaptable nature of the C8-loaded phase determined crystallographically, also supported by modeling.
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Affiliation(s)
- Kyriaki Koupepidou
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Shi-Qiang Wang
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
- Institute
of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, 138634 Singapore
| | - Varvara I. Nikolayenko
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Dominic C. Castell
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Catiúcia
R. M. O. Matos
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Matthias Vandichel
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Michael J. Zaworotko
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
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3
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Subanbekova A, Bezrukov AA, Bon V, Nikolayenko VI, Koupepidou K, Sensharma D, Javan Nikkhah S, Wang SQ, Kaskel S, Vandichel M, Zaworotko MJ. Effect of Polymorphism on the Sorption Properties of a Flexible Square-Lattice Topology Coordination Network. ACS APPLIED MATERIALS & INTERFACES 2024; 16. [PMID: 38666365 PMCID: PMC11082895 DOI: 10.1021/acsami.4c03777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/13/2024] [Accepted: 04/16/2024] [Indexed: 05/12/2024]
Abstract
The stimulus-responsive behavior of coordination networks (CNs), which switch between closed (nonporous) and open (porous) phases, is of interest because of its potential utility in gas storage and separation. Herein, we report two polymorphs of a new square-lattice (sql) topology CN, X-sql-1-Cu, of formula [Cu(Imibz)2]n (HImibz = {[4-(1H-imidazol-1-yl)phenylimino]methyl}benzoic acid), isolated from the as-synthesized CN X-sql-1-Cu-(MeOH)2·2MeOH, which subsequently transformed to a narrow pore solvate, X-sql-1-Cu-A·MeOH, upon mild activation (drying in air or heating at 333 K under nitrogen). X-sql-1-Cu-A·MeOH contains MeOH in cavities, which was removed through exposure to vacuum for 2 h, yielding the nonporous (closed) phase X-sql-1-Cu-A. In contrast, a more dense polymorph, X-sql-1-Cu-B, was obtained by exposing X-sql-1-Cu-(MeOH)2·2MeOH directly to vacuum for 2 h. Gas sorption studies conducted on X-sql-1-Cu-A and X-sql-1-Cu-B revealed different switching behaviors to two open phases (X-sql-1-Cu·CO2 and X-sql-1-Cu·C2H2), with different gate-opening threshold pressures for CO2 at 195 K and C2H2 at 278 K. Coincident CO2 sorption and in situ powder X-ray diffraction studies at 195 K revealed that X-sql-1-Cu-A transformed to X-sql-1-Cu-B after the first sorption cycle and that the CO2-induced switching transformation was thereafter reversible. The results presented herein provide insights into the relationship between two polymorphs of a CN and the effect of polymorphism upon gas sorption properties. To the best of our knowledge, whereas sql networks such as X-sql-1-Cu are widely studied in terms of their structural and sorption properties, this study represents only the second example of an in-depth study of the sorption properties of polymorphic sql networks.
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Affiliation(s)
- Aizhamal Subanbekova
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Andrey A. Bezrukov
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Volodymyr Bon
- Faculty
of Chemistry, Technische Universität
Dresden, Bergstrasse 66, Dresden 01062, Germany
| | - Varvara I. Nikolayenko
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Kyriaki Koupepidou
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Debobroto Sensharma
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Sousa Javan Nikkhah
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Shi-Qiang Wang
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
- Institute
of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
| | - Stefan Kaskel
- Faculty
of Chemistry, Technische Universität
Dresden, Bergstrasse 66, Dresden 01062, Germany
| | - Matthias Vandichel
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Michael J. Zaworotko
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
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4
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Wang SQ, Bon V, Darwish S, Wang SM, Yang QY, Xu Z, Kaskel S, Zaworotko MJ. Insight into the Gas-Induced Phase Transformations in a 2D Switching Coordination Network via Coincident Gas Sorption and In Situ PXRD. ACS MATERIALS LETTERS 2024; 6:666-673. [PMID: 38333599 PMCID: PMC10848331 DOI: 10.1021/acsmaterialslett.3c01520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 02/10/2024]
Abstract
Switching coordination networks (CNs) that reversibly transform between narrow or closed pore (cp) and large pore (lp) phases, though fewer than their rigid counterparts, offer opportunities for sorption-related applications. However, their structural transformations and switching mechanisms remain underexplored at the molecular level. In this study, we conducted a systematic investigation into a 2D switching CN, [Ni(bpy)2(NCS)2]n, sql-1-Ni-NCS (1 = bpy = 4,4'-bipyridine), using coincident gas sorption and in situ powder X-ray diffraction (PXRD) under low-temperature conditions. Gas adsorption measurements revealed that C2H4 (169 K) and C2H6 (185 K) exhibited single-step type F-IVs sorption isotherms with sorption uptakes of around 180-185 cm3 g-1, equivalent to four sorbate molecules per formula unit. Furthermore, parallel in situ PXRD experiments provided insight into sorbate-dependent phase switching during the sorption process. Specifically, CO2 sorption induced single-step phase switching (path I) solely between cp and lp phases consistent with the observed single-step type F-IVs sorption isotherm. By contrast, intermediate pore (ip) phases emerged during C2H4 and C2H6 desorption as well as C3H6 adsorption, although they remained undetectable in the sorption isotherms. To our knowledge, such a cp-lp-ip-cp transformation (path II) induced by C2H4/6 and accompanied by single-step type F-IVs sorption isotherms represents a novel type of phase transition mechanism in switching CNs. By virtue of Rietveld refinements and molecular simulations, we elucidated that the phase transformations are governed by cooperative local and global structural changes involving NCS- ligand reorientation, bpy ligand twist and rotation, cavity edge (Ni-bpy-Ni) deformation, and interlayer expansion and sliding.
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Affiliation(s)
- Shi-Qiang Wang
- Institute
of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Republic of Singapore
| | - Volodymyr Bon
- Faculty
of Chemistry, Technische Universität
Dresden, Bergstrasse 66, Dresden 01062, Germany
| | - Shaza Darwish
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Shao-Min Wang
- School
of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
| | - Qing-Yuan Yang
- School
of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
| | - Zhengtao Xu
- Institute
of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Republic of Singapore
| | - Stefan Kaskel
- Faculty
of Chemistry, Technische Universität
Dresden, Bergstrasse 66, Dresden 01062, Germany
| | - Michael J. Zaworotko
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
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5
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Koupepidou K, Bezrukov AA, Castell DC, Sensharma D, Mukherjee S, Zaworotko MJ. Water vapour induced structural flexibility in a square lattice coordination network. Chem Commun (Camb) 2023; 59:13867-13870. [PMID: 37930365 DOI: 10.1039/d3cc04109c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Herein, we introduce a new square lattice topology coordination network, sql-(1,3-bib)(ndc)-Ni, with three types of connection and detail its gas and vapour induced phase transformations. Exposure to humidity resulted in an S-shaped isotherm profile, suggesting potential utility of such materials as desiccants.
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Affiliation(s)
- Kyriaki Koupepidou
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland.
| | - Andrey A Bezrukov
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland.
| | - Dominic C Castell
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland.
| | - Debobroto Sensharma
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland.
| | - Soumya Mukherjee
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland.
| | - Michael J Zaworotko
- Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Republic of Ireland.
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