Diphenylphosphino- or Dicyclohexylphosphino-Tethered Boryl Pincer Ligands: Syntheses of PBP Iridium(III) Complexes and Their Conversion to Iridium−Ethylene Complexes
Segawa, Yasutomo; Yamashita, Makoto; Nozaki, Kyoko; Organometallics 28 (2009) 6234–; doi:10.1021/om9006455

data_4070197
_publ_section_title
;
 Diphenylphosphino- or Dicyclohexylphosphino-Tethered Boryl Pincer
 Ligands: Syntheses of PBP Iridium(III) Complexes and Their Conversion to
 Iridium&#x2212;Ethylene Complexes
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              6234
_journal_paper_doi               10.1021/om9006455
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C32 H53 B Cl Ir N2 P2'
_chemical_formula_weight         766.16
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 102.9479(11)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.699(4)
_cell_length_b                   13.075(3)
_cell_length_c                   20.824(6)
_cell_measurement_reflns_used    9716
_cell_measurement_temperature    133.1500
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.1147
_cell_volume                     3369.7(16)
_computing_cell_refinement       'RIGAKU CrystalClear'
_computing_data_collection       'RIGAKU CrystalClear'
_computing_data_reduction        'RIGAKU CrystalClear'
_computing_molecular_graphics    ORTEP-III
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'RIGAKU/MSC Meacury CCD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0451
_diffrn_reflns_av_sigmaI/netI    0.0430
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            21245
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.12
_exptl_absorpt_coefficient_mu    4.160
_exptl_absorpt_correction_T_max  0.6811
_exptl_absorpt_correction_T_min  0.2869
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.233
_refine_diff_density_min         -0.860
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.149
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     356
_refine_ls_number_reflns         5777
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.149
_refine_ls_R_factor_all          0.0424
_refine_ls_R_factor_gt           0.0362
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0118P)^2^+9.0050P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0651
_refine_ls_wR_factor_ref         0.0678
_reflns_number_gt                5257
_reflns_number_total             5777
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9006455_si_002.cif
_cod_data_source_block           2c
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Numerical' changed to
'numerical' 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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3369.7(17)
_cod_original_sg_symbol_H-M      P21/a
_cod_database_code               4070197