Dielectric phase transition of an A<sub>2</sub>BX<sub>4</sub>-type perovskite with a pentahedral to octahedral transformation.
Chai, Siqian; Xiong, Jianbo; Zheng, Yongshen; Shi, Rongchao; Xu, Jialiang; Dalton transactions (Cambridge, England : 2003) 49 (2020) 2218–2224; doi:10.1039/c9dt04270a

data_7703295
_publ_section_title
;
 Dielectric phase transition of an A<sub>2</sub>BX<sub>4</sub>-type
 perovskite with a pentahedral to octahedral transformation.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2218
_journal_page_last               2224
_journal_paper_doi               10.1039/c9dt04270a
_journal_volume                  49
_journal_year                    2020
_chemical_formula_sum            'C5 H12 I3 N Pb'
_chemical_formula_weight         674.05
_space_group_crystal_system      monoclinic
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_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-2018/3
_audit_update_record
;
2020-01-10 deposited with the CCDC.	2020-01-15 downloaded from the CCDC.
;
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_cell_measurement_temperature    150(2)
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_cell_volume                     2508.6(4)
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_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
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_exptl_absorpt_correction_T_max  0.7477
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_exptl_crystal_colour            yellow
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.3110P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt04270a2.cif
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_cod_depositor_comments
'Adding full bibliography for 7703293--7703296.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7703295
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_shelx_res_checksum              30439