Metal-Mediated Controllable Creation of Secondary, Tertiary, and Quaternary Carbon Centers: A Powerful Strategy for the Synthesis of Iron, Cobalt, and Copper Complexes with in Situ Generated Substituted 1-Pyridineimidazo[1,5-a]pyridine Ligands
Yanmei Chen; Lei Li; Zhou Chen; Yonglu Liu; Hailiang Hu; Wenqian Chen; Wei Liu; Yahong Li; Tao Lei; Yanyuan Cao; Zhenghui Kang; Miaoshui Lin; Wu Li; Inorganic Chemistry 51 (2012) 9705–9713; doi:10.1021/ic300949y

data_4330340
_publ_section_title
;
 Metal-Mediated Controllable Creation of Secondary, Tertiary, and
 Quaternary Carbon Centers: A Powerful Strategy for the Synthesis of Iron,
 Cobalt, and Copper Complexes with in Situ Generated Substituted
 1-Pyridineimidazo[1,5-a]pyridine Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9705
_journal_page_last               9713
_journal_paper_doi               10.1021/ic300949y
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C18 H14 Cl2 Co N4'
_chemical_formula_sum            'C18 H14 Cl2 Co N4'
_chemical_formula_weight         416.16
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                91.170(10)
_cell_angle_beta                 102.963(10)
_cell_angle_gamma                93.848(10)
_cell_formula_units_Z            4
_cell_length_a                   8.1394(13)
_cell_length_b                   12.3040(19)
_cell_length_c                   17.638(3)
_cell_measurement_reflns_used    83
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      12.606
_cell_measurement_theta_min      2.375
_cell_volume                     1716.4(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_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  0.0847
_diffrn_reflns_av_sigmaI/netI    0.1878
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12722
_diffrn_reflns_theta_full        24.25
_diffrn_reflns_theta_max         24.25
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    1.319
_exptl_absorpt_correction_T_max  0.8794
_exptl_absorpt_correction_T_min  0.8267
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.611
_exptl_crystal_description       block
_exptl_crystal_F_000             844
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.673
_refine_diff_density_min         -0.383
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         5431
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.972
_refine_ls_R_factor_all          0.2124
_refine_ls_R_factor_gt           0.0853
_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^)+(0.0992P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1870
_refine_ls_wR_factor_ref         0.2360
_reflns_number_gt                2179
_reflns_number_total             5431
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300949y_L5-Co.cif
_cod_data_source_block           t
_cod_database_code               4330340