X-ray crystallography in practice

Tür:

Kitap Bölümü

Yazar:

William Clegg

Yayın yılı:

2015

Yayıncı:

Oxford University Press

Dil:

en

This chapter highlights the various steps of a typical crystal structure determination, and describes a number of commonpotential problems together with ways of dealing with them. It shows an outline of crystal structure determination in a simplified form known as a schematic flowchart. It also analyzes the intensities of X-rays diffracted by a crystal that depend on the crystal size, unit cell volume, and types and numbers of atoms in the unit cell. The chapter talks about diffracted intensities that are directly proportional to the crystal volume and the absorption of X-rays by crystals, which increases exponentially with crystal dimensions. It explains how the amount of absorption depends on the X-ray wavelength and on the chemical composition.

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