Complex 5d Magnetism in a Novel S= 1/2 Trimer System, the 12L Hexagonal Perovskite Ba4BiIr3O12
Wojciech Miiller; Matthew T. Dunstan; Zixin Huang; Zakiah Mohamed; Brendan J. Kennedy; Maxim Avdeev; Chris D. Ling; Inorganic Chemistry 52 (2013) 12461–12467; doi:10.1021/ic4014619

data_4336558
_publ_section_title
;
 Complex 5d Magnetism in a Novel S= 1/2 Trimer System, the 12L Hexagonal
 Perovskite Ba4BiIr3O12
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12461
_journal_page_last               12467
_journal_paper_doi               10.1021/ic4014619
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'Ba4 Bi Ir3 O12'
_chemical_formula_weight         1526.95
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_audit_author_name               'Chris Ling'
_audit_creation_date             2013-03-01T13:57
_audit_creation_method           'from EXP file using GSAS2CIF'
_audit_update_record
' 2013-03-01T13:57  Initial CIF as created by GSAS2CIF'
_cell_angle_alpha                90.0
_cell_angle_beta                 93.6407(11)
_cell_angle_gamma                90.0
_cell_formula_units_Z            6
_cell_length_a                   10.23625(14)
_cell_length_b                   5.90149(7)
_cell_length_c                   29.9970(4)
_cell_measurement_temperature    298
_cell_volume                     1808.44(4)
_computing_structure_refinement  GSAS
_diffrn_ambient_temperature      298
_diffrn_radiation_probe          neutron
_diffrn_source_type              neutron
_exptl_absorpt_correction_T_max  0.34047
_exptl_absorpt_correction_T_min  0.09224
_exptl_absorpt_process_details
;   GSAS Absorption/surface roughness correction: function number 0
 Debye-Scherrer absorption correction
Term (= MU.r/wave) =     0.64268    
Correction is refined.
;
_pd_calc_method                  'Rietveld Refinement'
_pd_instr_location               ' HRPD, ISIS'
_pd_meas_2theta_fixed            168.33
_pd_meas_number_of_points        4610
_pd_meas_scan_method             tof
_pd_phase_name
'from C:/Documents and Settings/hrpd.ISIS/Desktop/Chris Ling/Ba4BiI'
_pd_proc_info_datetime           2013-03-01T13:57:23
_pd_proc_ls_background_function
;   GSAS Background function number 1 with  6 terms.
 Shifted Chebyshev function of 1st kind
      1:   0.328278     2:   7.622970E-02 3:  -6.134860E-03 4:  -3.140120E-02
      5:  -2.926570E-02 6:  -1.623170E-02
;
_pd_proc_ls_peak_cutoff          0.00100
_pd_proc_ls_profile_function
;
 TOF Profile function number 3 with  21 terms
 Profile coefficients for exponential pseudovoigt
  convolution Von Dreele, 1990 (unpublished)
 Peak tails are ignored  where the intensity is below 0.0010 times the peak
   Aniso. broadening axis   0.0   0.0   1.0
;
_pd_proc_ls_prof_R_factor        0.0695
_pd_proc_ls_prof_wR_expected     0.0507
_pd_proc_ls_prof_wR_factor       0.0698
_pd_proc_number_of_points        4610
_refine_ls_goodness_of_fit_all   1.39
_refine_ls_matrix_type           full
_refine_ls_number_parameters     70
_refine_ls_number_restraints     0
_refine_ls_R_Fsqd_factor         0.08636
_refine_ls_shift/su_max          0.51
_refine_ls_shift/su_mean         0.12
_reflns_d_resolution_high        0.663
_reflns_d_resolution_low         2.558
_reflns_limit_h_max              15
_reflns_limit_h_min              0
_reflns_limit_k_max              9
_reflns_limit_k_min              0
_reflns_limit_l_max              46
_reflns_limit_l_min              -46
_reflns_number_total             3453
_cod_data_source_file            ic4014619_si_001.cif
_cod_data_source_block           BA4BIIR3O12_publ
_cod_original_cell_volume        1808.436(26)
_cod_database_code               4336558
_cod_database_fobs_code          4336558
_gsas_exptl_extinct_corr_t_min   1.00000
_gsas_exptl_extinct_corr_t_max   1.00000