Ligand Structure Directed Dimensionality Reduction (2D →1D) in Lead Bromide Perovskite
Bakthavatsalam, Rangarajan; Haris, Muhammed P. U.; Shaikh, Samir R.; Lohar, Amruta; Mohanty, Ashutosh; Moghe, Dhanashree; Sharma, Shivani; Biswas, Chinmoy; Raavi, Sai Santhosh Kumar; Gonnade, Rajesh G.; Kundu, Janardan; The Journal of Physical Chemistry C  (2020) –; doi:10.1021/acs.jpcc.9b11033

data_1557023
_publ_section_title
;
 Ligand Structure Directed Dimensionality Reduction (2D \\rightarrow 1D)
 in Lead Bromide Perovskite
;
_journal_name_full               'The Journal of Physical Chemistry C'
_journal_paper_doi               10.1021/acs.jpcc.9b11033
_journal_year                    2020
_chemical_formula_moiety         'Pb Br4, C3 H11 N3 S'
_chemical_formula_sum            'C3 H11 Br4 N3 Pb S'
_chemical_formula_weight         648.04
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90.406(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.3113(5)
_cell_length_b                   8.5838(4)
_cell_length_c                   12.0368(5)
_cell_measurement_reflns_used    6667
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.34
_cell_measurement_theta_min      3.06
_cell_volume                     1375.31(10)
_computing_cell_refinement       'SAINT (Bruker, 2016)'
_computing_data_collection       'APEX3 (Bruker, 2016)'
_computing_data_reduction        'SAINT (Bruker, 2016)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Photon II CPAD Area Detector'
_diffrn_detector_area_resol_mean 7.39
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE Kappa Duo PHOTON II CPAD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multilayer mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0620
_diffrn_reflns_av_unetI/netI     0.0512
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16587
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.344
_diffrn_reflns_theta_min         2.824
_diffrn_source                   'micro-focus sealed tube'
_diffrn_source_type              'Incoatech I\mS HB'
_exptl_absorpt_coefficient_mu    24.004
_exptl_absorpt_correction_T_max  0.380
_exptl_absorpt_correction_T_min  0.086
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (BRUKER, 2016)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.130
_exptl_crystal_description       plate
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.050
_refine_diff_density_max         1.609
_refine_diff_density_min         -1.352
_refine_diff_density_rms         0.261
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         3423
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0331
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0479P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.0887
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2814
_reflns_number_total             3423
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jp9b11033_si_002.cif
_cod_data_source_block           iso_PbBr4_0ma_a
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1557023
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.086
_shelx_estimated_absorpt_t_max   0.380
_shelx_res_checksum              57766
_shelx_hkl_checksum              90836