Low Coordinate Germanium(II) and Tin(II) Hydride Complexes: Efficient Catalysts for the Hydroboration of Carbonyl Compounds.
Hadlington, Terrance J.; Hermann, Markus; Frenking, Gernot; Jones, Cameron; Journal of the American Chemical Society 136 (2014) 3028–; doi:10.1021/ja5006477

data_4120609
_publ_section_title
;
 Low Coordinate Germanium(II) and Tin(II) Hydride Complexes: Efficient
 Catalysts for the Hydroboration of Carbonyl Compounds.
;
_journal_issue                   8
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3028
_journal_paper_doi               10.1021/ja5006477
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C48 H61 N O Si Sn'
_chemical_formula_weight         814.76
_chemical_name_systematic
; 
 ? 
;
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_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
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_cell_angle_beta                 95.712(4)
_cell_angle_gamma                107.061(4)
_cell_formula_units_Z            2
_cell_length_a                   10.3523(5)
_cell_length_b                   14.1047(7)
_cell_length_c                   15.5350(7)
_cell_measurement_temperature    123(2)
_cell_volume                     2146.79(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Apex X8'
_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  0.0308
_diffrn_reflns_av_sigmaI/netI    0.0451
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            16629
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.658
_exptl_absorpt_correction_T_max  0.827
_exptl_absorpt_correction_T_min  0.730
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         2.738
_refine_diff_density_min         -0.717
_refine_diff_density_rms         0.129
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.156
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     480
_refine_ls_number_reflns         8396
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.156
_refine_ls_R_factor_all          0.0580
_refine_ls_R_factor_gt           0.0511
_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^)+(0.0459P)^2^+10.9598P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1423
_refine_ls_wR_factor_ref         0.1458
_reflns_number_gt                7650
_reflns_number_total             8396
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5006477_si_006.cif
_cod_data_source_block           LSnOBut
_cod_original_cell_volume        2146.79(18)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4120609