Pentamethylcyclopentadienyl-iridium(iii) complexes with pyridylamino ligands: synthesis and applications as asymmetric catalysts for Diels?Alder reactions
Daniel Carmona; M. Pilar Lamata; Fernando Viguri; Ricardo Rodríguez; Fernando J. Lahoz; Isabel T. Dobrinovitch; Luis A. Oro; Dalton Transactions  (2007) 1911–; doi:10.1039/b618720j

data_7005264
_publ_section_title
;
 Pentamethylcyclopentadienyl-iridium(iii) complexes with pyridylamino
 ligands: synthesis and applications as asymmetric catalysts for
 Diels?Alder reactions
;
_journal_issue                   19
_journal_name_full               'Dalton Transactions'
_journal_page_first              1911
_journal_paper_doi               10.1039/b618720j
_journal_year                    2007
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C24 H31 Cl Ir N2, F6 Sb'
_chemical_formula_sum            'C24 H31 Cl F6 Ir N2 Sb'
_chemical_formula_weight         810.91
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6422(5)
_cell_length_b                   17.6321(11)
_cell_length_c                   17.8479(10)
_cell_measurement_reflns_used    7471
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.35
_cell_measurement_theta_min      2.36
_cell_volume                     2719.7(3)
_computing_cell_refinement       'SAINT+ v. 6.01 (Bruker AXS, 2000)'
_computing_data_collection       'SMART v. 5.611 (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT+ v. 6.01 (Bruker AXS, 2000)'
_computing_molecular_graphics    'XP program, SHELXTL v6.12, Bruker2000'
_computing_publication_material  'XCIF program, SHELXTLv6.12, BrukerAXS'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_device_type  'Bruker SMART APEX CCD system'
_diffrn_measurement_method       '\w rotations with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0439
_diffrn_reflns_av_sigmaI/netI    0.0496
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18196
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.72
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    6.036
_exptl_absorpt_correction_T_max  0.430
_exptl_absorpt_correction_T_min  0.241
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS: Area-Detector Absorption Correction. (1996) Bruker-AXS
within SAINT+ package, v. 6.01.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.980
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.943
_refine_diff_density_min         -0.741
_refine_diff_density_rms         0.111
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.017(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.970
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         6460
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.0360
_refine_ls_R_factor_gt           0.0304
_refine_ls_shift/su_max          0.027
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0180P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0543
_refine_ls_wR_factor_ref         0.0557
_reflns_number_gt                5547
_reflns_number_total             6460
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b618720j.txt
_cod_data_source_block           compound1a
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7005264