2006
DOI: 10.1002/asia.200600317
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Structural and Magnetic Study of N2, NO, NO2, and SO2 Adsorbed within a Flexible Single‐Crystal Adsorbent of [Rh2(bza)4(pyz)]n

Abstract: The crystalline one-dimensional compound, [Rh(II)2(bza)4(pyz)]n (1) (bza = benzoate, pyz = pyrazine) demonstrates gas adsorbency for N2, NO, NO2, and SO2. These gas-inclusion crystal structures were characterized by single-crystal X-ray crystallography as 1 x 1.5 N2 (298 K), 1 x 2.5 N2 (90 K), and 1 x 1.95 NO (90 K) under forcible adsorption conditions and 1 x 2 NO2 (90 K) and 1 x 3 SO2 (90 K) under ambient pressure. Crystal-phase transition to the P1 space group that correlates with gas adsorption was observe… Show more

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Cited by 40 publications
(11 citation statements)
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“…Similar monoclinic to triclinic phase transitions were also observed for N 2 , NO, CH 4 , O 2 and SO 2 , which exhibited two-step (N 2 ), S-shaped (CH 4 ), or typical Langmuir (NO and O 2 ) isotherm. [110][111][112] On the other hand, the NO 2 -loaded crystal maintained the original group space C2/c and the adsorbed NO 2 molecules existed as N 2 O 4 . 110 The phase transition and structural transformation of [M 2 (bza) 4 (Rpyz)] can be altered by ligand substitution.…”
Section: Structural Transformation Induced By the Change Of Gaseous G...mentioning
confidence: 99%
“…Similar monoclinic to triclinic phase transitions were also observed for N 2 , NO, CH 4 , O 2 and SO 2 , which exhibited two-step (N 2 ), S-shaped (CH 4 ), or typical Langmuir (NO and O 2 ) isotherm. [110][111][112] On the other hand, the NO 2 -loaded crystal maintained the original group space C2/c and the adsorbed NO 2 molecules existed as N 2 O 4 . 110 The phase transition and structural transformation of [M 2 (bza) 4 (Rpyz)] can be altered by ligand substitution.…”
Section: Structural Transformation Induced By the Change Of Gaseous G...mentioning
confidence: 99%
“…Importantly, the unusual stability of the (NO2•N2O4)∞ chain within MFM-300(Al) has also been confirmed by molecular dynamics modelling, which suggests that between room temperature and 600 K, the chain in the MOF remains stable within the simulation timescale (10ps), whereas the chain outside the MOF matrix will collapse entirely. Interestingly, locations of adsorbed NO2 molecules have been determined in a 1D compound [Rh2(bza)4(pyz)] (bza -= benzoate; pyz = pyrazine), where all adsorbed NO2 molecules are found in the dimeric form and no notable guest-guest interaction was observed 21 .…”
Section: (Almentioning
confidence: 99%
“…On this basis, MCPs are good candidates for storing small molecules such as nitric oxide, carbon dioxide (CO 2 ), CH 4 , and ethane, which are not only important for energy and environmental considerations but also are useful for understanding the physicochemical properties of confined molecules, which differ from the properties of the bulk state. [21][22][23][24] In the case of the low-boiling-point gases H 2 , O 2 , and N 2 , which interact more weakly with MCPs than methane, further functionalization of the inner pore surfaces is necessary. In particular, the use of hydrogen in automobiles as a cleanburning substitute for fossil fuels relies in part on the development of a viable onboard storage system.…”
Section: Gas Storage Properties Of Mcpsmentioning
confidence: 99%