Syntheses, structures and photoluminescent properties of three new coordination polymers based on semirigid zwitterionic ligand
Yong-Qing Huang; Yan-Hua Wang; Yue Zhao; Qian Zhao; Yang Yang; Wei Zhao; Qian Shao; Inorganica Chimica Acta 393 (2012) 164–170; doi:

data_1512715
_publ_section_title
;
 Syntheses, structures and photoluminescent properties of three new
 coordination polymers based on semirigid zwitterionic ligand
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              164
_journal_page_last               170
_journal_volume                  393
_journal_year                    2012
_chemical_formula_moiety         'C8 H6 N2 O7 Pb'
_chemical_formula_sum            'C8 H6 N2 O7 Pb'
_chemical_formula_weight         449.34
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 124.074(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.979(5)
_cell_length_b                   4.6302(8)
_cell_length_c                   21.620(6)
_cell_measurement_reflns_used    3369
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.28
_cell_volume                     2071.2(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker smart apexII CCD'
_diffrn_measurement_method       '\f and \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  0.0336
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       2
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            6606
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    16.324
_exptl_absorpt_correction_T_max  0.3551
_exptl_absorpt_correction_T_min  0.1571
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs(1997)
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.882
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1648
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.919
_refine_diff_density_min         -5.393
_refine_diff_density_rms         0.335
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2377
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0357
_refine_ls_R_factor_gt           0.0322
_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^)+(0.0544P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0795
_refine_ls_wR_factor_ref         0.0821
_reflns_number_gt                2131
_reflns_number_total             2377
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2013-394-164-170-3.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1512715