Reactivity of Nickel(II) and Copper(II) Complexes of a β-Aminohydrazone Ligand with Pyridine-2-aldehyde: Macrocyclization vs Unprecedented Pyrazole Ring Synthesis via C-C Bond-Forming Reaction
Oindrila Das; Ennio Zangrando; Tapan Kanti Paine; Inorganic Chemistry 50 (2011) 8012–8019; doi:10.1021/ic200261j

data_4325999
_publ_section_title
;
 Reactivity of Nickel(II) and Copper(II) Complexes of a \b-Aminohydrazone
 Ligand with Pyridine-2-aldehyde: Macrocyclization vs Unprecedented
 Pyrazole Ring Synthesis via C-C Bond-Forming Reaction
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8012
_journal_page_last               8019
_journal_paper_doi               10.1021/ic200261j
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C27 H44 Cl3 Cu N8 O13'
_chemical_formula_sum            'C27 H44 Cl3 Cu N8 O13'
_chemical_formula_weight         858.59
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 115.444(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.4427(8)
_cell_length_b                   20.7633(17)
_cell_length_c                   10.9105(9)
_cell_measurement_temperature    293(2)
_cell_volume                     1931.6(3)
_computing_cell_refinement       'BRUKER AXS SMART 3'
_computing_data_collection       'BRUKER AXS SMART 3'
_computing_data_reduction        'BRUKER AXS SAINT'
_computing_molecular_graphics    'BRUKER SHELXTL, PLATON'
_computing_publication_material  'MERCURY 1.4'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 3
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'BRUKER CCD AREA DETECTOR'
_diffrn_measurement_method       'PHI-OMEGA SCAN'
_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  0.0327
_diffrn_reflns_av_sigmaI/netI    0.0433
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            24162
_diffrn_reflns_theta_full        25.81
_diffrn_reflns_theta_max         25.81
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.842
_exptl_absorpt_correction_T_max  0.9512
_exptl_absorpt_correction_T_min  0.8632
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.476
_exptl_crystal_description       block
_exptl_crystal_F_000             892
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.512
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.038(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     477
_refine_ls_number_reflns         7435
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0626
_refine_ls_R_factor_gt           0.0481
_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^)+(0.0812P)^2^+0.3827P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1303
_refine_ls_wR_factor_ref         0.1400
_reflns_number_gt                5950
_reflns_number_total             7435
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic200261j_si_004.cif
_cod_data_source_block           comp3
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4325999