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Examining a five-dimensional incommensurate composite crystal structure by X-ray diffraction

AppNote SMX006: Examining a five-dimensional incommensurate composite crystal structure by X-ray diffraction

Background

Modulated structures are a real test of a single crystal diffractometer. The presence of strong/intense Bragg reflections alongside weaker satellite peaks mean that, for successful characterization, it is compulsory to have the following:

  • A sensitive low noise detector with high dynamic range such as a Rigaku Oxford Diffraction CCD or HPAD to get accurate intensity measurements on even the weakest satellite peaks.
  • A powerful indexing and data reduction software package like CrysAlisPro to easily index the cell and multidimensional, multi-order satellite peaks as well as provide good results from data processing for solution and refinement in programs such as Jana2006.

Rigaku Oxford Diffraction’s sealed tube systems are an excellent match for conducting research on these materials

Small molecule crystallography products from Rigaku

A benchtop single crystal X-ray diffractometer with the latest technology HPC X-ray detector, ideal for self-service crystallography.

An upgradeable single crystal X-ray diffractometer for structural analysis of small molecule samples

Fast, flexible single crystal X-ray diffractometer with the latest generation sources and HPC X-ray detectors, perfect for any crystallography lab

Single crystal X-ray diffractometer with high-flux microfocus rotating anode X-ray generator

Versatile and high-flux dual-wavelength (DW) X-ray diffractometer with HPC X-ray detector for multipurpose diffraction experiments

Single crystal X-ray diffractometer with custom enclosure and flexibility for easy integration of accessory components

Automated crystal transport, orientation and retrieval robot

User-inspired data collection and data processing software for small molecule and protein crystallography

Single wavelength Confocal Max-Flux (CMF) optics for single crystal diffraction

Low noise, sensitive, air-cooled X-ray detector for superior X-ray diffraction data quality

Compact, highly sensitive X-ray detector for single crystal applications

A unique curved single crystal X-ray diffraction detector

High resolution X-ray detectors for X-ray diffractometers from DECTRIS