Chirality and diastereoselection in the mu-oxo diiron complexes L(2)Fe-O-FeL(2) (L = bidentate salicylaldiminato).
Becker, Jan M.; Barker, James; Clarkson, Guy J.; van Gorkum, Remy; Johal, Gursharon K.; Walton, Richard I.; Scott, Peter; Dalton transactions (Cambridge, England : 2003) 39 (2010) 2309–2326; doi:10.1039/b905706d

data_7024027
_publ_section_title
;
 Chirality and diastereoselection in the mu-oxo diiron complexes
 L(2)Fe-O-FeL(2) (L = bidentate salicylaldiminato).
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2309
_journal_page_last               2326
_journal_paper_doi               10.1039/b905706d
_journal_volume                  39
_journal_year                    2010
_chemical_absolute_configuration rmad
_chemical_formula_sum            'C68 H72 Fe2 N4 O5'
_chemical_formula_weight         1137.00
_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                   12.1688(5)
_cell_length_b                   21.9511(4)
_cell_length_c                   22.1026(8)
_cell_measurement_reflns_used    7121
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.90
_cell_volume                     5904.0(3)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1994)'
_computing_data_reduction        'SAINT (Siemens, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Siemens SMART diffractometer'
_diffrn_measurement_method       '\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  0.1216
_diffrn_reflns_av_sigmaI/netI    0.1229
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            33088
_diffrn_reflns_theta_full        26.49
_diffrn_reflns_theta_max         26.49
_diffrn_reflns_theta_min         2.92
_diffrn_standards_decay_%        nil
_exptl_absorpt_coefficient_mu    0.545
_exptl_absorpt_correction_T_max  0.9680
_exptl_absorpt_correction_T_min  0.9218
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2400
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.467
_refine_diff_density_min         -0.467
_refine_diff_density_rms         0.110
_refine_ls_abs_structure_details
'Flack H D (1983), Acta Cryst. A39, 876-881, 5398 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.08(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.178
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     725
_refine_ls_number_reflns         12085
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.178
_refine_ls_R_factor_all          0.1374
_refine_ls_R_factor_gt           0.0884
_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^)+(0.0000P)^2^+26.5663P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1609
_refine_ls_wR_factor_ref         0.1920
_reflns_number_gt                8736
_reflns_number_total             12085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b905706d.txt
_cod_data_source_block           jb10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7024027