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_4081792
_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            'C33 H56.5 F2.5 Ga Ge N'
_chemical_formula_weight         657.10
_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                90.02(3)
_cell_angle_beta                 98.17(3)
_cell_angle_gamma                99.47(3)
_cell_formula_units_Z            2
_cell_length_a                   9.890(2)
_cell_length_b                   10.935(2)
_cell_length_c                   17.134(3)
_cell_measurement_reflns_used    29450
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      28.39
_cell_measurement_theta_min      1.88
_cell_volume                     1808.7(6)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'imaging plate detector'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0257
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            8601
_diffrn_reflns_theta_full        27.96
_diffrn_reflns_theta_max         27.96
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    1.608
_exptl_absorpt_correction_T_max  0.7288
_exptl_absorpt_correction_T_min  0.4307
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.207
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             694
_exptl_crystal_size_max          0.63
_exptl_crystal_size_mid          0.55
_exptl_crystal_size_min          0.21
_refine_diff_density_max         1.341
_refine_diff_density_min         -0.730
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         8601
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0534
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0923P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1200
_refine_ls_wR_factor_ref         0.1240
_reflns_number_gt                6879
_reflns_number_total             8601
_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_original_formula_sum        'C33 H56.50 F2.50 Ga Ge N'
_cod_database_code               4081792