Modulating the water oxidation catalytic activity of iridium complexes by functionalizing the Cp*-ancillary ligand: hints on the nature of the active species
Gatto, Giordano; De Palo, Alice; Carrasco, Ana C.; Pizarro, Ana M.; Zacchini, Stefano; Pampaloni, Guido; Marchetti, Fabio; Macchioni, Alceo; Catalysis Science & Technology 11 (2021) 2885–2895; doi:10.1039/D0CY02306J

data_1560498
_publ_section_title
;
 Modulating the water oxidation catalytic activity of iridium complexes by
 functionalizing the Cp*-ancillary ligand: hints on the nature of the
 active species
;
_journal_issue                   8
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              2885
_journal_page_last               2895
_journal_paper_doi               10.1039/D0CY02306J
_journal_volume                  11
_journal_year                    2021
_chemical_formula_sum            'C30 H32 Cl4 F2 Ir2'
_chemical_formula_weight         956.75
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2020-07-07 deposited with the CCDC.	2021-02-19 downloaded from the CCDC.
;
_cell_angle_alpha                73.261(4)
_cell_angle_beta                 89.913(4)
_cell_angle_gamma                83.794(4)
_cell_formula_units_Z            4
_cell_length_a                   8.7487(10)
_cell_length_b                   17.713(2)
_cell_length_c                   20.308(3)
_cell_measurement_reflns_used    9710
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.5175
_cell_measurement_theta_min      2.343
_cell_volume                     2994.6(7)
_computing_cell_refinement       'APEX3 (Bruker AXS, 2015)'
_computing_data_collection       'APEX3 (Bruker AXS, 2015)'
_computing_data_reduction        'SAINT (Bruker AXS, 2015)'
_computing_molecular_graphics    'ORTEPIII (Johnson, 1996)'
_computing_publication_material  'XCIF 2014/2 (Bruker AXS, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'PHOTON2 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  0.0808
_diffrn_reflns_av_unetI/netI     0.0645
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            40544
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         1.814
_exptl_absorpt_coefficient_mu    9.267
_exptl_absorpt_correction_T_max  0.0798
_exptl_absorpt_correction_T_min  0.0192
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption correction SADABS).
 R(int) =  0.1655 (selected reflections only, before parameter refinement)
 R(int) =  0.0786 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.122
_exptl_crystal_description       prism
_exptl_crystal_F_000             1808
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.110
_refine_diff_density_max         3.229
_refine_diff_density_min         -3.698
_refine_diff_density_rms         0.329
_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     694
_refine_ls_number_reflns         10506
_refine_ls_number_restraints     451
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0815
_refine_ls_R_factor_gt           0.0612
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0477P)^2^+37.7013P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1395
_refine_ls_wR_factor_ref         0.1479
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8039
_reflns_number_total             10506
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cy02306j2.cif
_cod_data_source_block           7
_cod_depositor_comments
'Adding full bibliography for 1560497--1560498.cif.'
_cod_original_cell_volume        2994.6(6)
_cod_database_code               1560498
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.205
_shelx_estimated_absorpt_t_max   0.429
_shelx_res_checksum              19643