Bandgap modification in 0D tellurium iodide perovskite derivatives via incorporation of polyiodide species
Walusiak, Benjamin W.; Raghavan, Adharsh; Cahill, Christopher L.; RSC Advances 13 (2023) 13477–13492; doi:10.1039/D3RA00996C

data_7246724
_publ_section_title
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 Bandgap modification in 0D tellurium iodide perovskite derivatives via
 incorporation of polyiodide species
;
_journal_issue                   20
_journal_name_full               'RSC Advances'
_journal_page_first              13477
_journal_page_last               13492
_journal_paper_doi               10.1039/D3RA00996C
_journal_volume                  13
_journal_year                    2023
_chemical_formula_moiety         'I6 Te, 2(C5 Cl1 H5 N1), I2'
_chemical_formula_sum            'C10 H10 Cl2 I8 N2 Te'
_chemical_formula_weight         1371.90
_chemical_melting_point          440
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           'APEX3 v2019.1-0'
_audit_update_record
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2023-01-30 deposited with the CCDC.	2023-04-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 111.154(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.0162(14)
_cell_length_b                   10.6017(8)
_cell_length_c                   14.2508(11)
_cell_measurement_reflns_used    8343
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.03
_cell_measurement_theta_min      2.24
_cell_volume                     2679.4(4)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 QUEST'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0601
_diffrn_reflns_av_unetI/netI     0.0505
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            32069
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.282
_diffrn_reflns_theta_min         2.238
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    10.527
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.7037
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Krause, L., Herbst-Irmer, R., Sheldrick, G. M., Stalke, D. (2015).
"Comparison of silver and molybdenum microfocus X-ray sources for
single-crystal structure determination"
J. Appl. Cryst. 48, 3-10.
doi:10.1107/S1600576714022985
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    3.401
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2376
_exptl_crystal_size_max          0.229
_exptl_crystal_size_mid          0.165
_exptl_crystal_size_min          0.154
_refine_diff_density_max         0.976
_refine_diff_density_min         -1.230
_refine_diff_density_rms         0.224
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.49(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         6465
_refine_ls_number_restraints     152
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0434
_refine_ls_R_factor_gt           0.0348
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0048P)^2^+22.7385P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0507
_refine_ls_wR_factor_ref         0.0528
_reflns_Friedel_coverage         0.942
_reflns_Friedel_fraction_full    0.975
_reflns_Friedel_fraction_max     0.943
_reflns_number_gt                5773
_reflns_number_total             6465
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ra00996c2.cif
_cod_data_source_block           'global_CCDC6'
_cod_depositor_comments
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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 8170 2020-07-09 18:12:32Z antanas 
;
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               7246724
_shelx_res_checksum              61515