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_4317497
_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            'C102 H98 N2 O10 Zn2'
_chemical_formula_weight         1642.56
_chemical_name_common            '[Zn2(m-O2CArTol)2(O2CArTol)2(C5H5N)2]'
_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                108.470(4)
_cell_angle_beta                 94.371(4)
_cell_angle_gamma                108.870(4)
_cell_formula_units_Z            1
_cell_length_a                   10.556(2)
_cell_length_b                   14.765(3)
_cell_length_c                   15.480(3)
_cell_measurement_temperature    293(2)
_cell_volume                     2122.1(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 0.890
_diffrn_measured_fraction_theta_max 0.890
_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  0.0342
_diffrn_reflns_av_sigmaI/netI    0.1099
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            13402
_diffrn_reflns_theta_full        28.26
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    0.628
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.800243
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.285
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.499
_refine_diff_density_min         -0.522
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.849
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         9346
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.849
_refine_ls_R_factor_all          0.1060
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0604P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1030
_refine_ls_wR_factor_ref         0.1201
_reflns_number_gt                5399
_reflns_number_total             9346
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0107431_8.cif
_cod_data_source_block           6
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_database_code               4317497