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/lp/wiley/experimental-determination-of-spin-dependent-electron-density-by-joint-nt6JLvaPqH
- Publisher
- Wiley
- Copyright
- Copyright © 2012 Wiley Subscription Services, Inc., A Wiley Company
- ISSN
- 0108-7673
- eISSN
- 1600-5724
- DOI
- 10.1107/S0108767312031996
- pmid
- 23075610
- Publisher site
- See Article on Publisher Site
Abstract
New crystallographic tools were developed to access a more precise description of the spin‐dependent electron density of magnetic crystals. The method combines experimental information coming from high‐resolution X‐ray diffraction (XRD) and polarized neutron diffraction (PND) in a unified model. A new algorithm that allows for a simultaneous refinement of the charge‐ and spin‐density parameters against XRD and PND data is described. The resulting software MOLLYNX is based on the well known Hansen–Coppens multipolar model, and makes it possible to differentiate the electron spins. This algorithm is validated and demonstrated with a molecular crystal formed by a bimetallic chain, MnCu(pba)(H2O)3·2H2O, for which XRD and PND data are available. The joint refinement provides a more detailed description of the spin density than the refinement from PND data alone.
Journal
Acta Crystallographica Section A Foundations of Crystallography – Wiley
Published: Jan 1, 2012
Keywords: ; ; ;