Chromium(IV)-Peroxo Complex Formation and Its Nitric Oxide Dioxygenase Reactivity
Atsutoshi Yokoyama; Jung Eun Han; Jaeheung Cho; Minoru Kubo; Takashi Ogura; Maxime A. Siegler; Kenneth D. Karlin; Wonwoo Nam; Journal of the American Chemical Society 134 (2012) 15269–15272; doi:10.1021/ja307384e

data_4118655
_publ_section_title
;
 Chromium(IV)-Peroxo Complex Formation and Its Nitric Oxide Dioxygenase
 Reactivity
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15269
_journal_page_last               15272
_journal_paper_doi               10.1021/ja307384e
_journal_volume                  134
_journal_year                    2012
_chemical_formula_sum            'C12 H28 Cl Cr N6 O6'
_chemical_formula_weight         439.85
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7456(2)
_cell_length_b                   13.1143(3)
_cell_length_c                   14.3524(4)
_cell_measurement_reflns_used    9187
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.23
_cell_measurement_theta_min      2.53
_cell_volume                     1834.33(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0466
_diffrn_reflns_av_sigmaI/netI    0.0390
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            31520
_diffrn_reflns_theta_full        28.33
_diffrn_reflns_theta_max         28.33
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.813
_exptl_absorpt_correction_T_max  0.9605
_exptl_absorpt_correction_T_min  0.8544
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.593
_exptl_crystal_description       Needle
_exptl_crystal_F_000             924
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.998
_refine_diff_density_min         -0.514
_refine_diff_density_rms         0.076
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.853
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         4552
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      0.895
_refine_ls_R_factor_all          0.0471
_refine_ls_R_factor_gt           0.0402
_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^)+(0.1000P)^2^+0.9651P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1137
_refine_ls_wR_factor_ref         0.1200
_reflns_number_gt                4081
_reflns_number_total             4552
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja307384e_si_004.cif
_cod_data_source_block           chem209
_cod_database_code               4118655