Calibration of the goniometer equatorial circumference and the refinement of unit cell parameters of [Pt(NH3)4]MO4 (М = Cr, Mo, W)

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Abstract

A calibration procedure for the three-circle goniometer/2D detector system is described. It is based on the construction of calibration graphs Δ2θ(2θ) from the results of processing Kα1 and Kα2 components of external reference reflections successively brought to the equatorial circumference. A Si single crystal is used as the reference. Random errors are estimated. Results of the refinement of unit cell parameters of [Pt(NH3)4]MO4 (М = Cr, Mo, W) are compared by several procedures, including the obtained calibration. The relative error of the performed measurements does not exceed 2·10–4.

Translated title of the contributionКалибровка экваториальной окружности гониометра и уточнение параметров элементарных ячеек [Pt(NH3)4]MO4 (М = Cr, Mo, W)
Original languageEnglish
Pages (from-to)1820-1830
Number of pages11
JournalJournal of Structural Chemistry
Volume63
Issue number11
DOIs
Publication statusPublished - Nov 2022

Keywords

  • accuracy
  • single crystal X-ray diffraction
  • unit cell parameters

OECD FOS+WOS

  • 2.05 MATERIALS ENGINEERING
  • 1.04 CHEMICAL SCIENCES

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