Structural diversity of lead halide chain compounds, APbX<sub>3</sub>, templated by isomeric molecular cations.
Guo, Yuan-Yuan; Lightfoot, Philip; Dalton transactions (Cambridge, England : 2003) 49 (2020) 12767–12775; doi:10.1039/d0dt02782k

data_7705286
_publ_section_title
;
 Structural diversity of lead halide chain compounds, APbX<sub>3</sub>,
 templated by isomeric molecular cations.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12767
_journal_page_last               12775
_journal_paper_doi               10.1039/d0dt02782k
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'Br3 Pb, C9 H8 N'
_chemical_formula_sum            'C9 H8 Br3 N Pb'
_chemical_formula_weight         577.08
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   dual
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-08-07 deposited with the CCDC.	2020-08-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   21.3526(15)
_cell_length_b                   7.7783(5)
_cell_length_c                   31.1680(2)
_cell_measurement_reflns_used    958
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2
_cell_volume                     5176.6(5)
_computing_molecular_graphics    'Ortep for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT-2018/2 (Sheldrick, 2015)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
;
Rigaku Mercury2 (2x2 bin mode)
;
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1305
_diffrn_reflns_av_unetI/netI     0.0640
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            39543
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        24.995
_diffrn_reflns_theta_max         24.995
_diffrn_reflns_theta_min         2.312
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    22.263
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.399
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.962
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Chip
_exptl_crystal_F_000             4096
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.925
_refine_diff_density_min         -2.313
_refine_diff_density_rms         0.284
_refine_ls_extinction_coef       0.00124(5)
_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   0.912
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         4554
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      0.919
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0576P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0979
_refine_ls_wR_factor_ref         0.1120
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2807
_reflns_number_total             4554
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt02782k2.cif
_cod_data_source_block           shelx_CCDC4
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7705282--7705287.cif.
;
_cod_database_code               7705286
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              33301