Reactivity of Amido-Digermynes, LGeGeL (L = Bulky Amide), toward Olefins and Related Molecules: Facile Reduction, C‒H Activation, and Reversible Cycloaddition of Unsaturated Substrates
Hadlington, Terrance J.; Li, Jiaye; Hermann, Markus; Davey, Amelia; Frenking, Gernot; Jones, Cameron; Organometallics 34 (2015) 3175–; doi:10.1021/acs.organomet.5b00206

data_4086155
_publ_section_title
;
 Reactivity of Amido-Digermynes, LGeGeL (L = Bulky Amide), toward Olefins
 and Related Molecules: Facile Reduction, C--H Activation, and Reversible
 Cycloaddition of Unsaturated Substrates
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3175
_journal_paper_doi               10.1021/acs.organomet.5b00206
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C99 H123 Ge2 N2 Si2'
_chemical_formula_weight         1542.35
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 99.62(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.463(5)
_cell_length_b                   17.179(3)
_cell_length_c                   22.202(4)
_cell_measurement_temperature    123(2)
_cell_volume                     8447(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Gemini Ultra'
_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  0.1975
_diffrn_reflns_av_sigmaI/netI    0.2288
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            68542
_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.788
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.921
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE3 ABSPACK'
_exptl_crystal_colour            purple-red
_exptl_crystal_density_diffrn    1.213
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3292
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.809
_refine_diff_density_min         -0.469
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1003
_refine_ls_number_reflns         15183
_refine_ls_number_restraints     35
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.2362
_refine_ls_R_factor_gt           0.0905
_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^)+(0.1096P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1967
_refine_ls_wR_factor_ref         0.2545
_reflns_number_gt                6163
_reflns_number_total             15183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00206_si_002.cif
_cod_data_source_block           compound6
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4086155