Accurate unrestrained DDM refinement of crystal structures from highly distorted and low-resolution powder diffraction data.
Solovyov, Leonid A.; Acta crystallographica Section B, Structural science, crystal engineering and materials 72 (2016) 738–743; doi:10.1107/S2052520616011690

data_2311695
_publ_section_title
;
 Accurate unrestrained DDM refinement of crystal structures from highly
 distorted and low-resolution powder diffraction data.
;
_journal_coeditor_code           RA5013
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_journal_name_full
'Acta crystallographica Section B, Structural science, crystal engineering and materials'
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_journal_page_last               743
_journal_paper_doi               10.1107/S2052520616011690
_journal_volume                  72
_journal_year                    2016
_chemical_formula_moiety         'C4 H4 O4, C4 H2 O4, 2(C5 H7 N2)'
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_chemical_name_systematic
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Bis(2-aminopyridinium) fumarate--fumaric acid (1/1)
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;
X-Ray Form Factor, C Attenuation and Scattering Tables (version 2.1).
NIST, Gaithersburg, MD.
;
_cell_angle_alpha                94.2993(6)
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_computing_structure_refinement
;
Powder diffraction, Derivative Difference Method (DDM)
L.A. Solovyov, J. Appl. Cryst. 37 (2004) 743
;
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_pd_spec_mounting                'borosilicate capillary'
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_cod_database_code               2311695