Symmetrical and unsymmetrical dizinc complexes as models for the active sites of hydrolytic enzymes
Jarenmark, Martin; Kappen, Sascha; Haukka, Matti; Nordlander, Ebbe; Dalton Transactions  (2008) 993–996; doi:10.1039/b713664a

data_7003192
_publ_section_title
;
 Symmetrical and unsymmetrical dizinc complexes as models for the
 active sites of hydrolytic enzymes
;
_journal_issue                   8
_journal_name_full               'Dalton Transactions'
_journal_page_first              993
_journal_page_last               996
_journal_paper_doi               10.1039/b713664a
_journal_year                    2008
_chemical_formula_moiety         'C56 H66 N8 O10 Zn4, 2(F6 P)'
_chemical_formula_sum            'C56 H66 F12 N8 O10 P2 Zn4'
_chemical_formula_weight         1562.59
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 97.187(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.5983(2)
_cell_length_b                   19.4790(3)
_cell_length_c                   12.5532(4)
_cell_measurement_reflns_used    53314
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.47
_cell_volume                     3056.38(12)
_computing_cell_refinement       'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'Diamond v.3.1e (Brandenburg, 2007)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offset'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0375
_diffrn_reflns_av_sigmaI/netI    0.0196
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            53314
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.47
_exptl_absorpt_coefficient_mu    1.704
_exptl_absorpt_correction_T_max  0.7464
_exptl_absorpt_correction_T_min  0.5744
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Xprep in Shelxtl v.6.14-1 (Sheldrick, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.698
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1592
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.292
_refine_diff_density_min         -0.726
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     419
_refine_ls_number_reflns         6951
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0411
_refine_ls_R_factor_gt           0.0349
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0451P)^2^+4.4968P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0897
_refine_ls_wR_factor_ref         0.0954
_reflns_number_gt                6188
_reflns_number_total             6951
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b713664a.txt
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7003192