Cooperative Ge‒N Bond Activation in Hydrogallation Products of Alkynyl(diethylamino)germanes (Et2N)nGe(C≡CtBu)4‒n
Uhl, Werner; Tannert, Jens; Layh, Marcus; Hepp, Alexander; Grimme, Stefan; Risthaus, Tobias; Organometallics 32 (2013) 6770–; doi:10.1021/om400543v

data_4081789
_publ_section_title
;
 Cooperative Ge--N Bond Activation in Hydrogallation Products of
 Alkynyl(diethylamino)germanes (Et2N)nGe(C\\tb CtBu)4--n
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              6770
_journal_paper_doi               10.1021/om400543v
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C35 H62 Ga Ge N3 O'
_chemical_formula_weight         683.19
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.9280(10)
_cell_angle_beta                 101.9200(10)
_cell_angle_gamma                99.8780(10)
_cell_formula_units_Z            2
_cell_length_a                   10.4940(2)
_cell_length_b                   10.9353(2)
_cell_length_c                   17.4479(3)
_cell_measurement_reflns_used    9959
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.02
_cell_measurement_theta_min      2.18
_cell_volume                     1927.25(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_diffrn_measurement_method       'omega scans'
_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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            34091
_diffrn_reflns_theta_full        30.06
_diffrn_reflns_theta_max         30.06
_diffrn_reflns_theta_min         1.19
_exptl_absorpt_coefficient_mu    1.506
_exptl_absorpt_correction_T_max  0.8890
_exptl_absorpt_correction_T_min  0.4020
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.74
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.436
_refine_diff_density_min         -0.327
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         11189
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0314
_refine_ls_R_factor_gt           0.0248
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0274P)^2^+0.7105P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0607
_refine_ls_wR_factor_ref         0.0647
_reflns_number_gt                9679
_reflns_number_total             11189
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400543v_si_002.cif
_cod_data_source_block           sad
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4081789