Facile Hydrometalation of Alkynes by nido-1,2-(Cp*RuH)2B3H7 Yielding Novel Ru-B Edge-Bridging Alkylidenes. Stepwise Conversion of HC\τbCC(O)OMe into nido-1,2-(Cp*RuH)2-3-HOB-4-MeC-5-MeOC-BH3, Cp* = η5-C5Me5
Hong Yan; Alicia M. Beatty; Thomas P. Fehlner; Journal of the American Chemical Society 124 (2002) 10280–10281; doi:10.1021/ja026738t

data_4115112
_publ_section_title
;
 Facile Hydrometalation of Alkynes by nido-1,2-(Cp*RuH)2B3H7 Yielding
 Novel Ru-B Edge-Bridging Alkylidenes. Stepwise Conversion of
 HC\\tbCC(O)OMe into nido-1,2-(Cp*RuH)2-3-HOB-4-MeC-5-MeOC-BH3, Cp* =
 \h5-C5Me5
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10280
_journal_page_last               10281
_journal_paper_doi               10.1021/ja026738t
_journal_volume                  124
_journal_year                    2002
_chemical_formula_sum            'C24 H43 B3 O2 Ru2'
_chemical_formula_weight         598.15
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   'difmap, except geom for Cp* hydrogen atoms'
_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            8
_cell_length_a                   8.8737(5)
_cell_length_b                   17.6413(9)
_cell_length_c                   33.5339(18)
_cell_measurement_reflns_used    8479
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.50
_cell_measurement_theta_min      2.59
_cell_volume                     5249.5(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0163
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            40786
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    1.169
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9230
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.514
_exptl_crystal_description       block
_exptl_crystal_F_000             2448
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_refine_diff_density_max         2.286
_refine_diff_density_min         -0.832
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     323
_refine_ls_number_reflns         4628
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0304P)^2^+15.6288P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0751
_refine_ls_wR_factor_ref         0.0756
_reflns_number_gt                4512
_reflns_number_total             4628
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja026738t_s1_2.cif
_cod_data_source_block           tf1202m
_cod_database_code               4115112