The dipyrrolide ligand as a template for the spontaneous formation of a tetranuclear iron(II) complex
Love, Jason B.; Salyer, Pamela A.; Bailey, Andrew S.; Wilson, Claire; Blake, Alexander J.; Davies, E. Stephen; Evans, David J.; Chemical Communications (Cambridge, United Kingdom)  (2003) 1390–1391; doi:10.1039/b303485b

data_7103714
_publ_section_title
;
 The dipyrrolide ligand as a template for the spontaneous formation of a
 tetranuclear iron(II) complex
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   12
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1390
_journal_page_last               1391
_journal_paper_doi               10.1039/b303485b
_journal_year                    2003
_chemical_formula_moiety         'C52 H68 Fe4 N8 O2'
_chemical_formula_sum            'C52 H68 Fe4 N8 O2'
_chemical_formula_weight         1060.54
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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            8
_cell_length_a                   15.049(3)
_cell_length_b                   15.049(3)
_cell_length_c                   42.623(11)
_cell_measurement_reflns_used    2423
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.7
_cell_measurement_theta_min      2.7
_cell_volume                     9653(7)
_computing_cell_refinement       'Bruker SAINT version 6.02a (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.624 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; Bruker SHELXTL (Bruker, 2001)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXL-97; PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker SMART1000 CCD area detector'
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.090
_diffrn_reflns_av_sigmaI/netI    0.093
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       52
_diffrn_reflns_limit_l_min       -53
_diffrn_reflns_number            18802
_diffrn_reflns_theta_full        27.35
_diffrn_reflns_theta_max         27.35
_diffrn_reflns_theta_min         1.97
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.228
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.614
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS version 2.03; Bruker, 2001)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.460
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4448
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.49
_refine_diff_density_min         -0.71
_refine_diff_density_rms         0.09
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.916
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         5341
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.916
_refine_ls_R_factor_all          0.115
_refine_ls_R_factor_gt           0.0574
_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^)+(0.0849P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.139
_refine_ls_wR_factor_ref         0.159
_reflns_number_gt                2947
_reflns_number_total             5426
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b303485b.txt
_cod_data_source_block           FEPTHF
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      I41/a
_cod_database_code               7103714