A planar carboxylate-rich tetraironII complex and its conversion to linear triironII and paddlewheel diironII complexes.
Reisner, Erwin; Telser, Joshua; Lippard, Stephen J.; Inorganic chemistry 46 (2007) 10754–10770; doi:10.1021/ic701663j

data_4339320
_publ_section_title
;
 A planar carboxylate-rich tetraironII complex and its conversion to
 linear triironII and paddlewheel diironII complexes.
;
_journal_issue                   25
_journal_name_full               'Inorganic chemistry'
_journal_page_first              10754
_journal_page_last               10770
_journal_paper_doi               10.1021/ic701663j
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C112 H88 Fe4 O18'
_chemical_formula_sum            'C112 H88 Fe4 O18'
_chemical_formula_weight         1945.27
_chemical_name_common            '[Fe4(O2Cbiph)8(THF)2]'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.854(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.1530(19)
_cell_length_b                   25.159(4)
_cell_length_c                   14.097(2)
_cell_measurement_reflns_used    8082
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      28.12
_cell_measurement_theta_min      2.20
_cell_volume                     4654.4(12)
_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      110(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            79075
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.683
_exptl_absorpt_correction_T_max  0.8755
_exptl_absorpt_correction_T_min  0.8479
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless-green
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.497
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.131
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     604
_refine_ls_number_reflns         11104
_refine_ls_number_restraints     192
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0431P)^2^+2.2399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.0978
_reflns_number_gt                9827
_reflns_number_total             11104
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701663j-file003.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        4654.3(12)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4339320