Influence of the La/M Network on Magnetic Properties of Mn4Tetrahedra in Intermetallic Compounds La21−δMn8M7C12(M = Ge, Sn, Sb, Te, Bi)
Zaikina, Julia V.; Schellenberg, Inga; Benbow, Evan M.; Pöttgen, Rainer; Latturner, Susan E.; Chemistry of Materials 23 (2011) 1768–; doi:10.1021/cm1028595

data_4000718
_publ_section_title
;
 Influence of the La/M Network on Magnetic Properties of Mn4Tetrahedra in
 Intermetallic Compounds La21&#x2212;\dMn8M7C12(M = Ge, Sn, Sb, Te, Bi)
;
_journal_issue                   7
_journal_name_full               'Chemistry of Materials'
_journal_page_first              1768
_journal_paper_doi               10.1021/cm1028595
_journal_volume                  23
_journal_year                    2011
_chemical_formula_moiety         'La21 Mn8 Sn7 C12'
_chemical_formula_sum            'C12 La21 Mn8 Sn7'
_chemical_formula_weight         4331.58
_chemical_name_common            'lanthanum-tin-manganese carbide'
_space_group_IT_number           225
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-F 4 2 3'
_symmetry_space_group_name_H-M   'F m -3 m'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-02-22
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.7435(2)
_cell_length_b                   16.7435(2)
_cell_length_c                   16.7435(2)
_cell_measurement_reflns_used    1365
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      54.856
_cell_measurement_theta_min      11.973
_cell_volume                     4693.95(10)
_computing_cell_refinement       'Saint (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'Saint (Bruker, 2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker APEX-II CCD area-detector'
_diffrn_measurement_method       '\f and  \w scans'
_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  0.0599
_diffrn_reflns_av_sigmaI/netI    0.0195
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            8892
_diffrn_reflns_theta_full        29.91
_diffrn_reflns_theta_max         29.91
_diffrn_reflns_theta_min         4.22
_exptl_absorpt_coefficient_mu    24.326
_exptl_absorpt_correction_T_max  0.7930
_exptl_absorpt_correction_T_min  0.2464
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            bronze
_exptl_crystal_density_diffrn    6.129
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cuboid
_exptl_crystal_F_000             7276
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.01
_refine_diff_density_max         2.644
_refine_diff_density_min         -1.028
_refine_diff_density_rms         0.214
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     21
_refine_ls_number_reflns         391
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0216
_refine_ls_R_factor_gt           0.0180
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0061P)^2^+169.5289P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0369
_refine_ls_wR_factor_ref         0.0379
_reflns_number_gt                353
_reflns_number_total             391
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm1028595_si_002.cif
_cod_data_source_block           LA21Mn8Sn7C12_CSD_422157
_cod_database_code               4000718