Interaction between hydrofluorosilicic acid and 1,10-phenanthroline: Hydrolytic stability of chelate complexes of silicon tetrafluoride with bidentate N-donors
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GELMBOLDT, Vladimir, ANISIMOV, Vladimir, FONARI, Marina. Interaction between hydrofluorosilicic acid and 1,10-phenanthroline: Hydrolytic stability of chelate complexes of silicon tetrafluoride with bidentate N-donors. In: Russian Journal of Inorganic Chemistry, 2016, nr. 7(61), pp. 822-825. ISSN 0036-0236. DOI: https://doi.org/10.1134/S0036023616070056
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Russian Journal of Inorganic Chemistry
Numărul 7(61) / 2016 / ISSN 0036-0236 /ISSNe 1531-8613

Interaction between hydrofluorosilicic acid and 1,10-phenanthroline: Hydrolytic stability of chelate complexes of silicon tetrafluoride with bidentate N-donors

DOI:https://doi.org/10.1134/S0036023616070056

Pag. 822-825

Gelmboldt Vladimir1, Anisimov Vladimir1, Fonari Marina2
 
1 Odessa National Medical University,
2 Institute of Applied Physics, Academy of Sciences of Moldova
 
 
Disponibil în IBN: 15 august 2022


Rezumat

Hexafluorosilicate (LH2)SiF6 and the cis-[SiF4(L)] chelate complex characterized by 19F NMR are products of reaction between hydrofluorosilicic acid and 1,10-phenanthroline (L). XRD findings show that the structure of (LH2)SiF6 is stabilized by NH···F hydrogen bonds (N···F 2.618(4), 2.676(4) Å) and CH···F contacts. The relative resistance of the cis-[SiF4(L)] complex to hydrolysis is associated with the chelate effect.

Cuvinte-cheie
1, 10-phenanthroline, 19F NMR, Chelate complex, Chelate effects, Hydrolytic stability, Products of reaction, Relative resistance, Silicon tetrafluoride

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<title xml:lang='en'>Interaction between hydrofluorosilicic acid and 1,10-phenanthroline: Hydrolytic stability of chelate complexes of silicon tetrafluoride with bidentate N-donors</title>
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<subject>10-phenanthroline</subject>
<subject>19F NMR</subject>
<subject>Chelate complex</subject>
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<subject>Hydrolytic stability</subject>
<subject>Products of reaction</subject>
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<description xml:lang='en' descriptionType='Abstract'><p>Hexafluorosilicate (LH<sub>2</sub>)SiF<sub>6</sub>&nbsp;and the cis-[SiF<sub>4</sub>(L)] chelate complex characterized by&nbsp;<sup>19</sup>F NMR are products of reaction between hydrofluorosilicic acid and 1,10-phenanthroline (L). XRD findings show that the structure of (LH<sub>2</sub>)SiF<sub>6</sub>&nbsp;is stabilized by NH&middot;&middot;&middot;F hydrogen bonds (N&middot;&middot;&middot;F 2.618(4), 2.676(4) &Aring;) and CH&middot;&middot;&middot;F contacts. The relative resistance of the cis-[SiF<sub>4</sub>(L)] complex to hydrolysis is associated with the chelate effect.</p></description>
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