10.1002/cplu.201900307
ChemPlusChem
FULL PAPER
properties/functionalities of MOHO NPs via supramolecular
interactions.
Keywords: anion binding • heterogeneous catalysis • clusters •
hydrogen bonding • polyoxometalates
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Experimental Section
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General information. All chemicals were purchased and used as supplied
without further purification. Acetonitrile was distilled by refluxing in the
presence of CaH2 overnight. (NH4)3[AlMo6O18(OH)6] was prepared
according to literature[17]. The ESI-MS spectra of compounds were
measured in a flow injection form, the tested concentration in hybrid was
3 × 10-4 M, the extraction cone value was 5 μL and the source temperature
was 300 °C. The above tests were performed on Thermo Scientific, Q
Exactive. Flash EA 1112 full-automatic microanalyses were used to
analyze the elemental composition. The 1H NMR spectra were obtained
using a JOEL JNM-ECA400 apparatus.
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Isothermal titration calorimetry (ITC) experiments were carried out with a
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the above POM solution. The blank experiments were run by titrating
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X-ray Crystallography. Single-crystal X-ray diffraction analyses were
performed on a Rigaku RAXIS-SPIDER IP diffractometer at 50 kV and 20
mA, using graphite monochromatized Mo Kα radiation (λ = 0.71073 Å) at
93.15 K. Data collection, data reduction, cell refinement, and experimental
absorption correction were performed with the software package of Rigaku
RAPID AUTO (Rigaku, 1998, Ver2.30). Structures were solved by direct
methods and refined against F2 by full matrix least squares. All non-
hydrogen atoms, except disordered atoms, were refined anisotropically.
Hydrogen atoms were generated geometrically. All calculations were
performed using the SHELXS-97 program package. (CCDC:1866503,
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P. Yin acknowledges support from the National Key Research and
Development Program of China (No. 2018YFB0704200), National
Natural Science Foundation of China (No.51873067), Natural
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2018A030313503) and the Fundamental Re-search Funds for the
Central Universities (No. 2018JQ04). Y. Wei acknowledges
support from the National Natural Science Foundation of China
(No. 21471087 and 21225103). S. Shan acknowledges support
from the European Commission for a Marie Curie Fellowship
(PPOM-PTT, 798821).
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