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Rational assembly of functional Co-MOFs via a mixed-ligand strategy: synthesis, structure, topological variation, photodegradation properties and dye adsorptionElectronic supplementary information (ESI) available. CCDC 1828835-1828838. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8ce00868j
Erscheinungsjahr
2018-08
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Four novel Co(
ii
) metal-organic frameworks, namely [Co
2
(4,4′-cpmb)
2
(1,1′-bbi)
2
]
n
(
1
), [Co(4,4′-cpmb)(4,4′-bbibp)]
n
(
2
), {[Co(4,4′-cpmb)(tib)]·3(H
2
O)}
n
(
3
) and {[Co(4,4′-sdc)(tib)]·(H
2
O)}
n
(
4
) (flexible 4,4′-cpmb = 4-(4-carboxylphenylmethylthio)benzoic acid, rigid 4,4′-sdc = 4,4′-stilbenedicarboxylic acid, flexible 1,1′-bbi = 1,1′-(1,4-butanediyl)bis(imidazole), rigid 4,4′-bbibp = 4,4′-bis(benzoimidazo-1-ly)biphenyl and rigid tib = 1,3,5-tris(1-imidazolyl)benzene) were synthesized employing a rational design approach under solvothermal conditions and further characterized by elemental analysis, IR spectra, thermogravimetric (TG) analysis, powder X-ray diffraction (PXRD), and single-crystal X-ray diffraction. The four Co-MOFs display different interpenetrated structures due to the flexibility of O/N-donor ligands. Single-crystal X-ray diffraction analysis reveals that complex
1
displays a 6-fold interpenetrating class
Ia
net with the point Schläfli symbol of (6
6
). Complex
2
shows a 3-fold interpenetrating
sqc5
net with the point Schläfli symbol of (6
6
·8). Complexes
3
and
4
exhibit a 2-fold interpenetrating 4-connected
sql
topology with the point Schläfli symbol of (4
4
·6
2
). The photodegradation properties and dye adsorption capacity of complexes
1-4
are investigated, and the framework integrity of complexes
1-4
can be well-retained.
Four novel Co(
ii
) metal-organic frameworks were synthesized employing a rational design approach under solvothermal conditions.
Sprache
–
Identifikatoren
eISSN: 1466-8033
DOI: 10.1039/c8ce00868j
Titel-ID: cdi_rsc_primary_c8ce00868j
Format
–
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