About the hybrid Fourier syntheses: a probabilistic approach

Abstract

The difference electron density has recently been revisited via the method ofjoint probability distribution functions [Burla et al. (2010). Acta Cryst. A66, 347-361]. New Fourier coefficients were devised which were the basis of a new abinitio method for the solution of the phase problem (i.e. VLD, vive la difference).In this paper we study the joint probability distribution functions P(F, Fp, Fq),where Fq is the structure factor corresponding to the ideal hybrid Fouriersynthesis rhoq =  trho -wrhop and t and w are any pair of real numbers. New Fouriercoefficients for the calculations of any hybrid synthesis are obtained, and theproperties of the corresponding electron-density maps are discussed. The firstapplications show the correctness of our theoretical approach and suggestpossible applications in phasing procedures.


Tutti gli autori

  • Burla M.C. ; Carrozzini B. ; Cascarano G.L. ; Giacovazzo C. ; Polidori G.

Titolo volume/Rivista

Acta crystallographica. Section A, Foundations of crystallography


Anno di pubblicazione

2011

ISSN

0108-7673

ISBN

Non Disponibile


Numero di citazioni Wos

Nessuna citazione

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Settori ERC

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Codici ASJC

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