Lead(ii) complexes of bis- and tris-bidentate compartmental ligands based on pyridyl-pyrazole and pyridyl-triazole fragments: coordination networks and a discrete dimeric box
Najar, Adel M.; Tidmarsh, Ian S.; Ward, Michael D.; CrystEngComm 12 (2010) 3642–; doi:10.1039/c0ce00176g

data_7212835
_publ_section_title
;
 Lead(ii) complexes of bis- and tris-bidentate compartmental ligands based
 on pyridyl-pyrazole and pyridyl-triazole fragments: coordination networks
 and a discrete dimeric box
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              3642
_journal_paper_doi               10.1039/c0ce00176g
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C22 H18 N8'
_chemical_formula_weight         394.44
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.8170(5)
_cell_length_b                   9.9754(5)
_cell_length_c                   38.6879(17)
_cell_measurement_reflns_used    4489
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.34
_cell_measurement_theta_min      2.96
_cell_volume                     3788.6(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0561
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       50
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            25030
_diffrn_reflns_theta_full        27.65
_diffrn_reflns_theta_max         27.65
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9956
_exptl_absorpt_correction_T_min  0.9695
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SABABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1648
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.277
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4397
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0558
_refine_ls_R_factor_gt           0.0407
_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^)+(0.0431P)^2^+1.0133P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0934
_refine_ls_wR_factor_ref         0.1008
_reflns_number_gt                3410
_reflns_number_total             4397
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00176g.txt
_cod_data_source_block           imw1335_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'Pbca '
_cod_database_code               7212835