Sterically Hindered Carboxylate Ligands Support Water-Bridged Dimetallic Centers That Model Features of Metallohydrolase Active Sites
Dongwhan Lee; Pei-Lin Hung; Bernhard Spingler; Stephen J. Lippard; Inorganic Chemistry 41 (2002) 521–531; doi:10.1021/ic0107431

data_4317494
_publ_section_title
;
 Sterically Hindered Carboxylate Ligands Support Water-Bridged Dimetallic
 Centers That Model Features of Metallohydrolase Active Sites
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              521
_journal_page_last               531
_journal_paper_doi               10.1021/ic0107431
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C100.5 H82 Cl Co2 N2 O11.5'
_chemical_formula_weight         1654.99
_chemical_name_common            '[Co2(m-OH)2(m-O2CArTol)2(O2CArTol)2(C5H5N)2]'
_chemical_name_systematic
;
   ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 106.2680(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   17.6721(17)
_cell_length_b                   13.8244(13)
_cell_length_c                   18.1499(17)
_cell_measurement_temperature    293(2)
_cell_volume                     4256.6(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.951
_diffrn_measured_fraction_theta_max 0.951
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0631
_diffrn_reflns_av_sigmaI/netI    0.0845
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            37897
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.485
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.841684
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.291
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1724
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.551
_refine_diff_density_min         -0.439
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.938
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         10081
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.938
_refine_ls_R_factor_all          0.1111
_refine_ls_R_factor_gt           0.0548
_refine_ls_shift/su_max          0.141
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0753P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1212
_refine_ls_wR_factor_ref         0.1394
_reflns_number_gt                6040
_reflns_number_total             10081
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0107431_5.cif
_cod_data_source_block           3
_cod_original_formula_sum        'C100.50 H82 Cl Co2 N2 O11.50'
_cod_database_code               4317494