Piezoelectric Energy Harvesting of a Bismuth Halide Perovskite Stabilised by Chiral Ammonium Cations
SAHOO, SUPRIYA; Deka, Nilotpal; Boomishankar, Ramamoorthy; CrystEngComm  (2022) –; doi:10.1039/D2CE00866A

data_7245301
_publ_section_title
;
 Piezoelectric Energy Harvesting of a Bismuth Halide Perovskite Stabilised
 by Chiral Ammonium Cations
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00866A
_journal_year                    2022
_chemical_formula_sum            'C18 H28 Bi Br5 N2'
_chemical_formula_weight         880.95
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2022-06-22 deposited with the CCDC.	2022-08-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.903(2)
_cell_length_b                   14.943(4)
_cell_length_c                   21.449(6)
_cell_measurement_reflns_used    4482
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.027
_cell_measurement_theta_min      4.078
_cell_volume                     2533.0(12)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2107
_diffrn_reflns_av_unetI/netI     0.0775
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            74531
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.027
_diffrn_reflns_theta_max         25.027
_diffrn_reflns_theta_min         2.916
_exptl_absorpt_coefficient_mu    14.854
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    2.310
_exptl_crystal_density_meas      2.310
_exptl_crystal_description       rod
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_exptl_transmission_factor_max   0.552
_exptl_transmission_factor_min   0.414
_refine_diff_density_max         1.481
_refine_diff_density_min         -1.522
_refine_diff_density_rms         0.308
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.12(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     242
_refine_ls_number_reflns         4478
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0773
_refine_ls_R_factor_gt           0.0545
_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^)+48.8892P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0846
_refine_ls_wR_factor_ref         0.0933
_reflns_Friedel_coverage         0.748
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3779
_reflns_number_total             4478
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ce00866a2.cif
_cod_data_source_block           1_S_LT
_cod_database_code               7245301
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              60618
_shelx_hkl_checksum              61895