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Whiskers of Iron(II) (1-Hydroxyethylidene)diphosphonate and Its Complex with Morpholine

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Abstract

The interaction of an aqueous suspension of fine-grained iron with one equivalent of (1-hydroxy-ethylidene)diphosphonic acid (H4L) leads to the formation of poorly soluble iron(II) (1-hydroxy-ethylidene)diphosphonate (FeH2L · H2O), which precipitates from the solution in the form of whiskers. A compound consisting of crystalline and X-ray amorphous fractions, whose structure is based on stacked sheets of whiskers, linked by amorphous phase, was selected from the FeH2L · H2O reaction mixture with morpholine. The compounds have been studied by methods of elemental analysis, scanning electron microscopy, optical microscopy, atomic force microscopy (AFM), and X-ray diffraction (XRD) analysis.

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ACKNOWLEDGMENTS

This study was performed using equipment of the Center for Shared Use of the Scientific Educational Center “Physics of Solid State Nanostructures” of the Lobachevsky State University of Nizhny Novgorod and of the Analytical Center of the Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences.

Funding

This study was performed within a State contract (Subject no. 45.8 “Chemistry of Functional Materials,” registration no. 0094-2016-0012) and supported by the Russian Academy of Sciences (program no. 35 of the Presidium of the Russian Academy of Sciences “Scientific Fundamentals for the Formation of New Functional Materials”).

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Authors and Affiliations

  1. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 603950, Nizhny Novgorod, Russia

    V. V. Semenov, N. V. Zolotareva & O. V. Novikova

  2. Lobachevsky State University of Nizhny Novgorod, 603950, Nizhny Novgorod, Russia

    E. N. Razov & A. V. Kruglov

  3. Institute for Mechanical Engineering Problems, Russian Academy of Sciences, 603024, Nizhny Novgorod, Russia

    E. N. Razov

  4. Physical‒Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603950, Nizhny Novgorod, Russia

    V. E. Kotomina

Authors
  1. V. V. Semenov
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  2. N. V. Zolotareva
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  3. O. V. Novikova
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  4. E. N. Razov
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  5. A. V. Kruglov
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  6. V. E. Kotomina
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Correspondence to V. V. Semenov.

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Translated by Yu. Sin’kov

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Semenov, V.V., Zolotareva, N.V., Novikova, O.V. et al. Whiskers of Iron(II) (1-Hydroxyethylidene)diphosphonate and Its Complex with Morpholine. Crystallogr. Rep. 64, 898–904 (2019). https://doi.org/10.1134/S1063774519060178

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  • DOI: https://doi.org/10.1134/S1063774519060178

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