Cobalt(II) "Scorpionate" Complexes as Models for Cobalt-Substituted Zinc Enzymes: Electronic Structure Investigation by High-Frequency and -Field Electron Paramagnetic Resonance Spectroscopy
J. Krzystek; Dale C. Swenson; S. A. Zvyagin; Dmitry Smirnov; Andrew Ozarowski; Joshua Telser; Journal of the American Chemical Society 132 (2010) 5241–5253; doi:10.1021/ja910766w

data_4102266
_publ_section_title
;
 Cobalt(II) "Scorpionate" Complexes as Models for Cobalt-Substituted Zinc
 Enzymes: Electronic Structure Investigation by High-Frequency and -Field
 Electron Paramagnetic Resonance Spectroscopy
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5241
_journal_page_last               5253
_journal_paper_doi               10.1021/ja910766w
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         '(C33 H40 B Cl Co N6 S3), (C H2 Cl2)'
_chemical_formula_sum            'C34 H42 B Cl3 Co N6 S3'
_chemical_formula_weight         807.01
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 111.508(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   37.859(4)
_cell_length_b                   9.7245(10)
_cell_length_c                   23.612(2)
_cell_measurement_reflns_used    13882
_cell_measurement_temperature    190(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.0
_cell_volume                     8087.7(14)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo, Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL v6.1 (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL v6.1 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXTL v6.1 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXTL v6.1 (Sheldrick, 1997)'
_diffrn_ambient_temperature      190(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0702
_diffrn_reflns_av_sigmaI/netI    0.0617
_diffrn_reflns_limit_h_max       44
_diffrn_reflns_limit_h_min       -44
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            68370
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.9
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.809
_exptl_absorpt_correction_T_max  0.9722
_exptl_absorpt_correction_T_min  0.7485
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3352
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.826
_refine_diff_density_min         -0.909
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     448
_refine_ls_number_reflns         7128
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0963
_refine_ls_R_factor_gt           0.0585
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0783P)^2^+18.7685P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1449
_refine_ls_wR_factor_ref         0.1622
_reflns_number_gt                4920
_reflns_number_total             7128
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja910766w_si_002_1.cif
_cod_data_source_block           Tp(t-Bu)(Tn)CoCl
_cod_original_sg_symbol_Hall     ' -C 2yc '
_cod_original_sg_symbol_H-M      ' C 2/c '
_cod_database_code               4102266