Role of the organic counterions on the protonation of Strandberg-type phosphomolybdates

Yaffa, Lamine; Kama, Antoine Blaise; Sall, Mohamed Lamine; Diop, Cheikh; Sidibe, Mamadou; Giorgi, Michel; Diop, Mouhamadou Birame; Gautier, Romain

doi:10.1016/j.poly.2020.114795

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Description Of the Crystal Structure1

Synthesis and Crystallization1

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Cited by 2 publications

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“…Interestingly, both protonated and non-protonated amines (CH3NH3 + and CH3NH2) are present in the network. This phenomenon was also observed in our previously reported phosphomolybdate based compound [30] and in decavanadate/chitosan complex reported by Zhetcheva et al, where both protonated and non protonated amine groups are present [31]. The polyanion [V10O28] 6is formed of ten distorted, edge-sharing octahedral VO6 units arranged in a 2x3 rectangular array [32,33].…”

Section: Description Of the Crystal Structuresupporting

confidence: 82%

Synthesis, crystal structure and electrochemical properties of a new methylammonium sodium decavanate salt Na3(CH3NH3)3[V10O28].(CH3NH2).14H2O

Yaffa

Kama²,

Fall³

et al. 2022

Journal of Molecular Structure

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Section: Description Of the Crystal Structuresupporting

confidence: 82%

Synthesis, crystal structure and electrochemical properties of a new methylammonium sodium decavanate salt Na3(CH3NH3)3[V10O28].(CH3NH2).14H2O

Yaffa

Kama²,

Fall³

et al. 2022

Journal of Molecular Structure

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“…The bands at 926, 857 and 666 cm À1 can be attributed to symmetric and asymmetric W Ot stretching vibrations (Lin et al, 2006;Li et al, 2007). The range of 3500-2800 cm À1 shows many bands ascribed to O-H stretching of water molecules, as well as N-H stretching vibrations of ammonium cations (Yaffa et al, 2020).…”

Section: Synthesis and Crystallizationmentioning

confidence: 99%

Tetraammonium μ-ethylenediaminetetraacetato-1κ³ O,N,O′:2κ³ O′′,N′,O′′′-bis[trioxidotungstate(VI)] tetrahydrate

et al. 2021

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The title compound, (NH4)4[W2(C10H12N2O8)O6]·4H2O, was obtained from a mixture of tungstic acid, ammonia and ethylenediaminetetraacetic acid (H4edta) in a 2:4:1 ratio. The anion of the complex contains two WO3 units and one bridging edta4− ligand. Each central metal atom is tridentately coordinated by nitrogen and two carboxylate groups of the edta4− ligand, together with the three oxido ligands, producing a distorted octahedral coordination environment around each tungsten atom. The center of the carbon–carbon bond of the ethylene bridge represents a crystallographic inversion center. The crystal structure consists of a three-dimensional supramolecular framework built up by the dinuclear cations, the ammonium counter-ions and the solvent water molecules via hydrogen bonds of the N—H...O and O—H...O type.

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Role of the organic counterions on the protonation of Strandberg-type phosphomolybdates

Cited by 2 publications

References 33 publications

Synthesis, crystal structure and electrochemical properties of a new methylammonium sodium decavanate salt Na3(CH3NH3)3[V10O28].(CH3NH2).14H2O

Synthesis, crystal structure and electrochemical properties of a new methylammonium sodium decavanate salt Na3(CH3NH3)3[V10O28].(CH3NH2).14H2O

Tetraammonium μ-ethylenediaminetetraacetato-1κ³ O,N,O′:2κ³ O′′,N′,O′′′-bis[trioxidotungstate(VI)] tetrahydrate

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Role of the organic counterions on the protonation of Strandberg-type phosphomolybdates

Cited by 2 publications

References 33 publications

Synthesis, crystal structure and electrochemical properties of a new methylammonium sodium decavanate salt Na3(CH3NH3)3[V10O28].(CH3NH2).14H2O

Synthesis, crystal structure and electrochemical properties of a new methylammonium sodium decavanate salt Na3(CH3NH3)3[V10O28].(CH3NH2).14H2O

Tetraammonium μ-ethylenediaminetetraacetato-1κ3 O,N,O′:2κ3 O′′,N′,O′′′-bis[trioxidotungstate(VI)] tetrahydrate

Contact Info

Product

Resources

About

Tetraammonium μ-ethylenediaminetetraacetato-1κ³ O,N,O′:2κ³ O′′,N′,O′′′-bis[trioxidotungstate(VI)] tetrahydrate