Designing Indirect-Direct Bandgap Transitions in Double Perovskites
Tran, T. Thao; Panella, Jessica R.; Chamorro, Juan R.; Morey, Jennifer R.; McQueen, Tyrel M.; Mater. Horiz.  (2017) –; doi:10.1039/C7MH00239D

data_1546185
_publ_section_title
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 Designing Indirect-Direct Bandgap Transitions in Double Perovskites
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_journal_name_full               'Mater. Horiz.'
_journal_paper_doi               10.1039/C7MH00239D
_journal_year                    2017
_chemical_formula_sum            'Ag Cl6 Cs2 Sb'
_chemical_formula_weight         708.14
_chemical_name_systematic
;
 ?
;
_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_method           SHELXL-97
_audit_update_record
;
2017-04-18 deposited with the CCDC.
2017-06-01 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.664(10)
_cell_length_b                   10.664(10)
_cell_length_c                   10.664(10)
_cell_measurement_reflns_used    787
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      27.11
_cell_measurement_theta_min      3.31
_cell_volume                     1213(2)
_computing_cell_refinement       'SAINT v7.60A (Bruker-Nonius, 2013)'
_computing_data_collection       'APEX2 v2013.4-1 (Bruker-Nonius, 2013)'
_computing_data_reduction        'SAINT v7.60A (Bruker-Nonius, 2013)'
_computing_structure_refinement  'SHELXS v6.12 (G.M. Sheldrick, 1997)'
_computing_structure_solution    'SHELXS v6.12 (G.M. Sheldrick, 1997)'
_diffrn_ambient_temperature      213(2)
_diffrn_detector_area_resol_mean 4K
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX II'
_diffrn_measurement_method       CCD
_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  0.0222
_diffrn_reflns_av_sigmaI/netI    0.0143
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            787
_diffrn_reflns_theta_full        27.11
_diffrn_reflns_theta_max         27.11
_diffrn_reflns_theta_min         3.31
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    11.018
_exptl_absorpt_correction_T_max  0.7354
_exptl_absorpt_correction_T_min  0.6236
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SAINT v7.60A'
_exptl_crystal_colour            Dark-green
_exptl_crystal_density_diffrn    3.878
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Cubic
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.053
_refine_ls_extinction_coef       0.00122(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   1.017
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     8
_refine_ls_number_reflns         98
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0101
_refine_ls_R_factor_gt           0.0088
_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^)+(0.0100P)^2^+1.3000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0252
_refine_ls_wR_factor_ref         0.0258
_reflns_number_gt                88
_reflns_number_total             98
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7mh00239d2.cif
_cod_data_source_block           Cs2AgSbCl6
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Cubic' changed to 'cubic' according
to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        1212.9(19)
_cod_original_sg_symbol_H-M      Fm-3m
_cod_database_code               1546185