ℝPM‐1: A Recyclable Nanoporous Material Suitable for Ship‐In‐Bottle Synthesis and Large Hydrocarbon Sorption

Pan, Long; Liu, Haiming; Lei, Xuegong; Huang, Xiao‐Ying; Olson, David H.; Turro, Nicholas J.; Li, Jing

doi:10.1002/anie.200390156

Cited by 462 publications

(164 citation statements)

References 11 publications

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“…2b). [7] The channels are filled with four DMF molecules and a water molecule. The most obvious difference between the two structures 1 and 2 is in the coordination number of the outer metals of the M3 unit, which is 4 for 1 and 5 for 2, although the fifth metal coordination bond of 2 has a Co-O bond length of 2.32 Å, which is rather long, but the equivalent fifth Zn-O bond, 2.8 Å in length, is too long to be considered a bond.…”

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confidence: 99%

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Achieving High Density of Adsorbed Hydrogen in Microporous Metal Organic Frameworks

et al. 2005

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In recent years, there has been an increasing demand for the development of clean and efficient energy sources/carriers to replace fossil fuels. Seeking renewable energy sources/carriers that are clean and abundant is imperative. [1,2] Hydrogen is the most abundant element in the universe and has great potential to become one of the dominant energy carriers in the future. Moreover, the sole by-product of the reactions between hydrogen and oxygen in the generation of energy is water, an environmentally clean species, which is another significant advantage, making this fuel superior to petroleum or other energy sources being used currently. [3] However, due to its low volumetric energy density, adequate storage of hydrogen becomes a key issue that must be addressed if the hydrogen economy is to be developed. The question is how to pack hydrogen into as small a space as possible without using excessively high pressure or very low temperature. This need has led to an intense search for efficient storage materials, but, unfortunately, no current technologies are good enough for commercialization.[4]Recently, we have begun to explore a new type of storage media, microporous metal organic frameworks (MMOFs), a subset of the general family of metal organic frameworks (MOFs). The MMOFs contain very small pores with pore dimensions in the range of micropores (< 20 Å), often ultramicropores (< 7 Å). They exhibit similar sorption properties to other porous materials characteristic of physisorption, including carbon-based materials, silica, and alumina. However, they also demonstrate some apparent advantages over these systems.[5] For example, the MMOFs incorporate metals that are likely to interact with adsorbed hydrogen more strongly than other types of sorbents. They contain perfectly ordered channels that allow hydrogen to effectively access the interior space. The synthesis is simple, highly reproducible, and cost-effective. Furthermore, the crystal structures and pore properties of MMOFs can be systematically modified to improve hydrogen uptake. [6] Compound 1 was insoluble in common organic solvents, but could be converted to the precursor upon refluxing with mixed solvents of H 2 O/EtOH (1:10). Crystals of 1 can also be grown by reactions of Zn(NO 3 ) 2 ·6H 2 O, bpdc, and bpy in DMF (molar ratio of 1:1:1:0.65). Single-crystal X-ray diffraction showed that the crystal structure of 1 is different but closely related to [Co 3 (bpdc) 3 bpy]·4DMF·H 2 O (2). [7] The structure of 1 possesses two crystallographically independent zinc centers (Zn1 and Zn2). [8] Two Zn1 atoms and a Zn2 atom form a trinuclear metal cluster [Zn 3 (bpdc) 6 (bpy) 2 ]. As shown in Figure 1a, this building block is composed of one octahedral metal (Zn2) located at the center and two tetrahedral metals (Zn1) situated at two ends.

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“…Single-crystal X-ray diffraction showed that the crystal structure of 1 is different but closely related to [Co 3 (bpdc) 3 bpy]·4DMF·H 2 O (2). [7] The structure of 1 possesses two crystallographically independent zinc centers (Zn1 and Zn2). [8] Two Zn1 atoms and a Zn2 atom form a trinuclear metal cluster [Zn 3 (bpdc) 6 (bpy) 2 ].…”

