An open-framework beryllium phosphite with extra-large 18-ring channels

Wang, Guo‐Ming; Li, Jinhua; Wei, Li; Han, Song‐De; Zhao, Xiaomeng; Bao, Zhen‐Zhen

doi:10.1039/c5ce01507c

Cited by 21 publications

(7 citation statements)

References 28 publications

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“…The organoamine-directed synthetic strategy is efficient to the fabrication of crystalline materials. − The organoamine-directed assembly has been widely investigated in the development history of phosphate and phosphite. − The template role together with the potential coordination role of organoamine provides the opportunities for fabricating exotic products in terms of structure and properties. Considering the similarity between inorganic phosphates (or phosphites) and organophosphonates, the organoamines-directed assembly is also applicable to the metal phosphonate.…”

Section: Introductionmentioning

confidence: 99%

Two Cobalt-diphosphonates Templated by Long-Chain Flexible Amines: Synthesis, Structures, Proton Conductivity, and Magnetic Properties

Han

et al. 2018

Crystal Growth & Design

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Two new cobalt-diphosphonates templated by protonated 1,2-bis(3-aminopropylamino)ethane (BAPEN), (C8N4H26)0.5·[Co(HEDP)]·H2O (1) and (C8N4H26)·[Co2(HEDP)2(H2O)2]·5H2O (2), were hydrothermally prepared (HEDP = CH3C(OH)(PO3)2, 1-hydroxyethylidenediphosphonate). Compounds 1 and 2 exhibit anionic 1D Co-HEDP chain and 2D Co-HEDP layer structure, respectively. The structure diversities from 1D chain to 2D layer was realized by adjusting the synthetic parameters. Their magnetism and proton conduction have been studied. Magnetic measurements indicated that the title compounds exhibit weak magnetic interactions. Compounds 1 and 2 feature a proton conductivity of 3.57 × 10–4 and 9.43 × 10–5 S cm–1 at 100% relative humidity and 65 °C, respectively.

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Section: Introductionmentioning

confidence: 99%

Two Cobalt-diphosphonates Templated by Long-Chain Flexible Amines: Synthesis, Structures, Proton Conductivity, and Magnetic Properties

Han

et al. 2018

Crystal Growth & Design

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“…Recently, the design and construction of metal–organic frameworks (MOFs) has obtained great interest in the view of their intriguing structures, topologies, and potential applications in gas storage, separation, catalysis, magnetic properties, biomedicine, and chemical sensors . It has been more and more popular to synthesize lanthanide-based organic frameworks to enrich the varieties of structures and improve the properties by introduction of heterometallic ions, especially transition metal ions.…”

Section: Introductionmentioning

confidence: 99%

Luminescent 3D Lanthanide–Cadmium Heterometal–Organic Frameworks with Chemical Stability and Selective Luminescent Sensing

et al. 2017

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Four novel three-dimensional (3D) 4d-4f heterometal-organic compounds, [LnCd(Pbc)(Meimdc)(HO)]·3HO (Ln = Eu, 1a; Tb, 1b; Sm, 1c; Dy, 1d) (HPbc = 4-(4-pyridinyl)benzoic acid; HMeimdc = 2-methyl-1H-4,5-imidazole-dicarboxylic acid), have been successfully prepared by a hydrothermal method. All the compounds are isostructural and show three-dimensional microporous pillar-layered structures with uncoordinated carboxylate sites hung in the channels. Compound 1a possesses excellent chemical stability. The luminescent investigations show that compounds 1a, 1b, 1c, and 1d display the characteristic emission bands of Ln ions. Compound 1a exhibits a good potential as a luminescent sensor material for multi-responsive Ag, Cu, Zn, Co, and Ni cations and some organic amines. Interestingly, 1a can capture Ag, Cu, Zn, Co, and Ni cations and shows cation-dependent colorimetric response, which indicates the potential for naked sensing.

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“…The nonframework volume, estimated in terms of solvent-accessible volume (SAV), was ∼45%, which is not the highest compared with other 18R-channel structures (Table S3). However, NTHU-15 is the only MPO structure that possesses ∼24% of the unit-cell volume as SAV even when large template species such as H 5 TEPA 5+ or H 6 PEHA 6+ are present (Figure S8 and Table S3). Apparently, the presence of the templates does not obstruct the channels.…”

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confidence: 98%

Polyamine-Cladded 18-Ring-Channel Gallium Phosphites with High-Capacity Hydrogen Adsorption and Carbon Dioxide Capture

2016

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In this study, we synthesized a unique inorganic framework bearing the largest 18-membered-ring channels in gallium phosphites, denoted as NTHU-15, which displayed genuine porosity even though large organic templates were present. The idea of using the "template-cladded" strategy succeeded in releasing channel space of up to ∼24% of the unit-cell volume as highly positive-charged organic templates were manipulated to cling to the anionic inorganic walls. NTHU-15 showed both high H2 uptake of 3.8 mmol/g at 77 K and effective CO2 adsorption of ∼2.4 mmol/g at 298 K, which surpassed those of all other known extra-large-channel inorganic framework structures. NTHU-15 has been successful at overcoming the long-standing problem of organic-templated extra-large-channel structures as opposed to a "true open" framework. Moreover, it realized practical gas sorption functionality in innovated metal phosphites. In view of its high stability in hot water and high selectivity for CO2 adsorption, NTHU-15 may be the first novel inorganic framework material to be applied to the field of flue gas cleaning.

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An open-framework beryllium phosphite with extra-large 18-ring channels

Abstract: We report herein a 3D interrupted beryllium phosphite open-framework with a low density (1.594 g cm−3), which is the first case of a beryllium phosphite framework containing extra-large 18-ring channels.

Cited by 21 publications

References 28 publications

Two Cobalt-diphosphonates Templated by Long-Chain Flexible Amines: Synthesis, Structures, Proton Conductivity, and Magnetic Properties

Two Cobalt-diphosphonates Templated by Long-Chain Flexible Amines: Synthesis, Structures, Proton Conductivity, and Magnetic Properties

Luminescent 3D Lanthanide–Cadmium Heterometal–Organic Frameworks with Chemical Stability and Selective Luminescent Sensing

Polyamine-Cladded 18-Ring-Channel Gallium Phosphites with High-Capacity Hydrogen Adsorption and Carbon Dioxide Capture

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