Synthesis and structural characterization of tris(2-pyridonyl)methyl complexes of zinc and thallium: a new class of metallacarbatranes and a monovalent thallium alkyl compound.
Al-Harbi, Ahmed; Rong, Yi; Parkin, Gerard; Dalton transactions (Cambridge, England : 2003) 42 (2013) 14053–14057; doi:10.1039/c3dt52163j

data_7021993
_publ_section_title
;
 Synthesis and structural characterization of tris(2-pyridonyl)methyl
 complexes of zinc and thallium: a new class of metallacarbatranes and a
 monovalent thallium alkyl compound.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14053
_journal_page_last               14057
_journal_paper_doi               10.1039/c3dt52163j
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C16 H13 N3 O3'
_chemical_formula_weight         295.29
_space_group_IT_number           146
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   15.486(3)
_cell_length_b                   15.486(3)
_cell_length_c                   5.0769(11)
_cell_measurement_reflns_used    4031
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      31.62
_cell_measurement_theta_min      2.63
_cell_volume                     1054.4(4)
_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      125(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            5315
_diffrn_reflns_theta_full        31.64
_diffrn_reflns_theta_max         31.64
_diffrn_reflns_theta_min         2.63
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.9951
_exptl_absorpt_correction_T_min  0.9429
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             462
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     67
_refine_ls_number_reflns         1540
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0451
_refine_ls_R_factor_gt           0.0404
_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^)+(0.0654P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1037
_refine_ls_wR_factor_ref         0.1063
_reflns_number_gt                1400
_reflns_number_total             1540
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt52163j.txt
_cod_data_source_block           o3s10
_cod_original_sg_symbol_H-M      R3
_cod_database_code               7021993