Direct synthesis and applications of solid silylzinc reagents
Chandrasekaran, Revathi; Pulikkottil, Feba Thomas; Elama, Krishna Suresh; Rasappan, Ramesh; Chemical Science  (2021) –; doi:10.1039/D1SC06038D

data_1565465
_publ_section_title
;
 Direct synthesis and applications of solid silylzinc reagents
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC06038D
_journal_year                    2021
_chemical_formula_moiety         'C9 H25 I N2 Si Zn'
_chemical_formula_sum            'C9 H25 I N2 Si Zn'
_chemical_formula_weight         381.67
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-06-09 deposited with the CCDC.	2021-11-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.6510(16)
_cell_length_b                   10.2987(8)
_cell_length_c                   8.2925(6)
_cell_measurement_reflns_used    6832
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.37
_cell_measurement_theta_min      2.23
_cell_volume                     1678.2(2)
_computing_cell_refinement       'APEX3/SAINT (Bruker, 2016)'
_computing_data_collection       'APEX3 (Bruker, 2016)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2016)'
_computing_molecular_graphics    'ORTEP3- 2014.1(Farrugia, 1997) '
_computing_publication_material  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker KAPPA 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  0.0432
_diffrn_reflns_av_unetI/netI     0.0272
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            25023
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         2.865
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    3.351
_exptl_absorpt_correction_T_max  0.878
_exptl_absorpt_correction_T_min  0.741
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2016)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.511
_exptl_crystal_density_meas      1.5112
_exptl_crystal_density_method    NONE
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.095
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.040
_refine_diff_density_max         1.001
_refine_diff_density_min         -0.977
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.03(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2952
_refine_ls_number_restraints     76
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0392
_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^)+(0.0324P)^2^+4.2072P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0881
_refine_ls_wR_factor_ref         0.0938
_reflns_Friedel_coverage         0.859
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                2482
_reflns_number_total             2952
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc06038d2.cif
_cod_data_source_block           shelx_CCDC1
_cod_database_code               1565465
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.741
_shelx_estimated_absorpt_t_max   0.878
_shelx_res_checksum              60526
_shelx_hkl_checksum              11305