Tellurium-Based Double Perovskites A2TeX6 with Tunable Band Gap and Long Carrier Diffusion Length for Optoelectronic Applications
Ju, Dianxing; Zheng, Xiaopeng; Yin, Jun; Qiu, Zhiwen; Türedi, Bekir; Liu, Xiaolong; Dang, Yangyang; Cao, Bingqiang; Mohammed, Omar F.; Bakr, Osman M.; Tao, Xutang; ACS Energy Letters 4 (2018) 228–; doi:10.1021/acsenergylett.8b02113

data_4516210
_publ_section_title
;
 Tellurium-Based Double Perovskites A2TeX6 with Tunable Band Gap and Long
 Carrier Diffusion Length for Optoelectronic Applications
;
_journal_issue                   1
_journal_name_full               'ACS Energy Letters'
_journal_page_first              228
_journal_paper_doi               10.1021/acsenergylett.8b02113
_journal_volume                  4
_journal_year                    2018
_chemical_formula_sum            'C H10 I6 N2 Te'
_chemical_formula_weight         939
_space_group_IT_number           225
_space_group_name_Hall           '-F 4 2 3'
_space_group_name_H-M_alt        'F m -3 m'
_symmetry_cell_setting           cubic
_symmetry_space_group_name_H-M   'F m -3 m'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.307(4)
_cell_length_b                   12.307(4)
_cell_length_c                   12.307(4)
_cell_measurement_reflns_used    1268
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.28
_cell_measurement_theta_min      2.87
_cell_volume                     1864.0(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0100
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5319
_diffrn_reflns_theta_full        27.22
_diffrn_reflns_theta_max         27.22
_diffrn_reflns_theta_min         2.87
_exptl_absorpt_coefficient_mu    11.497
_exptl_absorpt_correction_T_max  0.488
_exptl_absorpt_correction_T_min  0.366
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    3.268
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.903
_refine_diff_density_min         -0.506
_refine_diff_density_rms         0.213
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.140
_refine_ls_matrix_type           full
_refine_ls_number_parameters     6
_refine_ls_number_reflns         143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.140
_refine_ls_R_factor_all          0.0608
_refine_ls_R_factor_gt           0.0480
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0905P)^2^+25.0403P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1530
_refine_ls_wR_factor_ref         0.1766
_reflns_number_gt                100
_reflns_number_total             139
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nz8b02113_si_006.cif
_cod_data_source_block           x3
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Cubic' was changed to
'cubic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/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 6909 2019-04-08 15:41:33Z antanas 

2021-10-24
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C2 H20 I12 N4 Te2'
_cod_original_formula_weight         1878
_cod_original_formula_units_Z            2
_cod_original_cell_volume        1864.1(18)
_cod_original_sg_symbol_H-M      Fm-3m
_cod_database_code               4516210