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_4335631
_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         HC(NH2)2PbI3
_chemical_formula_sum            'C H5 I3 N2 Pb'
_chemical_formula_weight         632.96
_chemical_name_common            alpha-Formamidinium_Lead_Iodide
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           156
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 3 -2"'
_symmetry_space_group_name_H-M   'P 3 m 1'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   8.9817(13)
_cell_length_b                   8.9817(13)
_cell_length_c                   11.006(2)
_cell_measurement_reflns_used    2439
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.40
_cell_measurement_theta_min      3.21
_cell_volume                     768.9(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 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_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  0.0459
_diffrn_reflns_av_sigmaI/netI    0.0388
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7475
_diffrn_reflns_theta_full        29.19
_diffrn_reflns_theta_max         29.19
_diffrn_reflns_theta_min         1.85
_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    25.417
_exptl_absorpt_correction_T_max  0.4361
_exptl_absorpt_correction_T_min  0.3041
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    4.101
_exptl_crystal_description       'hexagonal plate'
_exptl_crystal_F_000             798
_exptl_crystal_size_max          0.041
_exptl_crystal_size_mid          0.026
_exptl_crystal_size_min          0.021
_refine_diff_density_max         1.104
_refine_diff_density_min         -1.727
_refine_diff_density_rms         0.172
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.20(15)
_refine_ls_extinction_coef       SHELXL
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.908
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     44
_refine_ls_number_reflns         1645
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      0.915
_refine_ls_R_factor_all          0.0892
_refine_ls_R_factor_gt           0.0398
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0350P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0666
_refine_ls_wR_factor_ref         0.0807
_reflns_number_gt                851
_reflns_number_total             1645
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic401215x_si_002_1.cif
_cod_data_source_block           4a_293K
_cod_database_code               4335631