Supramolecular [Na(15-crown-5)]+ cations anchored to face-sharing octahedral lead bromide chains featuring a rotor-like one-dimensional perovskite with a reversible isostructural phase transition near room temperature
Yuan, Guo-Jun; Zhou, Hong; Li, Li; Chen, Hong; Ren, Xiao-Ming; CrystEngComm 23 (2021) 7787–7793; doi:10.1039/D1CE01273H

data_7243686
_publ_section_title
;
 Supramolecular [Na(15-crown-5)]+ cations anchored to face-sharing
 octahedral lead bromide chains featuring a rotor-like one-dimensional
 perovskite with a reversible isostructural phase transition near room
 temperature
;
_journal_issue                   44
_journal_name_full               CrystEngComm
_journal_page_first              7787
_journal_page_last               7793
_journal_paper_doi               10.1039/D1CE01273H
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         'C10 H20 Br3 Na O5 Pb'
_chemical_formula_sum            'C10 H20 Br3 Na O5 Pb'
_chemical_formula_weight         690.17
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-07-22 deposited with the CCDC.	2021-10-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.9357(3)
_cell_length_b                   13.9514(6)
_cell_length_c                   16.7733(8)
_cell_measurement_reflns_used    5718
_cell_measurement_temperature    350(2)
_cell_measurement_theta_max      27.36
_cell_measurement_theta_min      2.43
_cell_volume                     1857.04(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      350(2)
_diffrn_detector_area_resol_mean 10.42
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker D8 QUEST PHOTON 100'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0648
_diffrn_reflns_av_unetI/netI     0.0449
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17739
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.557
_diffrn_reflns_theta_min         2.429
_diffrn_source.source            'Ius 2.0'
_diffrn_source.type              microfocus
_exptl_absorpt_coefficient_mu    15.574
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.2833
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.469
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.110
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.074
_refine_diff_density_min         -0.832
_refine_diff_density_rms         0.131
_refine_ls_extinction_coef       0.00147(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         2214
_refine_ls_number_restraints     120
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0676
_refine_ls_R_factor_gt           0.0340
_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^)+(0.0124P)^2^+4.2656P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0543
_refine_ls_wR_factor_ref         0.0619
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1510
_reflns_number_total             2214
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce01273h2.cif
_cod_data_source_block           9
_cod_depositor_comments
'Adding full bibliography for 7243683--7243691.cif.'
_cod_database_code               7243686
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.279
_shelx_estimated_absorpt_t_max   0.305
_shelx_res_checksum              16361
_shelx_hkl_checksum              34639