Two-coordinate group 14 element(ii) hydrides as reagents for the facile, and sometimes reversible, hydrogermylation/hydrostannylation of unactivated alkenes and alkynes
Hadlington, Terrance J.; Hermann, Markus; Frenking, Gernot; Jones, Cameron; Chem. Sci. 6 (2015) 7249–; doi:10.1039/C5SC03376D

data_1532474
_publ_section_title
;
 Two-coordinate group 14 element(ii) hydrides as reagents for the facile,
 and sometimes reversible, hydrogermylation/hydrostannylation of
 unactivated alkenes and alkynes
;
_journal_issue                   12
_journal_name_full               'Chem. Sci.'
_journal_page_first              7249
_journal_paper_doi               10.1039/C5SC03376D
_journal_volume                  6
_journal_year                    2015
_chemical_formula_sum            'C50 H63 Ge N Si'
_chemical_formula_weight         778.69
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-09-07 deposited with the CCDC.
2015-09-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.077(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.2741(5)
_cell_length_b                   14.6818(7)
_cell_length_c                   14.6417(7)
_cell_measurement_temperature    123(2)
_cell_volume                     2159.71(18)
_computing_cell_refinement       CrysalisPro
_computing_data_collection       CrysalisPro
_computing_data_reduction        CrysalisPro
_computing_molecular_graphics    X-Seed
_computing_publication_material  CifTAB
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Gemini Ultra'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0585
_diffrn_reflns_av_sigmaI/netI    0.0607
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            34220
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.771
_exptl_absorpt_correction_T_max  0.828
_exptl_absorpt_correction_T_min  0.761
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE3 ABSPACK'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.197
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.589
_refine_diff_density_min         -0.379
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.393(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         8466
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0588
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0456P)^2^+0.8199P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0897
_refine_ls_wR_factor_ref         0.0965
_reflns_number_gt                7107
_reflns_number_total             8466
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5sc03376d2.cif
_cod_data_source_block           compound9
_cod_depositor_comments
'Adding full bibliography for 1532469--1532486.cif.'
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1532474