A series of coordination polymers based on flexible 5-carboxy-1-(4′-carboxybenzyl)-2-oxidopyridinium and structurally related N-donor ligands: syntheses, structures and photoluminescent properties
Zhang, Yun-Xue; Yang, Jin; Kan, Wei-Qiu; Ma, Jian-Fang; CrystEngComm 14 (2012) 6004–; doi:10.1039/c2ce25439e

data_7208478
_publ_section_title
;
 A series of coordination polymers based on flexible
 5-carboxy-1-(4&#x2032;-carboxybenzyl)-2-oxidopyridinium and structurally
 related N-donor ligands: syntheses, structures and photoluminescent
 properties
;
_journal_issue                   18
_journal_name_full               CrystEngComm
_journal_page_first              6004
_journal_paper_doi               10.1039/c2ce25439e
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C28 H20 N2 O11 Pb2'
_chemical_formula_sum            'C28 H20 N2 O11 Pb2'
_chemical_formula_weight         974.84
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_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
_cell_angle_alpha                90
_cell_angle_beta                 92.265(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.8640(3)
_cell_length_b                   9.6450(6)
_cell_length_c                   27.5870(17)
_cell_measurement_reflns_used    1945
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.1782
_cell_measurement_theta_min      4.1844
_cell_volume                     1293.19(14)
_computing_cell_refinement       CrysAlis
_computing_data_collection       'CrysAlis (Oxford Diffraction, 2006)'
_computing_data_reduction        CrysAlis
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.846
_diffrn_measurement_device_type  'Oxford Diffraction Gemini R Ultra'
_diffrn_measurement_method       '\w scan'
_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  0.0440
_diffrn_reflns_av_sigmaI/netI    0.0788
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            5931
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.24
_diffrn_reflns_theta_min         4.23
_exptl_absorpt_coefficient_mu    13.073
_exptl_absorpt_correction_T_max  0.835
_exptl_absorpt_correction_T_min  0.766
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis (Oxford Diffraction, 2006)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.504
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             908
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.932
_refine_diff_density_min         -1.760
_refine_diff_density_rms         0.264
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2977
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0691
_refine_ls_R_factor_gt           0.0439
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0256P)^2^+2.6959P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0785
_refine_ls_wR_factor_ref         0.0933
_reflns_number_gt                2252
_reflns_number_total             2977
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2ce25439e.txt
_cod_data_source_block           Compound-7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_Hall     '-p 2yn'
_cod_original_sg_symbol_H-M      p21/n
_cod_database_code               7208478