Low-Spin Ferriheme Models of the Cytochromes: Correlation of Molecular Structure with EPR Spectral Type
Liliya A. Yatsunyk; Michael D. Carducci; F. Ann Walker; Journal of the American Chemical Society 125 (2003) 15986–16005; doi:10.1021/ja036398r

data_4114511
_publ_contact_author_address
;
     University of Arizona
     Department of Chemistry
     1306 E. University
     Tucson, AZ 85721-0041
     USA
;
_publ_contact_author_email       liliya@u.arizona.edu
_publ_contact_author_fax         520-621-8407
_publ_contact_author_name        'Dr. Ann Walker'
_publ_contact_author_phone       520-621-9697
_publ_section_title
;
 Low-Spin Ferriheme Models of the Cytochromes: Correlation of Molecular
 Structure with EPR Spectral Type
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15986
_journal_page_last               16005
_journal_paper_doi               10.1021/ja036398r
_journal_volume                  125
_journal_year                    2003
_chemical_formula_analytical     'Fe N8 C66 H64'
_chemical_formula_iupac          '[Fe N8 C66 H64]Cl *4(C H Cl3)'
_chemical_formula_moiety         'Fe N8 C66 H64 +, H4 C4 Cl12, Cl -'
_chemical_formula_structural
;
[Fe (N4 C52 H44) (C7 H10 N2)2 4(C H Cl3) Cl-
;
_chemical_formula_sum            'C70 H68 Cl13 Fe N8'
_chemical_formula_weight         1538.02
_chemical_name_common            'Iron(III) chloride  '
_chemical_name_systematic
; 
bis{4-(N,N-dymethyl)aminopyridine}octamethyltetraphenylporphinato 
Iron(III) chloride  
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 94.396(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.9507(13)
_cell_length_b                   23.2709(19)
_cell_length_c                   19.5217(16)
_cell_measurement_reflns_used    5674
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      24.9355
_cell_measurement_theta_min      2.2675
_cell_volume                     7224.9(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      170(2)
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_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  0.1010
_diffrn_reflns_av_sigmaI/netI    0.0966
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            77824
_diffrn_reflns_theta_full        27.80
_diffrn_reflns_theta_max         27.80
_diffrn_reflns_theta_min         1.55
_diffrn_standards_decay_%        0.17
_diffrn_standards_interval_count 1818
_diffrn_standards_number         213
_exptl_absorpt_coefficient_mu    0.737
_exptl_absorpt_correction_T_max  0.8372
_exptl_absorpt_correction_T_min  0.6874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            'deep red'
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_meas      0
_exptl_crystal_description       'distorted parallelepiped'
_exptl_crystal_F_000             3164
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.674
_refine_diff_density_min         -0.766
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     946
_refine_ls_number_reflns         15968
_refine_ls_number_restraints     168
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.1504
_refine_ls_R_factor_gt           0.0739
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1054P)^2^+14.0195P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1882
_refine_ls_wR_factor_ref         0.2456
_reflns_number_gt                8572
_reflns_number_total             15968
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja036398rsi20030606_112226.cif
_cod_data_source_block           ly05bs
_cod_original_sg_symbol_Hall     'P 2(1)/c'
_cod_database_code               4114511