<i>catena</i>-Poly[lead(II)-bis(μ~2~-pyridazine-3-carboxylato-κ^3^<i>N</i>^2^,<i>O</i>:<i>O</i>)]
Starosta, Wojciech; Leciejewicz, Janusz; Acta Crystallographica Section E 66 (2010) m192–; doi:10.1107/S1600536810002199

data_2225046
_publ_section_title
<i>catena</i>-Poly[lead(II)-bis(\m~2~-pyridazine-3-carboxylato-\k^3^<i>N</i>^2^,<i>O</i>:<i>O</i>)]
_journal_coeditor_code           KP2247
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m192
_journal_paper_doi               10.1107/S1600536810002199
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          '[Pb (C5 H3 N2 O2)2]'
_chemical_formula_moiety         'C10 H6 N4 O4 Pb'
_chemical_formula_sum            'C10 H6 N4 O4 Pb'
_chemical_formula_weight         453.38
_chemical_name_systematic
;
<i>catena</i>-Poly[lead(II)-bis(\m~2~-pyridazine-3-carboxylato-
\k^3^<i>N</i>^2^,<i>O</i>:<i>O</i>)]
;
_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                90.00
_cell_angle_beta                 93.72(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0336(16)
_cell_length_b                   10.386(2)
_cell_length_c                   13.766(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      6
_cell_volume                     1146.2(4)
_computing_cell_refinement       'KM-4 Software (Kuma, 1996)'
_computing_data_collection       'KM-4 Software (Kuma, 1996)'
_computing_data_reduction        'DATAPROC (Kuma, 2001)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Kuma KM-4 four-circle diffractometer'
_diffrn_measurement_method       'profile data from \w/2\q 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  0.0403
_diffrn_reflns_av_sigmaI/netI    0.0537
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            3587
_diffrn_reflns_theta_full        30.07
_diffrn_reflns_theta_max         30.07
_diffrn_reflns_theta_min         2.46
_diffrn_standards_decay_%        1.27
_diffrn_standards_interval_count 200
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    14.736
_exptl_absorpt_correction_T_max  0.37881
_exptl_absorpt_correction_T_min  0.28392
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
(<i>CrysAlis RED</i>; Oxford Diffraction, 2008)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.627
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.332
_exptl_crystal_size_mid          0.087
_exptl_crystal_size_min          0.081
_refine_diff_density_max         6.566
_refine_diff_density_min         -4.302
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         3365
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0989
_refine_ls_R_factor_gt           0.0481
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0903P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1195
_refine_ls_wR_factor_ref         0.1371
_reflns_number_gt                2119
_reflns_number_total             3365
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            kp2247.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2225046
_cod_database_fobs_code          2225046