On the importance of tetrel bonding interactions in lead(ii) complexes with (iso)nicotinohydrazide based ligands and several anions.
Mahmoudi, Ghodrat; Bauzá, Antonio; Amini, Mojtaba; Molins, Elies; Mague, Joel T.; Frontera, Antonio; Dalton transactions (Cambridge, England : 2003) 45 (2016) 10708–10716; doi:10.1039/c6dt01947a

data_7039410
_publ_section_title
;
 On the importance of tetrel bonding interactions in lead(ii) complexes
 with (iso)nicotinohydrazide based ligands and several anions.
;
_journal_issue                   26
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10708
_journal_page_last               10716
_journal_paper_doi               10.1039/c6dt01947a
_journal_volume                  45
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C12 H9 N9 O1 Pb1'
_chemical_formula_sum            'C24 H18 N14 O2 Pb2'
_chemical_formula_weight         948.92
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_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      2.4
_audit_creation_date             2011-03-16T09:52:10-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2016-05-16 deposited with the CCDC.
2016-06-01 downloaded from the CCDC.
;
_cell_angle_alpha                85.65(4)
_cell_angle_beta                 81.87(10)
_cell_angle_gamma                70.41(7)
_cell_formula_units_Z            1
_cell_length_a                   5.834(7)
_cell_length_b                   8.133(4)
_cell_length_c                   14.800(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      14.3
_cell_measurement_theta_min      8.7
_cell_measurement_wavelength     0.71073
_cell_volume                     654.6(9)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'scintillation LiI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       'non-profiled \w scans'
_diffrn_orient_matrix_type
;
  x-axis points to radiation source
  the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      0.070975
_diffrn_orient_matrix_UB_12      -0.129135
_diffrn_orient_matrix_UB_13      0.010453
_diffrn_orient_matrix_UB_21      0.032002
_diffrn_orient_matrix_UB_22      -0.015906
_diffrn_orient_matrix_UB_23      -0.067375
_diffrn_orient_matrix_UB_31      0.165647
_diffrn_orient_matrix_UB_32      0.011555
_diffrn_orient_matrix_UB_33      -0.000832
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_unetI/netI     0.059
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2859
_diffrn_reflns_theta_full        27.02
_diffrn_reflns_theta_max         27.02
_diffrn_reflns_theta_min         1.39
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    12.897
_exptl_absorpt_correction_T_max  0.5244
_exptl_absorpt_correction_T_min  0.4442
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
        Walker, N. & Stuart, D (1983) Acta. Cryst. A39, 158-166
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    2.412
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             442
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.167
_refine_diff_density_min         -1.567
_refine_diff_density_rms         0.256
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2859
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.055
_refine_ls_R_factor_gt           0.0438
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0641P)^2^+1.2173P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1073
_refine_ls_wR_factor_ref         0.1134
_reflns_number_gt                2383
_reflns_number_total             2859
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt01947a2.cif
_cod_data_source_block           tz3
_cod_depositor_comments
'Adding full bibliography for 7039409--7039412.cif.'
_cod_original_sg_symbol_Hall     'P -1'
_cod_database_code               7039410