Effects of the Heterocycle and Its Substituents on Structure and Fluxionality in Rhodium(I) and Iridium(I) Complexes with the Hindered Thiolates 6-tert-Butylpyridine-2-thiolate and 1-Alkyl-4-tert-butylimidazole-2-thiolate (alkyl = methyl andtert-butyl)
Miranda-Soto, Valentín; Pérez-Torrente, Jesús J.; Oro, Luis A.; Lahoz, Fernando J.; Martín, M. Luisa; Parra-Hake, Miguel; Grotjahn, Douglas B.; Organometallics 25 (2006) 4374–; doi:10.1021/om060317t

data_4075479
_publ_section_title
;
 Effects of the Heterocycle and Its Substituents on Structure and
 Fluxionality in Rhodium(I) and Iridium(I) Complexes with the Hindered
 Thiolates 6-tert-Butylpyridine-2-thiolate and
 1-Alkyl-4-tert-butylimidazole-2-thiolate (alkyl = methyl andtert-butyl)
;
_journal_issue                   18
_journal_name_full               Organometallics
_journal_page_first              4374
_journal_paper_doi               10.1021/om060317t
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C34 H48 Ir2 N2 S2'
_chemical_formula_sum            'C34 H48 Ir2 N2 S2'
_chemical_formula_weight         933.26
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 117.252(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.665(3)
_cell_length_b                   28.630(7)
_cell_length_c                   11.170(3)
_cell_measurement_reflns_used    2281
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      21.26
_cell_measurement_theta_min      2.43
_cell_volume                     3316.4(15)
_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      223(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.923
_diffrn_measurement_device_type  'Bruker SMART APEX CCD system'
_diffrn_measurement_method       '\w rotations 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  0.0652
_diffrn_reflns_av_sigmaI/netI    0.0872
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            22228
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.76
_diffrn_reflns_theta_min         1.96
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    8.168
_exptl_absorpt_correction_T_max  0.6668
_exptl_absorpt_correction_T_min  0.3120
_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            red
_exptl_crystal_density_diffrn    1.869
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1808
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.151
_refine_diff_density_min         -1.053
_refine_diff_density_rms         0.198
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         7937
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0872
_refine_ls_R_factor_gt           0.0532
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0327P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.0989
_reflns_number_gt                5605
_reflns_number_total             7937
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060317tsi20060409_093054.cif
_cod_data_source_block           compd_2
_cod_original_cell_volume        3316.4(14)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4075479