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_4317493
_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            'C118 H112 Cl4 Co2 N4 O10'
_chemical_formula_weight         2005.78
_chemical_name_common
'[Co2(m-OH2)2(m-O2CArTol)2(O2CArTol)2(N,N-Bn2en)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                 103.592(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.4243(18)
_cell_length_b                   19.591(2)
_cell_length_c                   17.863(2)
_cell_measurement_temperature    188(2)
_cell_volume                     5246.6(10)
_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      188(2)
_diffrn_measured_fraction_theta_full 0.923
_diffrn_measured_fraction_theta_max 0.923
_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  0.0316
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            32513
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.479
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.865307
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            red_purple
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2100
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.947
_refine_diff_density_min         -1.064
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     647
_refine_ls_number_reflns         12003
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0815
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.130
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0723P)^2^+1.1492P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1215
_refine_ls_wR_factor_ref         0.1353
_reflns_number_gt                8124
_reflns_number_total             12003
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0107431_4.cif
_cod_data_source_block           2c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        5246.6(11)
_cod_database_code               4317493