The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
A Contrivance for a Dynamic Porous Framework: Cooperative Guest Adsorption Based on Square Grids Connected by Amide−Amide Hydrogen Bonds
Abstract
Flexible porous coordination polymers containing amide groups as a function origin have been synthesized and categorized as "Coordination Polymer with Amide Groups". Bispyridyl ligands with a spacer of amide group afford two-dimensional (2-D) motifs with a deformed square grid, resulting in three-dimensional (3-D) frameworks of [Co(NO(3))(2)(3-pna)(2)](n)(1), [Co(Br)(2)(3-pna)(2)](n)(2), and [[Co(NCS)(2)(4-peia)(2)].4Me(2)CO](n)(3 subset 4Me(2)CO) (3-pna = N-3-pyridylnicotinamide, 4-peia = N-(2-pyridin-4-yl-ethyl)-isonicotinamide), where the 2-D motifs are bound by complementary hydrogen bond between the amide groups. In the case of the 3 subset 4Me(2)CO, the amide groups form a contrivance for a dynamic porous framework because of their relevant position and orientation in the mutual nearest neighboring motifs. Consequently, 3 subset 4Me(2)CO shows amorphous (nonporous)-to-crystal (porous) structural rearrangement in the Me(2)CO adsorption and desorption process, where the framework of the 2-D motif is maintained. The adsorption isotherm has threshold pressure (P(th)), a sort of gate pressure. The heat of Me(2)CO adsorption (DeltaH(ad) = -25 kJ/mol) is obtained from the temperature dependence of threshold pressure (P(th)), which is close to acetone vaporization enthalpy (DeltaH(vap) = 30.99 kJ/mol).
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Cites
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Gas Storage in Nanoporous Materials
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Self-citationFlexibility in metal-organic framework materials: Impact on sorption properties
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Methane and Carbon Dioxide Storage in a Porous van der Waals Crystal
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Metadata
- Authors
- Uemura, K., Kitagawa, S., Fukui, K., & Saito, K.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-03-01
- Volume
- 126
- Issue
- 12
- Pages
- 3817-3828
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2062858999
- Cited by
- 296
- References
- 41
- FWCI
- 22.80
- Type
- journal article
- Language
- en
- Open access
- closed
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