X-ray and spectroscopic investigations of the structure of yttrium acetate tetrahydrate

Ribot, François; Tolédano, P.; Sánchez, Clément

doi:10.1016/s0020-1693(00)85449-3

Cited by 65 publications

(36 citation statements)

References 14 publications

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“…The 13 C CP-MAS spectrum of the silylated yttrium acetate illustrates, in comparison with the hydrated yttrium acetate, the deformation of the set of three resonance at 24 ppm corresponding to the methyl group. [19] This deformation corresponds to the decreasing and the modification of the intensities of the different resonances. Moreover, the intensity of the second set at around 185 ppm assigned to an acetate bonded to a metal atom strongly decreased.…”

Section: Silylation Of Yttrium Triacetatementioning

confidence: 98%

“…1. F. Ribot et al [19,30] indicate that, in the case of hydrated rare earth acetate crystals, there are four kinds of coordination modes of acetate groups: monodentate, chelating, bridging and polymeric. 13 C CP-MAS appears to be very appropriate to define the coordination modes.…”

Section: Silylation Of Yttrium Triacetatementioning

confidence: 99%

“…Moreover, the intensity of the second set at around 185 ppm assigned to an acetate bonded to a metal atom strongly decreased. [19,31] In parallel, the spectrum of the silylated yttrium acetate shows new lines at around 68 and 1 ppm which would be characteristic of the vinyl group (HC CH 2 ) [32 -35] and Si-CH 3 group, [15,28] respectively. Therefore the two resonances at 9.7 and 47.8 ppm could be correlated to the methyl (N-CH 2 -CH 3 ) and -CH 2 groups in triethylamine (N-CH 2 -CH 3 ) [36] which were not fully removed during the drying step.…”

Section: Silylation Of Yttrium Triacetatementioning

confidence: 99%

“…The FTIR spectra of both commercial reagent and silylated product are reported in Fig. 2. www.interscience.wiley.com/journal/aoc [19,30,51] Si-C deformation in Si-methyl group [36,40,59] IR band positions in hydrated yttrium acetate and the specific IR bands in silylated yttrium acetate, prepared with a dehydrated product, are reported in Tables 1 and 2, respectively. First, compared with the silylated product, the IR spectrum of hydrated yttrium acetate (Fig. 2a) exhibits an evolution of the stretching γ (C-C) (960 and 945 cm −1 ) [19] .…”

Section: Silylation Of Yttrium Triacetatementioning

confidence: 99%

“…A previous work [19] showed that the water molecules in the hydrated yttrium acetate Y 2 (CH 3 CO 2 ) 6 …”

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confidence: 99%

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Two synthesis routes of organometallic precursors for the elaboration of SiCNYO pre‐alloyed nanopowders

Chehaidi

Foucaud

Maı̂tre

et al. 2010

Applied Organom Chemis

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International audienceTwo routes were simultaneously investigated to prepare organometallic precursors. They were characterized by NMR and FTIR techniques. In the first route, yttrium acetate was silylated by trimethylchlorosilane before its dissolution in hexamethydisilazane. That leads to a liquid precursor containing Si–C–N–Y–O–H elements. In the second route, a precursor with the same elements was elaborated by dissolution of an amminolysed yttrium compound in tetramethyldisiloxane. The amminolysed yttrium compound was obtained through the amminolysis of the yttrium trichloride by triethylamine [N(C2H5)3]

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Section: Silylation Of Yttrium Triacetatementioning

confidence: 98%

Section: Silylation Of Yttrium Triacetatementioning

confidence: 99%

Section: Silylation Of Yttrium Triacetatementioning

confidence: 99%

Section: Silylation Of Yttrium Triacetatementioning

confidence: 99%

“…A previous work [19] showed that the water molecules in the hydrated yttrium acetate Y 2 (CH 3 CO 2 ) 6 …”

mentioning

confidence: 99%

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Two synthesis routes of organometallic precursors for the elaboration of SiCNYO pre‐alloyed nanopowders

Chehaidi

Foucaud

Maı̂tre

et al. 2010

Applied Organom Chemis

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Shedding Light on Functional Hybrid Nanocomposites 19th Century Paint Medium

Pasco

Viguerie²,

Faustini

et al. 2021

Adv Funct Materials

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British 19 th century painters formulated gelled systems described as "the most facile and versatile vehicle(s) that any painter has ever had at his disposal". [1] These so-called megilps or gumtions, are based on common paint materials i.e., linseed oil, lead acetate and mastic resin, and allowed painters such as J.M.W Turner to improve their paint's properties and achieve unprecedented effects in an age of innovation.To propose a structural scheme of these hybrid systems of unprecedented complexity, it was paramount to design and study model systems using a broad combination of advanced spectroscopic techniques and microscopies. Through this approach, we can describe gel Mediums as nanocomposites, based on lead metallogels co-existing with lead oxide nanoparticles and a partially polymerised fraction. These functional hybrid materials created a real breakthrough on 19 th century paints performances. IntroductionReceived: ((will be filled in by the editorial staff))Revised: ((will be filled in by the editorial staff))

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ChemInform Abstract: X‐Ray and Spectroscopic Investigations of the Structure of Yttrium Acetate Tetrahydrate

1991

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X-ray and spectroscopic investigations of the structure of yttrium acetate tetrahydrate

Cited by 65 publications

References 14 publications

Two synthesis routes of organometallic precursors for the elaboration of SiCNYO pre‐alloyed nanopowders

Two synthesis routes of organometallic precursors for the elaboration of SiCNYO pre‐alloyed nanopowders

Shedding Light on Functional Hybrid Nanocomposites 19th Century Paint Medium

ChemInform Abstract: X‐Ray and Spectroscopic Investigations of the Structure of Yttrium Acetate Tetrahydrate

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