Semiconducting Tin and Lead Iodide Perovskites with Organic Cations: Phase Transitions, High Mobilities, and Near-Infrared Photoluminescent Properties
Constantinos C. Stoumpos; Christos D. Malliakas; Mercouri G. Kanatzidis; Inorganic Chemistry 52 (2013) 9019–9038; doi:10.1021/ic401215x

data_4335642
_publ_contact_author_address
;
   Department of Chemistry
     2145 Sheridan Road
   Northwestern University
   Evanston, IL 60208-3113
           USA
;
_publ_contact_author_email       m-kanatzidis@northwestern.edu
_publ_contact_author_fax         847-491-5937
_publ_contact_author_name        'Mercouri G. Kanatzidis'
_publ_contact_author_phone       847-467-1541
_publ_section_title
;
 Semiconducting Tin and Lead Iodide Perovskites with Organic Cations:
 Phase Transitions, High Mobilities, and Near-Infrared Photoluminescent
 Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9019
_journal_page_last               9038
_journal_paper_doi               10.1021/ic401215x
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         Cs2SnI6
_chemical_formula_sum            'Cs2 I6 Sn'
_chemical_formula_weight         1145.91
_chemical_name_common            Dicesium_Tin_Hexaiodide
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6276(9)
_cell_length_b                   11.6276(9)
_cell_length_c                   11.6276(9)
_cell_measurement_reflns_used    3242
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.49
_cell_measurement_theta_min      3.04
_cell_volume                     1572.1(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '0.5 mm diameter, monocapillary'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0595
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3871
_diffrn_reflns_theta_full        28.96
_diffrn_reflns_theta_max         28.96
_diffrn_reflns_theta_min         3.03
_diffrn_source
'sealed x-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           30
_diffrn_source_power             1.20
_diffrn_source_voltage           40
_exptl_absorpt_coefficient_mu    17.925
_exptl_absorpt_correction_T_max  0.3053
_exptl_absorpt_correction_T_min  0.1726
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    4.842
_exptl_crystal_description       'truncated octahedron'
_exptl_crystal_F_000             1912
_exptl_crystal_size_max          0.071
_exptl_crystal_size_mid          0.053
_exptl_crystal_size_min          0.044
_refine_diff_density_max         1.005
_refine_diff_density_min         -1.241
_refine_diff_density_rms         0.279
_refine_ls_extinction_coef       0.00247(12)
_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   1.483
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     7
_refine_ls_number_reflns         143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.483
_refine_ls_R_factor_all          0.0322
_refine_ls_R_factor_gt           0.0317
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0698
_reflns_number_gt                141
_reflns_number_total             143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic401215x_si_004_4.cif
_cod_data_source_block           6b_293K
_cod_database_code               4335642