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_4122601
_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            'C43 H58 Co P2 Si2'
_chemical_formula_weight         751.94
_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                 116.206(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.3936(5)
_cell_length_b                   11.7894(3)
_cell_length_c                   19.1693(5)
_cell_measurement_reflns_used    9914
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      66.57
_cell_measurement_theta_min      4.46
_cell_volume                     4135.1(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP 3 (Farraguia, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR 92 (Giacavazzo, 1993)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0637
_diffrn_reflns_av_sigmaI/netI    0.0468
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            36657
_diffrn_reflns_theta_full        66.70
_diffrn_reflns_theta_max         66.70
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    4.740
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.5241
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2008/1 (Bruker AXS)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.208
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1604
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.114
_exptl_crystal_size_min          0.099
_refine_diff_density_max         0.915
_refine_diff_density_min         -0.371
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     441
_refine_ls_number_reflns         7196
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0517
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0615P)^2^+2.4597P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1063
_refine_ls_wR_factor_ref         0.1126
_reflns_number_gt                6204
_reflns_number_total             7196
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ja507902z_si_002.cif
_cod_data_source_block           mrf42
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4122598--4122602.cif.
;
_cod_original_cell_volume        4135.11(18)
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               4122601