Rhodium and Iridium Complexes of Bulky Tertiary Phosphine Ligands. Searching for Isolable Cationic MIIIAlkylidenes
Campos, Jesús; Carmona, Ernesto; Organometallics 34 (2015) 2212–; doi:10.1021/om500910t

data_4084946
_publ_section_title
;
 Rhodium and Iridium Complexes of Bulky Tertiary Phosphine Ligands.
 Searching for Isolable Cationic MIIIAlkylidenes
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2212
_journal_paper_doi               10.1021/om500910t
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C20 H29 Cl Ir P'
_chemical_formula_weight         528.07
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                113.275(2)
_cell_angle_beta                 101.941(2)
_cell_angle_gamma                94.9210(10)
_cell_formula_units_Z            4
_cell_length_a                   8.6116(2)
_cell_length_b                   14.9595(4)
_cell_length_c                   17.3050(7)
_cell_measurement_reflns_used    9500
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.69
_cell_measurement_theta_min      2.44
_cell_volume                     1968.46(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
;
 Bruker-Nonius X8kappa APEX II CCD area detector'
;
_diffrn_measurement_method       'phi and omega scans with narrow frames'
_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  0.0272
_diffrn_reflns_av_sigmaI/netI    0.0158
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            47178
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.24
_diffrn_reflns_theta_min         2.40
_exptl_absorpt_coefficient_mu    6.997
_exptl_absorpt_correction_T_max  0.4330
_exptl_absorpt_correction_T_min  0.2874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 SADABS, Bruker (2006). APEX 2. Version 2.1. Bruker Analytical
 X-ray Solutions, Madison, Wisconsin, USA. 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.765
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         2.507
_refine_diff_density_min         -1.893
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     431
_refine_ls_number_reflns         7130
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0227
_refine_ls_R_factor_gt           0.0210
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0222P)^2^+5.9284P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0511
_refine_ls_wR_factor_ref         0.0524
_reflns_number_gt                6754
_reflns_number_total             7130
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500910t_si_001.cif
_cod_data_source_block           jc00612b
_cod_depositor_comments
'Adding full bibliography for 4084945--4084954.cif.'
_cod_database_code               4084946