Comparison Studies of Hybrid Lead Halide [MPb2X7]2‒ (M = Cu, Ag; X = Br, I) Chains: Band Structures and Visible Light Driven Photocatalytic Properties
Yue, Cheng-Yang; Lei, Xiao-Wu; Lu, Xinxiu; Li, Yan; Wei, Jun-Chao; Wang, Wei; Yin, Yun-Dong; Wang, Ning; Dalton Trans.  (2017) –; doi:10.1039/C7DT00820A

data_7043381
_publ_section_title
;
 Comparison Studies of Hybrid Lead Halide [MPb2X7]2-- (M = Cu, Ag; X = Br,
 I) Chains: Band Structures and Visible Light Driven Photocatalytic
 Properties
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT00820A
_journal_year                    2017
_chemical_formula_moiety         C30N6H24ZnAgPb2I7
_chemical_formula_sum            'C30 H24 Ag I7 N6 Pb2 Zn'
_chemical_formula_weight         1944.51
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-05-04 deposited with the CCDC.
2017-06-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.193(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3822(7)
_cell_length_b                   13.6064(7)
_cell_length_c                   25.1718(12)
_cell_measurement_reflns_used    9930
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.24
_cell_measurement_theta_min      2.20
_cell_volume                     4328.6(4)
_computing_cell_refinement       'APEX2 Software Suite (Bruker,2005)'
_computing_data_collection       'APEX2 Software Suite (Bruker,2005)'
_computing_data_reduction        'APEX2 Software Suite (Bruker,2005)'
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART CCD area detector'
_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  0.0530
_diffrn_reflns_av_unetI/netI     0.0446
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            49674
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    13.770
_exptl_absorpt_correction_T_max  0.5460
_exptl_absorpt_correction_T_min  0.4055
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.984
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3431
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.522
_refine_diff_density_min         -1.537
_refine_diff_density_rms         0.173
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         9914
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0630
_refine_ls_R_factor_gt           0.0371
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0396P)^2^+8.5756P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0811
_refine_ls_wR_factor_ref         0.0897
_reflns_number_gt                7195
_reflns_number_total             9914
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt00820a2.cif
_cod_data_source_block           C30N6H24ZnAgPb2I7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7043381