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_4070198
_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            'C34 H56 B Ir N2 P2'
_chemical_formula_weight         757.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 98.8587(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.639(3)
_cell_length_b                   11.880(3)
_cell_length_c                   22.502(5)
_cell_measurement_reflns_used    9734
_cell_measurement_temperature    103.1500
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.1436
_cell_volume                     3338.4(14)
_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 0.972
_diffrn_measured_fraction_theta_max 0.972
_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  0.0353
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20689
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.14
_exptl_absorpt_coefficient_mu    4.121
_exptl_absorpt_correction_T_max  0.4928
_exptl_absorpt_correction_T_min  0.3265
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.508
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.20
_refine_diff_density_max         3.474
_refine_diff_density_min         -1.150
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.164
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         5711
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.164
_refine_ls_R_factor_all          0.0395
_refine_ls_R_factor_gt           0.0356
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0217P)^2^+14.4827P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0753
_refine_ls_wR_factor_ref         0.0788
_reflns_number_gt                5219
_reflns_number_total             5711
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9006455_si_002.cif
_cod_data_source_block           4c
_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        3338.1(13)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4070198