Ge(ii) cation catalyzed hydroboration of aldehydes and ketones.
Sinhababu, Soumen; Singh, Dharmendra; Sharma, Mahendra Kumar; Siwatch, Rahul Kumar; Mahawar, Pritam; Nagendran, Selvarajan; Dalton transactions (Cambridge, England : 2003) 48 (2019) 4094–4100; doi:10.1039/c8dt05121f

data_7048918
_publ_section_title
;
 Ge(ii) cation catalyzed hydroboration of aldehydes and ketones.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4094
_journal_page_last               4100
_journal_paper_doi               10.1039/c8dt05121f
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C15 H26 B Ge N2'
_chemical_formula_sum            'C15 H26 B Ge N2'
_chemical_formula_weight         317.80
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-31 deposited with the CCDC.
2019-02-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.538(4)
_cell_length_b                   10.012(4)
_cell_length_c                   17.299(7)
_cell_measurement_reflns_used    2726
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.35
_cell_volume                     1652.0(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0439
_diffrn_reflns_av_unetI/netI     0.0519
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7791
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        24.992
_diffrn_reflns_theta_max         24.992
_diffrn_reflns_theta_min         2.350
_exptl_absorpt_coefficient_mu    1.844
_exptl_absorpt_correction_T_max  0.745
_exptl_absorpt_correction_T_min  0.509
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       plate
_exptl_crystal_F_000             668
_exptl_crystal_size_max          0.562
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.552
_refine_diff_density_min         -0.222
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details
;
 Flack x determined using 1082 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.010(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     179
_refine_ls_number_reflns         2893
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0321
_refine_ls_R_factor_gt           0.0298
_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^)+(0.0297P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0698
_refine_ls_wR_factor_ref         0.0707
_reflns_Friedel_coverage         0.722
_reflns_Friedel_fraction_full    0.987
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                2726
_reflns_number_total             2893
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt05121f2.cif
_cod_data_source_block           snr33m
_cod_depositor_comments
'Adding full bibliography for 7048914--7048918.cif.'
_cod_original_cell_volume        1652.0(11)
_cod_database_code               7048918
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              1671