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The phase problem and the Patterson function

Dennis Sherwood and Jon Cooper

in Crystals, X-rays and Proteins: Comprehensive Protein Crystallography

Published in print:
2010
Published Online:
January 2011
ISBN:
9780199559046
eISBN:
9780191595028
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199559046.003.0012
Subject:
Physics, Crystallography: Physics

This chapter demonstrates that the experimental observable in diffraction analysis is the intensity of each diffraction spot which provides only the amplitude of the corresponding structure factor ... More


Patterson syntheses for structure determination

William Clegg

in Crystal Structure Analysis: Principles and Practice

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199219469
eISBN:
9780191722516
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199219469.003.0009
Subject:
Physics, Crystallography: Physics

The Patterson synthesis is a reverse Fourier transform in which the amplitudes are replaced by their squares and the phases are omitted. Peaks in a Patterson map represent vectors between pairs of ... More


Patterson methods and direct space properties

Carmelo Giacovazzo

in Phasing in Crystallography: A Modern Perspective

Published in print:
2013
Published Online:
November 2020
ISBN:
9780199686995
eISBN:
9780191918377
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199686995.003.0015
Subject:
Chemistry, Crystallography: Chemistry

According to the basic principles of structural crystallography, stated in Section 1.6: (i) it is logically possible to recover the structure from experimental ... More


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