Abstract
The procedure of using the internal standard in refining unit cell parameters of single crystals is described. The study is carried out on single crystal Bruker diffractometers equipped with three- and four-circle goniometers. The procedure is based on gluing the reference crystal to the studied one and the further determination of the orientation of each of them relative to goniometer axes. It is followed by the calculation of angles to bring certain reflections to the equatorial plane and the record of their profiles by ω-scanning. It is shown that when the reflections with 2θ ≈ 80° are used, the collection and processing of experimental frames allows the measurement of interplanar distances with a relative error Δd/d ≈ 1·10–4.
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The work was supported by the Ministry of Science and Higher Education of the Russian Federation (project No. 121031700313-8).
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Russian Text © The Author(s), 2022, published in Zhurnal Strukturnoi Khimii, 2022, Vol. 63, No. 8, 95631.https://doi.org/10.26902/JSC_id95631
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Serebrennikova, P.S., Gromilov, S.A. THE USE OF THE INTERNAL STANDARD IN REFINING THE UNIT CELL PARAMETERS OF SINGLE CRYSTALS. J Struct Chem 63, 1231–1241 (2022). https://doi.org/10.1134/S0022476622080042
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DOI: https://doi.org/10.1134/S0022476622080042