Bismercaptoethanediazacyclooctane as a N2S2 Chelating Agent and Cys-X-Cys Mimic for Fe(NO) and Fe(NO)2
Chao-Yi Chiang; Matthew L. Miller; Joseph H. Reibenspies; Marcetta Y. Darensbourg; Journal of the American Chemical Society 126 (2004) 10867–10874; doi:10.1021/ja049627y

data_4112930
_publ_section_title
;
 Bismercaptoethanediazacyclooctane as a N2S2 Chelating Agent and Cys-X-Cys
 Mimic for Fe(NO) and Fe(NO)2
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10867
_journal_page_last               10874
_journal_paper_doi               10.1021/ja049627y
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C8 H16 Fe4 N8 O8 S6'
_chemical_formula_weight         768.05
_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                98.959(2)
_cell_angle_beta                 97.956(2)
_cell_angle_gamma                104.367(2)
_cell_formula_units_Z            2
_cell_length_a                   7.7217(8)
_cell_length_b                   11.3593(11)
_cell_length_c                   15.5075(15)
_cell_measurement_temperature    110(2)
_cell_volume                     1279.1(2)
_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      110(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0530
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6764
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.35
_exptl_absorpt_coefficient_mu    2.763
_exptl_absorpt_correction_T_max  0.6080
_exptl_absorpt_correction_T_min  0.4911
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.994
_exptl_crystal_description       plate
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.435
_refine_diff_density_min         -0.577
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         4447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0408
_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^)+(0.0723P)^2^+1.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1080
_refine_ls_wR_factor_ref         0.1114
_reflns_number_gt                4007
_reflns_number_total             4447
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja049627ysi20040121_041506.cif
_cod_data_source_block           jc4m
_cod_database_code               4112930