Tilting structures ininverseperovskites,M3TtO (M= Ca, Sr, Ba, Eu;Tt= Si, Ge, Sn, Pb)
Nuss, Jürgen; Mühle, Claus; Hayama, Kyouhei; Abdolazimi, Vahideh; Takagi, Hidenori; Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 71 (2015) 300–312; doi:10.1107/S2052520615006150

data_2023391
_publ_section_title
;
 Tilting structures ininverseperovskites,M3TtO (M= Ca, Sr, Ba, Eu;Tt= Si,
 Ge, Sn, Pb)
;
_journal_issue                   3
_journal_name_full
'Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials'
_journal_page_first              300
_journal_page_last               312
_journal_paper_doi               10.1107/S2052520615006150
_journal_volume                  71
_journal_year                    2015
_chemical_formula_moiety         'Eu3 Si O'
_chemical_formula_sum            'Eu3 O Si'
_chemical_formula_weight         499.97
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2c 2ab'
_space_group_name_H-M_alt        'P b n m'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b n m'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.0138(7)
_cell_length_b                   7.0383(7)
_cell_length_c                   9.9501(10)
_cell_measurement_reflns_used    8655
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.36
_cell_measurement_theta_min      2.89
_cell_volume                     491.19(9)
_computing_cell_refinement       'Bruker Suite (Bruker AXS, 2013)'
_computing_data_collection       'Bruker Suite (Bruker AXS, 2013)'
_computing_data_reduction        'Bruker Suite (Bruker AXS, 2013)'
_computing_structure_refinement  'SHELXL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SMART APEX II, Bruker AXS'
_diffrn_measurement_method       \wscan
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.078
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            13755
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         36.394
_diffrn_reflns_theta_min         3.554
_exptl_absorpt_coefficient_mu    37.902
_exptl_absorpt_correction_T_max  0.166
_exptl_absorpt_correction_T_min  0.031
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (2012a) TWINABS - Bruker AXS area detector scaling and
absorption for twinned crystals, Version 2012/1,
University of G\"ottingen. Germany.
;
_exptl_crystal_colour            grey
_exptl_crystal_density_diffrn    6.761
_exptl_crystal_description       block
_exptl_crystal_F_000             844
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.070
_refine_diff_density_max         6.540
_refine_diff_density_min         -4.345
_refine_ls_extinction_coef       0.0096(10)
_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   1.128
_refine_ls_matrix_type           full
_refine_ls_number_parameters     30
_refine_ls_number_reflns         3442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.128
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0491
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0818P)^2^+15.1882P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1390
_refine_ls_wR_factor_ref         0.1396
_reflns_number_gt                3386
_reflns_number_total             3442
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            dk5032sup1.cif
_cod_data_source_block           Eu3SiO_100K
_cod_depositor_comments          'Adding Fobs data.'
_cod_database_code               2023391
_shelx_estimated_absorpt_t_min   0.033
_shelx_estimated_absorpt_t_max   0.177
_shelx_hkl_checksum              64714
_shelx_res_checksum              56971
_shelxl_version_number           .2013
_cod_database_fobs_code 2023391