Enantiomorphic Perovskite Ferroelectrics with Circularly Polarized Luminescence.
Gao, Ji-Xing; Zhang, Wan-Ying; Wu, Zheng-Guang; Zheng, You-Xuan; Fu, Da-Wei; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.9b13291

data_4134271
_publ_section_title
;
 Enantiomorphic Perovskite Ferroelectrics with Circularly Polarized
 Luminescence.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.9b13291
_journal_year                    2020
_chemical_absolute_configuration rm
_chemical_formula_moiety         'Br3 Mn, C4 H9 F N'
_chemical_formula_sum            'C4 H9 Br3 F Mn N'
_chemical_formula_weight         384.76
_space_group_crystal_system      orthorhombic
_space_group_IT_number           20
_space_group_name_Hall           'C 2c 2'
_space_group_name_H-M_alt        'C 2 2 21'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.8873(10)
_cell_length_b                   18.012(2)
_cell_length_c                   6.7513(8)
_cell_measurement_reflns_used    1514
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.4320
_cell_measurement_theta_min      2.8140
_cell_volume                     959.1(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'DIAMOND (Brandenburg & Putz, 2005)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix'
_diffrn_measurement_method       'four-circle diffractometer'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0328
_diffrn_reflns_av_unetI/netI     0.0322
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            1995
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.199
_diffrn_reflns_theta_max         25.198
_diffrn_reflns_theta_min         2.819
_diffrn_source                   'Rotating-anode X-ray tube'
_exptl_absorpt_coefficient_mu    13.822
_exptl_absorpt_correction_T_max  0.077
_exptl_absorpt_correction_T_min  0.063
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    2.665
_exptl_crystal_description       Prism
_exptl_crystal_F_000             716
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.981
_refine_diff_density_min         -0.884
_refine_diff_density_rms         0.198
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.16(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     74
_refine_ls_number_reflns         843
_refine_ls_number_restraints     55
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0752P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1056
_refine_ls_wR_factor_ref         0.1080
_reflns_Friedel_coverage         0.669
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                730
_reflns_number_total             843
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b13291_si_003.cif
_cod_data_source_block           C
_cod_original_cell_volume        959.2(2)
_cod_database_code               4134271
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.159
_shelx_estimated_absorpt_t_max   0.169
_shelx_res_checksum              90680
_shelx_hkl_checksum              28582