Reactions of Osmium‒Pinacolboryl Complexes: Preparation of the First Vinylideneboronate Esters
Esteruelas, Miguel A.; López, Ana M.; Mora, Malka; Oñate, Enrique; Organometallics 31 (2012) 2965–; doi:10.1021/om200485k

data_4077838
_publ_section_title
;
 Reactions of Osmium--Pinacolboryl Complexes: Preparation of the First
 Vinylideneboronate Esters
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2965
_journal_paper_doi               10.1021/om200485k
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C25 H54 B Cl O3 Os P2'
_chemical_formula_weight         701.08
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 122.0930(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.1978(13)
_cell_length_b                   11.6425(8)
_cell_length_c                   15.7377(11)
_cell_measurement_reflns_used    5533
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      2.2
_cell_volume                     2980.0(4)
_computing_cell_refinement       'SAINT+ v. 6.02 (Bruker AXS, 1999)'
_computing_data_collection       'SMART v. 5.625 (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT+ v. 6.02 (Bruker AXS, 1999)'
_computing_molecular_graphics    'XP, SHELXTL v. 6.1 (Bruker, 2000)'
_computing_publication_material  'XCIF, SHELXTL v. 6.1 (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.927
_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  0.0718
_diffrn_reflns_av_sigmaI/netI    0.0641
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10594
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.48
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    4.500
_exptl_absorpt_correction_T_max  0.862
_exptl_absorpt_correction_T_min  0.608
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Absorption correction performed with SADABS program. This is based on the
method of Blessing: Blessing, R. H., Acta Crystallogr., Sect. A 1995, 51, 33.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.563
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       neddle
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.602
_refine_diff_density_min         -1.448
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.925
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         3502
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.925
_refine_ls_R_factor_all          0.0340
_refine_ls_R_factor_gt           0.0268
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0105P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0516
_refine_ls_wR_factor_ref         0.0532
_reflns_number_gt                3009
_reflns_number_total             3502
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200485k_si_001.cif
_cod_data_source_block           enrique68as
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4077838