Anionic gallium-based metal-organic framework and its sorption and ion-exchange properties

Debasis Banerjee; Sun Jin Kim; Haohan Wu; Wenqian Xu; Lauren A. Borkowski; Jing Li; John B. Parise

doi:10.1021/ic101789u

Anionic gallium-based metal-organic framework and its sorption and ion-exchange properties

Debasis Banerjee, Sun Jin Kim, Haohan Wu, Wenqian Xu, Lauren A. Borkowski, Jing Li, John B. Parise

Rutgers University

Research output: Contribution to journal › Article › peer-review

53 Citations (Scopus)

Abstract

A gallium-based metal-organic framework Ga₆(C₉H ₃O₆)₈· (C₂H ₈N)₆(C₃H₇NO)₃(H ₂O)₂₆ [1, Ga₆(1,3,5-BTC)₈· 6DMA·3DMF·26H₂O], GaMOF-1; BTC = benzenetricarboxylate/ trimesic acid and DMA = dimethylamine], with space group I4̄3d, a = 19.611(1) Å, and V = 7953.4(6) Å³, was synthesized using solvothermal techniques and characterized by synchrotron-based X-ray microcrystal diffraction. Compound 1 contains isolated gallium tetrahedra connected by the organic linker (BTC) forming a 3,4-connected anionic porous network. Disordered positively charged ions and solvent molecules are present in the pore, compensating for the negative charge of the framework. These positively charged molecules could be exchanged with alkali-metal ions, as is evident by an ICP-MS study. The H₂ storage capacity of the parent framework is moderate with a H₂ storage capacity of ∼0.5 wt % at 77 K and 1 atm.

Original language	English
Pages (from-to)	208-212
Number of pages	5
Journal	Inorganic Chemistry
Volume	50
Issue number	1
DOIs	https://doi.org/10.1021/ic101789u
Publication status	Published - Jan 3 2011

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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@article{5aaf4a59779a43829a3ebead13d3076a,

title = "Anionic gallium-based metal-organic framework and its sorption and ion-exchange properties",

abstract = "A gallium-based metal-organic framework Ga6(C9H 3O6)8· (C2H 8N)6(C3H7NO)3(H 2O)26 [1, Ga6(1,3,5-BTC)8· 6DMA·3DMF·26H2O], GaMOF-1; BTC = benzenetricarboxylate/ trimesic acid and DMA = dimethylamine], with space group I{\=4}3d, a = 19.611(1) {\AA}, and V = 7953.4(6) {\AA}3, was synthesized using solvothermal techniques and characterized by synchrotron-based X-ray microcrystal diffraction. Compound 1 contains isolated gallium tetrahedra connected by the organic linker (BTC) forming a 3,4-connected anionic porous network. Disordered positively charged ions and solvent molecules are present in the pore, compensating for the negative charge of the framework. These positively charged molecules could be exchanged with alkali-metal ions, as is evident by an ICP-MS study. The H2 storage capacity of the parent framework is moderate with a H2 storage capacity of ∼0.5 wt % at 77 K and 1 atm.",

author = "Debasis Banerjee and Kim, {Sun Jin} and Haohan Wu and Wenqian Xu and Borkowski, {Lauren A.} and Jing Li and Parise, {John B.}",

year = "2011",

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AU - Banerjee, Debasis

AU - Kim, Sun Jin

AU - Wu, Haohan

AU - Xu, Wenqian

AU - Borkowski, Lauren A.

AU - Li, Jing

AU - Parise, John B.

PY - 2011/1/3

Y1 - 2011/1/3

N2 - A gallium-based metal-organic framework Ga6(C9H 3O6)8· (C2H 8N)6(C3H7NO)3(H 2O)26 [1, Ga6(1,3,5-BTC)8· 6DMA·3DMF·26H2O], GaMOF-1; BTC = benzenetricarboxylate/ trimesic acid and DMA = dimethylamine], with space group I4̄3d, a = 19.611(1) Å, and V = 7953.4(6) Å3, was synthesized using solvothermal techniques and characterized by synchrotron-based X-ray microcrystal diffraction. Compound 1 contains isolated gallium tetrahedra connected by the organic linker (BTC) forming a 3,4-connected anionic porous network. Disordered positively charged ions and solvent molecules are present in the pore, compensating for the negative charge of the framework. These positively charged molecules could be exchanged with alkali-metal ions, as is evident by an ICP-MS study. The H2 storage capacity of the parent framework is moderate with a H2 storage capacity of ∼0.5 wt % at 77 K and 1 atm.

AB - A gallium-based metal-organic framework Ga6(C9H 3O6)8· (C2H 8N)6(C3H7NO)3(H 2O)26 [1, Ga6(1,3,5-BTC)8· 6DMA·3DMF·26H2O], GaMOF-1; BTC = benzenetricarboxylate/ trimesic acid and DMA = dimethylamine], with space group I4̄3d, a = 19.611(1) Å, and V = 7953.4(6) Å3, was synthesized using solvothermal techniques and characterized by synchrotron-based X-ray microcrystal diffraction. Compound 1 contains isolated gallium tetrahedra connected by the organic linker (BTC) forming a 3,4-connected anionic porous network. Disordered positively charged ions and solvent molecules are present in the pore, compensating for the negative charge of the framework. These positively charged molecules could be exchanged with alkali-metal ions, as is evident by an ICP-MS study. The H2 storage capacity of the parent framework is moderate with a H2 storage capacity of ∼0.5 wt % at 77 K and 1 atm.

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