Isolation of a Pentadentate Ligand and Stepwise Synthesis, Structures, and Magnetic Properties of a New Family of Homo- and Heterotrinuclear Complexes
Zheng, Ling-Ling; Zhang, Wei-Xiong; Qin, Lian-Jing; Leng, Ji-Dong; Lu, Jun-Xian; Tong, Ming-Liang; Inorganic Chemistry 46 (2007) 9548–9557; doi:10.1021/ic070343z

data_4333245
_publ_section_title
;
 Isolation of a Pentadentate Ligand and Stepwise Synthesis, Structures,
 and Magnetic Properties of a New Family of Homo- and Heterotrinuclear
 Complexes
;
_journal_issue                   23
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9548
_journal_page_last               9557
_journal_paper_doi               10.1021/ic070343z
_journal_volume                  46
_journal_year                    2007
_chemical_formula_sum            'C18 H32 N18 Ni3 O18'
_chemical_formula_weight         964.75
_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                79.18(3)
_cell_angle_beta                 72.88(2)
_cell_angle_gamma                70.78(2)
_cell_formula_units_Z            1
_cell_length_a                   7.959(1)
_cell_length_b                   9.275(4)
_cell_length_c                   13.231(4)
_cell_measurement_temperature    293(2)
_cell_volume                     876.9(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.940
_diffrn_measured_fraction_theta_max 0.940
_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  0.0348
_diffrn_reflns_av_sigmaI/netI    0.0679
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6170
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.71
_exptl_absorpt_coefficient_mu    1.696
_exptl_absorpt_correction_T_max  0.8096
_exptl_absorpt_correction_T_min  0.6764
_exptl_crystal_density_diffrn    1.827
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             494
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.882
_refine_diff_density_min         -0.514
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     288
_refine_ls_number_reflns         3247
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0366
_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^)+(0.0481P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0951
_reflns_number_gt                2193
_reflns_number_total             3247
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic070343zsup1.cif
_cod_data_source_block           complex_5
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4333245