Zn(ii), Cd(ii) and Pb(ii) complexation with pyridinecarboxylate containing ligands
Ferreirós-Martínez, Raquel; Esteban-Gómez, David; Platas-Iglesias, Carlos; de Blas, Andrés; Rodríguez-Blas, Teresa; Dalton Transactions  (2008) 5754–5765; doi:10.1039/b808631a

data_7004564
_publ_section_title
;
 Zn(ii), Cd(ii) and Pb(ii) complexation with pyridinecarboxylate
 containing ligands
;
_journal_issue                   42
_journal_name_full               'Dalton Transactions'
_journal_page_first              5754
_journal_page_last               5765
_journal_paper_doi               10.1039/b808631a
_journal_year                    2008
_chemical_absolute_configuration unk
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C64 H64 N16 O16 Pb4'
_chemical_formula_sum            'C64 H64 N16 O16 Pb4'
_chemical_formula_weight         2142.11
_chemical_name_systematic
;
?
;
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      82
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2008-02-15T12:11:31-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   26.9308(16)
_cell_length_b                   26.9308(16)
_cell_length_c                   11.4732(15)
_cell_measurement_reflns_used    1953
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      19.26
_cell_measurement_theta_min      2.45
_cell_measurement_wavelength     0.71073
_cell_volume                     8321.1(13)
_computing_cell_refinement       'BRUKER APEX2'
_computing_data_collection       'BRUKER APEX2'
_computing_data_reduction        XPREP
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    Dirdif99
_diffrn_ambient_temperature      100.0(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device_type  'Bruker X8 KappaAPEXII CCD'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1295
_diffrn_reflns_av_unetI/netI     0.08
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4323
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         1.07
_exptl_absorpt_coefficient_mu    8.134
_exptl_absorpt_correction_T_max  0.666
_exptl_absorpt_correction_T_min  0.280
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS: Area-Detector Absorption Correction;
Siemens Industrial Automation, Inc.: Madison, WI, 1996.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.71
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             4064
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_platon_squeeze_details
;
;
_refine_diff_density_max         3.324
_refine_diff_density_min         -1.037
_refine_diff_density_rms         0.218
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.36(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     452
_refine_ls_number_reflns         4323
_refine_ls_number_restraints     171
_refine_ls_restrained_S_all      0.979
_refine_ls_R_factor_all          0.0694
_refine_ls_R_factor_gt           0.0522
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0745P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1187
_refine_ls_wR_factor_ref         0.1255
_reflns_number_gt                3267
_reflns_number_total             4323
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b808631a.txt
_cod_data_source_block           uc06qf2n
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               7004564