A Germanium(II) Hydride as an Effective Reagent for Hydrogermylation Reactions
Anukul Jana; Debajyoti Ghoshal; Herbert W. Roesky; Ina Objartel; Gerald Schwab; Dietmar Stalke; Journal of the American Chemical Society 131 (2009) 1288–1293; doi:10.1021/ja808656t

data_4103829
_publ_contact_author             'Prof. Dr. H. W. Roesky'
_publ_contact_author_email
'hroesky@gwdg.de, dstalke@chemie.uni-goettingen.de'
_publ_section_title
;
 A Germanium(II) Hydride as an Effective Reagent for Hydrogermylation
 Reactions
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1288
_journal_page_last               1293
_journal_paper_doi               10.1021/ja808656t
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C35 H48 Ge N2 O4'
_chemical_formula_weight         633.34
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.980(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0106(19)
_cell_length_b                   15.010(2)
_cell_length_c                   19.635(3)
_cell_measurement_reflns_used    9742
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.796
_cell_measurement_theta_min      2.266
_cell_volume                     3434.9(9)
_computing_cell_refinement       'SAINT V7.46A'
_computing_data_collection       'APEX2 v2.2-0'
_computing_data_reduction        'SAINT V7.46A'
_computing_molecular_graphics    'XSHELL ver. 4.01'
_computing_publication_material  'XSHELL ver. 4.01'
_computing_structure_refinement  'SHELXL in SHELXTL ver. 6.10'
_computing_structure_solution    'SHELXS in SHELXTL ver. 6.10'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Smart Apex II with D8-Goniometer'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  'INCOATEC quazar mirror optics'
_diffrn_radiation_source         'INCOATEC Mo micro source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0455
_diffrn_reflns_av_sigmaI/netI    0.0246
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            55980
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    0.929
_exptl_absorpt_correction_T_max  0.8928
_exptl_absorpt_correction_T_min  0.8134
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         7008
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0306
_refine_ls_R_factor_gt           0.0264
_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^)+(0.0283P)^2^+1.8479P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0649
_refine_ls_wR_factor_ref         0.0668
_reflns_number_gt                6332
_reflns_number_total             7008
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja808656t_si_002_3.cif
_cod_data_source_block           5
_cod_database_code               4103829