Diiron Oxo Reactivity in a Weak-Field Environment
Betley, Theodore; Johnson, Elizabeth J.; Kleinlein, Claudia; Musgrave, Rebecca A.; Chemical Science  (2019) –; doi:10.1039/C9SC00605B

data_1551002
_publ_section_title
;
 Diiron Oxo Reactivity in a Weak-Field Environment
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C9SC00605B
_journal_year                    2019
_chemical_formula_sum            'C49 H56 Fe2 N4 O2'
_chemical_formula_weight         844.67
_chemical_name_systematic        tBudmxFe2O
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-06-07 deposited with the CCDC.    2019-05-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 115.027(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.775(2)
_cell_length_b                   12.6596(14)
_cell_length_c                   18.9582(17)
_cell_measurement_reflns_used    5722
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.48
_cell_measurement_theta_min      2.28
_cell_volume                     4300.4(8)
_computing_cell_refinement       'SAINT 8.34C (Bruker-AXS, 2014)'
_computing_data_collection       'APEX3 v2015.5-2 (Bruker-AXS, 2015)'
_computing_data_reduction        'SAINT 8.34C (Bruker-AXS, 2014)'
_computing_molecular_graphics    'Bruker SHELXTL (Sheldrick, 2015)'
_computing_publication_material  'Bruker SHELXTL (Sheldrick, 2015)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT-2014 (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type
;
Bruker D8 goniometer with CMOS area detector  
;
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0964
_diffrn_reflns_av_unetI/netI     0.0808
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            22310
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.107
_diffrn_reflns_theta_max         25.107
_diffrn_reflns_theta_min         2.496
_diffrn_source                   'I\mS microfocus tube'
_exptl_absorpt_coefficient_mu    0.718
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6705
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       needle
_exptl_crystal_F_000             1784
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.389
_refine_diff_density_min         -0.346
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3805
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0999
_refine_ls_R_factor_gt           0.0551
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0323P)^2^+13.9657P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.1094
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2636
_reflns_number_total             3805
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc00605b2.cif
_cod_data_source_block           tBudmxFe2O
_cod_database_code               1551002
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.938
_shelx_estimated_absorpt_t_max   0.986
_shelx_res_checksum              1547