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_4103830
_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            'C41 H60 Ge N2 O4'
_chemical_formula_weight         717.50
_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                 103.221(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5788(19)
_cell_length_b                   17.559(3)
_cell_length_c                   19.778(3)
_cell_measurement_reflns_used    9988
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.6655
_cell_measurement_theta_min      2.293
_cell_volume                     3914.5(11)
_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  0.0502
_diffrn_reflns_av_sigmaI/netI    0.0279
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            63793
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.823
_exptl_absorpt_correction_T_max  0.9398
_exptl_absorpt_correction_T_min  0.83202
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     449
_refine_ls_number_reflns         8000
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0279
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0273P)^2^+1.9981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0666
_refine_ls_wR_factor_ref         0.0689
_reflns_number_gt                6995
_reflns_number_total             8000
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja808656t_si_002_4.cif
_cod_data_source_block           6
_cod_database_code               4103830