The iron phosphate NaZnFe~2~(PO~4~)~3~
Hidouri, Mourad; Lajmi, Besma; Ben Amara, Mongi; Acta Crystallographica Section C 58 (2002) i147–i148; doi:10.1107/S010827010201541X

data_2013035
_publ_section_title
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 The iron phosphate NaZnFe~2~(PO~4~)~3~
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_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              i147
_journal_page_last               i148
_journal_paper_doi               10.1107/S010827010201541X
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          'Na Zn Fe2 (P O4)3'
_chemical_formula_structural     'Na1 Zn1 Fe2 P3 O12'
_chemical_formula_sum            'Fe2 Na O12 P3 Zn'
_chemical_formula_weight         484.97
_chemical_name_systematic
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Sodium zinc diiron(III) triphosphate
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.1240(10)
_cell_length_b                   12.213(5)
_cell_length_c                   15.072(9)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      10
_cell_volume                     943.2(7)
_computing_cell_refinement       'CAD-4 EXPRESS'
_computing_data_collection       'CAD-4 EXPRESS (Enraf-Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1998)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.020
_diffrn_reflns_av_sigmaI/netI    0.032
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -1
_diffrn_reflns_number            1314
_diffrn_reflns_theta_full        26.96
_diffrn_reflns_theta_max         26.96
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    6.182
_exptl_absorpt_correction_T_max  0.690
_exptl_absorpt_correction_T_min  0.529
_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    3.415
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.64
_refine_diff_density_min         -1.05
_refine_ls_abs_structure_details 'Flack (1983) with 70 Friedel pairs'
_refine_ls_abs_structure_Flack   0.02(3)
_refine_ls_extinction_coef       0.0038(8)
_refine_ls_extinction_expression Fc^*^=3DkFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   1.241
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         1293
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.241
_refine_ls_R_factor_all          0.035
_refine_ls_R_factor_gt           0.029
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0392P)^2^+0.4314P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.076
_refine_ls_wR_factor_ref         0.078
_reflns_number_gt                1184
_reflns_number_total             1293
_reflns_threshold_expression     I>2\si(I)
_cod_data_source_file            iz1022.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               2013035
_cod_database_fobs_code          2013035