Iridium complexes featuring a tridentate SiPSi ligand: from dimeric to monomeric 14, 16 or 18-electron species.
Cuevas-Chávez, Cynthia A; Vendier, Laure; Sabo-Etienne, Sylviane; Montiel-Palma, Virginia; Dalton transactions (Cambridge, England : 2003) 48 (2019) 14010–14018; doi:10.1039/c9dt03136g

data_7701034
_publ_section_title
;
 Iridium complexes featuring a tridentate SiPSi ligand: from dimeric to
 monomeric 14, 16 or 18-electron species.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14010
_journal_page_last               14018
_journal_paper_doi               10.1039/c9dt03136g
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C26 H29 Cl1 Ir1 O2 P1 Si2'
_chemical_formula_sum            'C26 H29 Cl Ir O2 P Si2'
_chemical_formula_weight         688.33
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_update_record
;
2019-07-08 deposited with the CCDC.    2019-08-29 downloaded from the CCDC.
;
_cell_angle_alpha                82.877(5)
_cell_angle_beta                 72.789(4)
_cell_angle_gamma                77.865(4)
_cell_formula_units_Z            2
_cell_length_a                   9.7364(12)
_cell_length_b                   9.9162(14)
_cell_length_c                   14.706(2)
_cell_measurement_reflns_used    9757
_cell_measurement_temperature    293
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2
_cell_volume                     1323.0(3)
_computing_cell_refinement       'Apex2 (Bruker AXS, 2006)'
_computing_data_collection       'Apex2 (Bruker AXS, 2006)'
_computing_data_reduction        'Apex2 (Bruker AXS, 2006)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SHELXS 86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Bruker Kappa Apex2'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.061
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            54275
_diffrn_reflns_theta_full        26.488
_diffrn_reflns_theta_max         26.488
_diffrn_reflns_theta_min         1.453
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.320
_exptl_absorpt_correction_T_max  0.90
_exptl_absorpt_correction_T_min  0.68
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Siemens, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.728
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             676
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.020
_refine_diff_density_max         2.36
_refine_diff_density_min         -0.78
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0850
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4865
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0306
_refine_ls_R_factor_gt           0.0259
_refine_ls_shift/su_max          0.0019696
_refine_ls_shift/su_mean         0.0000257
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 1.46 -0.668 0.987 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0298
_refine_ls_wR_factor_gt          0.0280
_refine_ls_wR_factor_ref         0.0277
_reflns_limit_h_max              12
_reflns_limit_h_min              -11
_reflns_limit_k_max              12
_reflns_limit_k_min              -12
_reflns_limit_l_max              18
_reflns_limit_l_min              0
_reflns_number_gt                4978
_reflns_number_total             5457
_reflns_threshold_expression     I>2.0\s(I)
_cod_data_source_file            c9dt03136g2.cif
_cod_data_source_block           cynthia301117
_cod_depositor_comments
'Adding full bibliography for 7701029--7701035.cif.'
_cod_original_sg_symbol_H-M      'P -1 '
_cod_original_formula_sum        'C26 H29 Cl1 Ir1 O2 P1 Si2'
_cod_database_code               7701034