Crystal chemistry of transition metal diarsenates <i>M</i>~2~As~2~O~7~ (<i>M</i> = Mn, Co, Ni, Zn): variants of the thortveitite structure
Weil, Matthias; Stöger, Berthold; Acta Crystallographica Section B 66 (2010) 603–614; doi:10.1107/S0108768110040802

data_2104874
_publ_section_title
;
 Crystal chemistry of transition metal diarsenates <i>M</i>~2~As~2~O~7~
 (<i>M</i> = Mn, Co, Ni, Zn): variants of the thortveitite structure
;
_journal_coeditor_code           SN5100
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              603
_journal_page_last               614
_journal_paper_doi               10.1107/S0108768110040802
_journal_volume                  66
_journal_year                    2010
_chemical_formula_structural     'Zn2 As2 O7'
_chemical_formula_sum            'As2 O7 Zn2'
_chemical_formula_weight         392.6
_chemical_name_systematic
;
Dizinc(II) diarsenate(V)
;
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_cell_angle_beta                 106.5640(7)
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_cell_length_c                   9.61800(10)
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_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2004)'
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_computing_molecular_graphics    'ATOMS (Dowty, 2006)'
_computing_publication_material
'Jana2006 (Petricek, Dusek & Palatinus, 2006)'
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'Jana2006 (Petricek, Dusek & Palatinus, 2006)'
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_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device       'four-cycle diffractometer'
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_diffrn_radiation_type           'Mo K\a'
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_refine_ls_extinction_coef       191E1(5)
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'B-C type 1 Lorentzian isotropic (Becker & Coppens, 1974)'
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