Nucleophilic Aromatic Substitution on Aryl-Amido Ligands Promoted by Oxidizing Osmium(IV) Centers
Jake D. Soper; Erik Saganic; David Weinberg; David A. Hrovat; Jason B. Benedict; Werner Kaminsky; James M. Mayer; Inorganic Chemistry 43 (2004) 5804–5815; doi:10.1021/ic0498743

data_4311630
_publ_contact_author
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Mayer, James M.
Department of Chemistry, BOX 351700
University of Washington
Seattle, WA 98195
USA
;
_publ_contact_author_email       mayer@chem.washington.edu
_publ_section_title
;
 Nucleophilic Aromatic Substitution on Aryl-Amido Ligands Promoted by
 Oxidizing Osmium(IV) Centers
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5804
_journal_page_last               5815
_journal_paper_doi               10.1021/ic0498743
_journal_volume                  43
_journal_year                    2004
_chemical_formula_moiety         'C20 H25 B Cl2 N8 Os, C3 H6 O'
_chemical_formula_sum            'C23 H31 B Cl2 N8 O Os'
_chemical_formula_weight         707.47
_chemical_name_common            TpOs[NH-p-C6H4(N(CH2)5)]Cl2*acetone
_chemical_name_systematic        TpOs[NH-p-C6H4(N(CH2)5)]Cl2*acetone
_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                 143.525(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.1960(3)
_cell_length_b                   22.0420(11)
_cell_length_c                   16.8890(6)
_cell_measurement_reflns_used    299
_cell_measurement_temperature    293(2)
_cell_volume                     2699.0(3)
_computing_cell_refinement       'HKL SCALEPACK'
_computing_data_collection       KappaCCD
_computing_data_reduction        DENZO
_computing_molecular_graphics    'maXus, Zortep'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.949
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0830
_diffrn_reflns_av_sigmaI/netI    0.1385
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11052
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.34
_diffrn_reflns_theta_min         3.38
_exptl_absorpt_coefficient_mu    4.955
_exptl_absorpt_correction_T_max  0.7553
_exptl_absorpt_correction_T_min  0.357
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'denzo2000, using redundancy'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.741
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.570
_refine_diff_density_min         -1.234
_refine_diff_density_rms         0.153
_refine_ls_extinction_coef       0.0068(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.953
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         6534
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.953
_refine_ls_R_factor_all          0.1140
_refine_ls_R_factor_gt           0.0443
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.00P)^2^+0.00P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0761
_refine_ls_wR_factor_ref         0.0878
_reflns_number_gt                3518
_reflns_number_total             6534
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0498743si20040130_080359.cif
_cod_data_source_block           shelxl
_cod_original_cell_volume        2698.99(26)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4311630
_publ_section_refinement
;
 Those H atoms that where placed were refined with a riding  model. U~iso~  
 values were fixed such that they were 1.2U~eq7~ of their parent atom U~eq~ 
 for CH's and 1.5U~eq~ of their parent atom U~eq~ in case of methyl groups.
;