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_7246718
_publ_section_title
;
 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 Te1, 2(C4 H5 N2), 2(I2)'
_chemical_formula_sum            'C8 H8 I10 N4 Te'
_chemical_formula_weight         1556.82
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           'APEX3 v2019.1-0'
_audit_update_record
;
2023-01-30 deposited with the CCDC.	2023-04-24 downloaded from the CCDC.
;
_cell_angle_alpha                81.7110(10)
_cell_angle_beta                 79.8470(10)
_cell_angle_gamma                69.0100(10)
_cell_formula_units_Z            2
_cell_length_a                   9.4074(3)
_cell_length_b                   11.5528(4)
_cell_length_c                   13.8021(4)
_cell_measurement_reflns_used    9676
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.51
_cell_measurement_theta_min      2.34
_cell_volume                     1373.20(8)
_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 0.994
_diffrn_measured_fraction_theta_max 0.997
_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  0.0310
_diffrn_reflns_av_unetI/netI     0.0172
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            63646
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.515
_diffrn_reflns_theta_min         1.895
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    12.327
_exptl_absorpt_correction_T_max  0.7561
_exptl_absorpt_correction_T_min  0.5735
_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            'metallic gray'
_exptl_crystal_density_diffrn    3.770
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.229
_exptl_crystal_size_mid          0.165
_exptl_crystal_size_min          0.154
_refine_diff_density_max         1.026
_refine_diff_density_min         -0.888
_refine_diff_density_rms         0.169
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.327
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         8378
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.327
_refine_ls_R_factor_all          0.0221
_refine_ls_R_factor_gt           0.0200
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0056P)^2^+3.5124P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0401
_refine_ls_wR_factor_ref         0.0405
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8015
_reflns_number_total             8378
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ra00996c2.cif
_cod_data_source_block           'global_CCDC1'
_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 8170 2020-07-09 18:12:32Z antanas 
;
_cod_original_formula_sum        'C8 H8 I10 N4 Te1'
_cod_database_code               7246718
_shelx_res_checksum              31555