Zinc and Magnesium Catalysts for the Hydrosilylation of Carbon Dioxide.
Rauch, Michael; Parkin, Gerard; Journal of the American Chemical Society 139 (2017) 18162–18165; doi:10.1021/jacs.7b10776

data_4131790
_publ_section_title
;
 Zinc and Magnesium Catalysts for the Hydrosilylation of Carbon Dioxide.
;
_journal_issue                   50
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              18162
_journal_page_last               18165
_journal_paper_doi               10.1021/jacs.7b10776
_journal_volume                  139
_journal_year                    2017
_chemical_formula_sum            'C64 H61 B F15 N6 Si3 Zn'
_chemical_formula_weight         1359.63
_space_group_crystal_system      triclinic
_space_group_IT_number           1
_space_group_name_Hall           'P 1'
_space_group_name_H-M_alt        'P 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                87.6440(10)
_cell_angle_beta                 62.7340(10)
_cell_angle_gamma                60.9210(10)
_cell_formula_units_Z            2
_cell_length_a                   15.8196(6)
_cell_length_b                   16.1882(7)
_cell_length_c                   16.4818(7)
_cell_measurement_reflns_used    9644
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      30.57
_cell_measurement_theta_min      2.44
_cell_volume                     3188.1(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0454
_diffrn_reflns_av_unetI/netI     0.0768
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            52979
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         30.597
_diffrn_reflns_theta_min         1.430
_exptl_absorpt_coefficient_mu    0.531
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6369
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_description       block
_exptl_crystal_F_000             1398
_exptl_crystal_size_max          0.260
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.120
_refine_diff_density_max         1.214
_refine_diff_density_min         -0.774
_refine_diff_density_rms         0.083
_refine_ls_abs_structure_details
; 
 Refined as an inversion twin. 
;
_refine_ls_abs_structure_Flack   0.089(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1594
_refine_ls_number_reflns         38139
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0510
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0669P)^2^+1.2972P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1329
_refine_ls_wR_factor_ref         0.1390
_reflns_Friedel_coverage         1.000
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                34524
_reflns_number_total             38139
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b10776_si_004.cif
_cod_data_source_block           zncats10
_cod_depositor_comments
;

2020-05-25
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C128 H122 B2 F30 N12 Si6 Zn2'
_cod_original_formula_weight         2719.27
_cod_original_formula_units_Z            1
_cod_database_code               4131790
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.874
_shelx_estimated_absorpt_t_max   0.939
_shelx_res_checksum              39398
_shelx_hkl_checksum              10732