data_2009657
_publ_section_title
;
 X-ray Rietveld structure refinement of Ca, Sr and Ba
 meta-antimonates
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              476
_journal_page_last               482
_journal_paper_doi               10.1107/S0108270193008480
_journal_volume                  50
_journal_year                    1994
_chemical_formula_sum            'O6 Sb2 Sr'
_chemical_formula_weight         427.12
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3 2'
_symmetry_space_group_name_H-M   'P -3 1 m'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90.
_cell_angle_beta                 90.
_cell_angle_gamma                120.
_cell_formula_units_Z            1
_cell_length_a                   5.2724(4)
_cell_length_b                   5.2724(4)
_cell_length_c                   5.3659(4)
_cell_measurement_temperature    294
_cell_measurement_theta_max      67.5
_cell_measurement_theta_min      7.5
_cell_volume                     129.178(17)
_diffrn_measurement_device       'Siemens θ-2θ'
_diffrn_radiation_type           CuK\a~1,2~
_diffrn_radiation_wavelength     '1.54056, 1.54439'
_diffrn_reflns_theta_max         67.5
_exptl_absorpt_coefficient_mu    100
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    5.49
_exptl_crystal_description       powder
_refine_ls_goodness_of_fit_obs   '1.37 (S~wp~)'
_refine_ls_number_parameters     '19 (4 background)'
_refine_ls_R_factor_obs          '0.0453 (R~B~)'
_refine_ls_shift/esd_max         0.3
_refine_ls_wR_factor_obs         '0.211 (R~wp~)'
_[local]_cod_data_source_file    st1071.cif
_[local]_cod_data_source_block   st1071_structure_2_of_2
_[local]_cod_chemical_formula_sum_orig 'Sr1 Sb2O6'
_cod_original_cell_volume        129.18(2)
_cod_database_code               2009657
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Sr .0 .0 .0
Sb 0.333333333333333 0.666666666666667 0.5
O .3798(14) .0 .3035(11)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Sr O 2.581(7)
Sb O 1.957(7)
O O 2.460(12)
O O 2.855(7)
O O 2.908(12)
