{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["1(9)"],"submitter":["Lei J"],"pubmed_abstract":["Annular tetranuclear cluster based metal-organic frameworks (MOFs) have displayed unique advantages in gas adsorption and separation due to their highly connected robust architectures. Herein, two novel heterometallic tetranuclear motifs, [Y<sub>2</sub>Cd<sub>2</sub>(μ<sub>3</sub>-O)<sub>2</sub>(COO)<sub>8</sub>(H<sub>2</sub>O)<sub>2</sub>] and [Y<sub>2</sub>In<sub>2</sub>(μ<sub>3</sub>-O)<sub>2</sub>(μ<sub>2</sub>-O)<sub>2</sub>(COO)<sub>8</sub>(H<sub>2</sub>O)<sub>2</sub>], were successfully explored, which were further extended by 1,3,5-tris(4-carboxyphenyl)benzene (H<sub>3</sub>BTB) tritopic linker to give isostructural MOFs (SNNU-326 and -327). SNNU-326 and -327 both exhibit the abilities to remove impurities (C<sub>2</sub>-hydrocarbons and CO<sub>2</sub>) in natural gas (NG) and excellent CH<sub>4</sub> storage capacities at high pressures. SNNU-326 shows better CH<sub>4</sub> purification and storage performance than SNNU-327 owing to different framework charges, in which only one counter ion is needed in SNNU-326 but two of them are necessary for SNNU-327, thus resulting in an obvious decrease of surface area. Dynamic breakthrough experiments demonstrate that SNNU-326 can effectively separate CH<sub>4</sub> from equimolar C<sub>2</sub>H<sub>2</sub>/CH<sub>4</sub>, C<sub>2</sub>H<sub>4</sub>/CH<sub>4</sub>, C<sub>2</sub>H<sub>6</sub>/CH<sub>4</sub>, and CO<sub>2</sub>/CH<sub>4</sub> mixtures with breakthrough interval times of about 40.6, 35.1, 54.2, and 10.2 min g<sup>-1</sup> (273 K, 1 bar, 2 mL min<sup>-1</sup>), respectively. At the same time, SNNU-326 exhibits excellent CH<sub>4</sub> storage capability with total and working uptakes of 154.3 cm<sup>3</sup> (STP) cm<sup>-3</sup> (80 bar) and 103.4 cm<sup>3</sup> (STP) cm<sup>-3</sup> (5-65 bar) at 273 K on account of the collaborative impacts of adequate apertures, high surface areas, and multiple open metal sites."],"journal":["Chem & bio engineering"],"pagination":["773-782"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11792913"],"repository":["biostudies-literature"],"pubmed_title":["Development of Heterometallic Annular Tetranuclear Clusters in Metal-Organic Frameworks for Methane Purification and Storage."],"pmcid":["PMC11792913"],"pubmed_authors":["Zhong ZL","Lei J","Wang Y","Yuan W","Zhang P","Zhai QG"],"additional_accession":[]},"is_claimable":false,"name":"Development of Heterometallic Annular Tetranuclear Clusters in Metal-Organic Frameworks for Methane Purification and Storage.","description":"Annular tetranuclear cluster based metal-organic frameworks (MOFs) have displayed unique advantages in gas adsorption and separation due to their highly connected robust architectures. Herein, two novel heterometallic tetranuclear motifs, [Y<sub>2</sub>Cd<sub>2</sub>(μ<sub>3</sub>-O)<sub>2</sub>(COO)<sub>8</sub>(H<sub>2</sub>O)<sub>2</sub>] and [Y<sub>2</sub>In<sub>2</sub>(μ<sub>3</sub>-O)<sub>2</sub>(μ<sub>2</sub>-O)<sub>2</sub>(COO)<sub>8</sub>(H<sub>2</sub>O)<sub>2</sub>], were successfully explored, which were further extended by 1,3,5-tris(4-carboxyphenyl)benzene (H<sub>3</sub>BTB) tritopic linker to give isostructural MOFs (SNNU-326 and -327). SNNU-326 and -327 both exhibit the abilities to remove impurities (C<sub>2</sub>-hydrocarbons and CO<sub>2</sub>) in natural gas (NG) and excellent CH<sub>4</sub> storage capacities at high pressures. SNNU-326 shows better CH<sub>4</sub> purification and storage performance than SNNU-327 owing to different framework charges, in which only one counter ion is needed in SNNU-326 but two of them are necessary for SNNU-327, thus resulting in an obvious decrease of surface area. Dynamic breakthrough experiments demonstrate that SNNU-326 can effectively separate CH<sub>4</sub> from equimolar C<sub>2</sub>H<sub>2</sub>/CH<sub>4</sub>, C<sub>2</sub>H<sub>4</sub>/CH<sub>4</sub>, C<sub>2</sub>H<sub>6</sub>/CH<sub>4</sub>, and CO<sub>2</sub>/CH<sub>4</sub> mixtures with breakthrough interval times of about 40.6, 35.1, 54.2, and 10.2 min g<sup>-1</sup> (273 K, 1 bar, 2 mL min<sup>-1</sup>), respectively. At the same time, SNNU-326 exhibits excellent CH<sub>4</sub> storage capability with total and working uptakes of 154.3 cm<sup>3</sup> (STP) cm<sup>-3</sup> (80 bar) and 103.4 cm<sup>3</sup> (STP) cm<sup>-3</sup> (5-65 bar) at 273 K on account of the collaborative impacts of adequate apertures, high surface areas, and multiple open metal sites.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Oct","modification":"2025-04-04T01:32:32.556Z","creation":"2025-04-04T01:32:32.556Z"},"accession":"S-EPMC11792913","cross_references":{"pubmed":["39974179"],"doi":["10.1021/cbe.4c00009"]}}