Bimetallic iron‒iron and iron‒zinc complexes of the redox-active ONO pincer ligand
Wong, Janice L.; Higgins, Robert F.; Bhowmick, Indrani; Cao, David Xi; Szigethy, Géza; Ziller, Joseph W.; Shores, Matthew P.; Heyduk, Alan F.; Chem. Sci. 7 (2016) 1594–; doi:10.1039/C5SC03006D

data_1542322
_publ_section_title
;
 Bimetallic iron--iron and iron--zinc complexes of the redox-active ONO
 pincer ligand
;
_journal_issue                   2
_journal_name_full               'Chem. Sci.'
_journal_page_first              1594
_journal_paper_doi               10.1039/C5SC03006D
_journal_volume                  7
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C41.5 H54 N4 O2 Zn'
_chemical_formula_weight         706.25
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2015-08-07 deposited with the CCDC.
2015-11-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.954(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.208(3)
_cell_length_b                   20.222(4)
_cell_length_c                   14.512(3)
_cell_measurement_reflns_used    9998
_cell_measurement_temperature    88(2)
_cell_measurement_theta_max      25.31
_cell_measurement_theta_min      2.44
_cell_volume                     3943.4(14)
_computing_cell_refinement       'Bruker SAINT 8.34a, 2013'
_computing_data_collection       'Bruker APEX2 2013.10-0, 2013'
_computing_data_reduction        'Bruker SAINT 8.34a, 2013'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL 2013/1'
_diffrn_ambient_temperature      88(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0358
_diffrn_reflns_av_unetI/netI     0.0473
_diffrn_reflns_laue_measured_fraction_full 1.000
_diffrn_reflns_laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            46059
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.100
_diffrn_reflns_theta_min         1.484
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.661
_exptl_absorpt_correction_T_max  0.9543
_exptl_absorpt_correction_T_min  0.8855
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker SADABS 2012/1'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    not_measured
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1508
_exptl_crystal_size_max          0.188
_exptl_crystal_size_mid          0.161
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.469
_refine_diff_density_min         -0.649
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
; 
 Flack x determined using 6952 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   0.035(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     899
_refine_ls_number_reflns         17365
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0435
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0369P)^2^+3.0922P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0978
_refine_ls_wR_factor_ref         0.1005
_reflns_Friedel_coverage         0.941
_reflns_friedel_fraction_full    0.999
_reflns_friedel_fraction_max     0.997
_reflns_number_gt                15740
_reflns_number_total             17365
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5sc03006d2.cif
_cod_data_source_block           afh425
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not_measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_cell_volume        3943.6(12)
_cod_original_formula_sum        'C41.50 H54 N4 O2 Zn'
_cod_database_code               1542322
_shelx_estimated_absorpt_t_min   0.886
_shelx_estimated_absorpt_t_max   0.907
_shelxl_version_number           2014-2
_shelx_res_checksum              56765