Bis(phosphine)cobalt dialkyl complexes for directed catalytic alkene hydrogenation.
Friedfeld, Max R.; Margulieux, Grant W.; Schaefer, Brian A.; Chirik, Paul J.; Journal of the American Chemical Society 136 (2014) 13178–13181; doi:10.1021/ja507902z

data_4122599
_publ_section_title
;
 Bis(phosphine)cobalt dialkyl complexes for directed catalytic alkene
 hydrogenation.
;
_journal_issue                   38
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13178
_journal_page_last               13181
_journal_paper_doi               10.1021/ja507902z
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C18 H46 Co P2 Si2'
_chemical_formula_weight         439.60
_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                 95.056(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.892(4)
_cell_length_b                   10.862(3)
_cell_length_c                   15.727(4)
_cell_measurement_reflns_used    4562
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.64
_cell_measurement_theta_min      3.58
_cell_volume                     2534.1(12)
_computing_cell_refinement       'SHELXL-97 (Sheldrick, 2008)'
_computing_data_collection       'BRUKER APEX II software suite (Bruker AXS)'
_computing_data_reduction        'BRUKER APEX II software suite (Bruker AXS)'
_computing_molecular_graphics    'ORTEP 3 (Farrugia, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-92 (Farrugia, 1994)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_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  0.0602
_diffrn_reflns_av_sigmaI/netI    0.0589
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10267
_diffrn_reflns_theta_full        27.62
_diffrn_reflns_theta_max         27.62
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    0.898
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5470
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.152
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             956
_exptl_crystal_size_max          0.098
_exptl_crystal_size_mid          0.095
_exptl_crystal_size_min          0.084
_refine_diff_density_max         1.275
_refine_diff_density_min         -0.776
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         2907
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0811
_refine_ls_R_factor_gt           0.0523
_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^)+(0.0943P)^2^+1.4364P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1355
_refine_ls_wR_factor_ref         0.1552
_reflns_number_gt                2139
_reflns_number_total             2907
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ja507902z_si_002.cif
_cod_data_source_block           mrf8
_cod_depositor_comments
'Adding full bibliography for 4122598--4122602.cif.'
_cod_original_cell_volume        2534.0(11)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4122599