These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Search MEDLINE/PubMed

  • Title: First keto-functionalized microporous Al-based metal-organic framework: [Al(OH)(O2C-C6H4-CO-C6H4-CO2)].
    Author: Reinsch H, Krüger M, Marrot J, Stock N.
    Journal: Inorg Chem; 2013 Feb 18; 52(4):1854-9. PubMed ID: 23356350.
    Abstract:
    Based on the V-shaped linker molecule 4,4'-benzophenonedicarboxylic acid, the new carbonyl-functionalized metal-organic framework (MOF) [Al(OH)(O(2)C-C(6)H(4)-CO-C(6)H(4)-CO(2))], denoted as CAU-8, was discovered employing high-throughput methods. The compound is obtained from 4,4'-benzophenonedicarboxylic acid, Al(2)(SO(4))(3)·18H(2)O in a mixture of N,N-dimethylformamide (DMF) and water under solvothermal conditions. The structure was determined from single-crystal X-ray diffraction data (I4(1)/a, a = b = 13.0625(5), c = 52.565(2) Å). The framework is based on infinite inorganic building units of trans-connected, corner-sharing AlO(6)-polyhedra. Parallel Al-O-chains are arranged in layers perpendicular to [001]. Within a layer an interchain distance of ∼1.1 nm is observed. The orientation of the Al-O-chains within neighboring layers is perpendicular to each other, along [100] and [010], respectively, and an ABCDA stacking of these layers is observed. The interconnection of these orthogonally oriented chains by the V-shaped dicarboxylate ions results in the formation a three-dimensional framework structure containing one-dimensional channels with a diameter of about 8 Å. The pore walls are lined by the keto-groups. CAU-8 was thoroughly characterized by X-ray powder diffraction (XRPD), thermogravimetric measurements, IR- and Raman-spectroscopy, elemental analysis, and gas sorption experiments using N(2) and H(2) as adsorptives. CAU-8 is stable up to 350 °C in air and exhibits a moderate porosity with a specific surface area of S(BET) = 600 m(2)/g and a micropore volume of 0.23 cm(3)/g. Moreover, a detailed topological analysis of the framework was carried out, and an approach for the topological analysis of MOFs based on infinite 1-periodic building units is proposed.
    [Abstract] [Full Text] [Related] [New Search]