Synthesis, structure and characterization of two new antimony oxides?LaSb3O9 and LaSb5O12: Formation of LaSb5O12 from the reaction of LaSb3O9 with Sb2O3Electronic supplementary information (ESI) available: Powder X-ray diffraction patterns (calculated and experimental). See http://www.rsc.org/suppdata/jm/b3/b307496j/
Ok, Kang Min; Gittens, Alex; Zhang, Lei; Halasyamani, P. Shiv; Journal of Materials Chemistry 14 (2004) 116–; doi:10.1039/b307496j

data_7204725
_publ_section_title
;
 Synthesis, structure and characterization of two new antimony
 oxides?LaSb3O9 and LaSb5O12: Formation of LaSb5O12 from the reaction
 of LaSb3O9 with Sb2O3Electronic supplementary information (ESI)
 available: Powder X-ray diffraction patterns (calculated and
 experimental). See http://www.rsc.org/suppdata/jm/b3/b307496j/
;
_journal_issue                   1
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              116
_journal_paper_doi               10.1039/b307496j
_journal_volume                  14
_journal_year                    2004
_chemical_formula_sum            'La O12 Sb5'
_chemical_formula_weight         939.66
_chemical_name_systematic
;
Lanthanum antimony oxide
;
_space_group_IT_number           166
_symmetry_space_group_name_Hall  '-R 3 2"'
_symmetry_space_group_name_H-M   'R -3 m :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   7.2707(7)
_cell_length_b                   7.2707(7)
_cell_length_c                   16.4673(12)
_cell_measurement_temperature    293(2)
_cell_volume                     753.89(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0472
_diffrn_reflns_av_unetI/netI     0.0218
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            1549
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         3.46
_exptl_absorpt_coefficient_mu    17.466
_exptl_crystal_density_diffrn    6.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1224
_refine_diff_density_max         0.669
_refine_diff_density_min         -2.277
_refine_diff_density_rms         0.304
_refine_ls_extinction_coef       0.0158(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.481
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     23
_refine_ls_number_reflns         251
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.481
_refine_ls_R_factor_all          0.023
_refine_ls_R_factor_gt           0.023
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0183P)^2^+20.2026P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0596
_refine_ls_wR_factor_ref         0.0596
_reflns_number_gt                251
_reflns_number_total             251
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b307496j.txt
_cod_data_source_block           compound_2
_cod_database_code               7204725