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Achieving High Density of Adsorbed Hydrogen in Microporous Metal Organic Frameworks

et al. 2005

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“…[1][2][3] For their unusual structures, this kind of coordination polymers can be potentially used in many fields such as magnetic materials, [4][5][6] optical materials [7][8][9][10][11] and gas storages. [12][13][14][15][16] Of the obtained coordination polymers, isophthalic acid usually acts as space linkers to get the 1-D, 2-D or 3-D metal-organic frameworks. [17][18][19][20] In the preparation of these coordination polymers, triethylamine and sodium hydroxide have always been used as deprotonation reagents.…”

Section: Introductionmentioning

confidence: 99%

Direct Synthesis, Crystal Structure and Thermal Kinetics of Supramolecular Complex [Co(H₂O)₆]·(Hnip)₂·(H₂nip)₂·(DMA)₂·(H₂O)₈ (nip=5‐nitroisophthalate, DMA=CH₃NHCH₃)

et al. 2007

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“…Metal-organic frameworks (MOFs) have recently become active materials in gas storage, and separation applications because of their high surface area, functionalizable pore structures and diverse coordination modes between ligands and metal ions [1][2][3][4][5][6]. The combination of carboxylate and zinc ions is the most common coordination pair in the reported MOFs.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Framework Isomer MOFs Containing Zinc and 4-Tetrazolyl Benzenecarboxylic Acid via a Structure Directing Solvothermal Approach

et al. 2015

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Abstract:The solvothermal synthesis of framework isomers was carried out using the hybrid carboxylate and tetrazolate functional ligand, 4-tetrazolyl benzenecarboxylic acid (H2TBC, TBC = 4-tetrazolyl benzenecarboxylate) and zinc. H2TBC was also synthesized with the solvothermal approach, and is referred herein as structure 1. Using single-crystal X-ray diffraction, we found that the tetrazolate groups of TBC show an unusual "opposite-on" coordination mode with zinc. Three previously characterized metal-organic frameworks (MOFs) were obtained by systematically changing the solvents of the H2TBC-Zn reaction, (1) ZnTBC, 2, which has a non-porous structure; (2) Zn2(TBC)2(H2O), 3, which has an amphiphilic pore structure and (3) Zn2(TBC)2{guest}, 4, which is porous and has channels containing uncoordinated N heteroatoms. Fluorescence spectra of 4 reveal a strong blue emission mainly from the TBC ligands. OPEN ACCESSCrystals 2015, 5 194

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ℝPM‐1: A Recyclable Nanoporous Material Suitable for Ship‐In‐Bottle Synthesis and Large Hydrocarbon Sorption

Cited by 462 publications

References 11 publications

Achieving High Density of Adsorbed Hydrogen in Microporous Metal Organic Frameworks

Achieving High Density of Adsorbed Hydrogen in Microporous Metal Organic Frameworks

Direct Synthesis, Crystal Structure and Thermal Kinetics of Supramolecular Complex [Co(H₂O)₆]·(Hnip)₂·(H₂nip)₂·(DMA)₂·(H₂O)₈ (nip=5‐nitroisophthalate, DMA=CH₃NHCH₃)

Synthesis of Framework Isomer MOFs Containing Zinc and 4-Tetrazolyl Benzenecarboxylic Acid via a Structure Directing Solvothermal Approach

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ℝPM‐1: A Recyclable Nanoporous Material Suitable for Ship‐In‐Bottle Synthesis and Large Hydrocarbon Sorption

Cited by 462 publications

References 11 publications

Achieving High Density of Adsorbed Hydrogen in Microporous Metal Organic Frameworks

Achieving High Density of Adsorbed Hydrogen in Microporous Metal Organic Frameworks

Direct Synthesis, Crystal Structure and Thermal Kinetics of Supramolecular Complex [Co(H2O)6]·(Hnip)2·(H2nip)2·(DMA)2·(H2O)8 (nip=5‐nitroisophthalate, DMA=CH3NHCH3)

Synthesis of Framework Isomer MOFs Containing Zinc and 4-Tetrazolyl Benzenecarboxylic Acid via a Structure Directing Solvothermal Approach

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Direct Synthesis, Crystal Structure and Thermal Kinetics of Supramolecular Complex [Co(H₂O)₆]·(Hnip)₂·(H₂nip)₂·(DMA)₂·(H₂O)₈ (nip=5‐nitroisophthalate, DMA=CH₃NHCH₃)