Tetrameric Cluster Assembled One-Dimensional Hybrid Lead Halides with Broadband Light Emission
Zhang, Wei-Feng; Zhao, Jian-Qiang; Sun, Xing-Yu; Ma, Yue-Yu; Pan, Hong-Mei; Jing, Zhihong; Lei, Xiao-Wu; Yao, Qingxia; CrystEngComm  (2020) –; doi:10.1039/D0CE01202E

data_7241340
_publ_section_title
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 Tetrameric Cluster Assembled One-Dimensional Hybrid Lead Halides with
 Broadband Light Emission
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_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE01202E
_journal_year                    2020
_chemical_formula_moiety         C4N2H16Pb2Br6O
_chemical_formula_sum            'C4 H16 Br6 N2 O Pb2'
_chemical_formula_weight         1002.03
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
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2020-07-26 deposited with the CCDC.	2020-10-01 downloaded from the CCDC.
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_cell_angle_alpha                90.00
_cell_angle_beta                 92.684(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7317(13)
_cell_length_b                   11.617(2)
_cell_length_c                   20.846(4)
_cell_measurement_reflns_used    4812
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.24
_cell_volume                     1870.3(6)
_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 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega 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  0.0869
_diffrn_reflns_av_sigmaI/netI    0.0710
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            22024
_diffrn_reflns_theta_full        27.91
_diffrn_reflns_theta_max         27.91
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    30.782
_exptl_absorpt_correction_T_max  0.3014
_exptl_absorpt_correction_T_min  0.2362
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.559
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         3.636
_refine_diff_density_min         -2.612
_refine_diff_density_rms         0.313
_refine_ls_extinction_coef       0.00314(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     143
_refine_ls_number_reflns         4422
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0413
_refine_ls_shift/su_max          0.085
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0385P)^2^+8.0121P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0929
_refine_ls_wR_factor_ref         0.1015
_reflns_number_gt                3419
_reflns_number_total             4422
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0ce01202e2.cif
_cod_data_source_block           Com_1
_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 7556 2019-12-06 15:28:31Z antanas 
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_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7241340