Synthesis of a Germylidenide Anion from the C‒C Bond Activation of a Bis(germylene)
Seow, Celestine; Xi, Hong-Wei; Li, Yongxin; So, Cheuk-Wai; Organometallics 35 (2016) 1060–; doi:10.1021/acs.organomet.5b01001

data_4086453
_publ_section_title
;
 Synthesis of a Germylidenide Anion from the C--C Bond Activation of a
 Bis(germylene)
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              1060
_journal_paper_doi               10.1021/acs.organomet.5b01001
_journal_volume                  35
_journal_year                    2016
_chemical_formula_sum            'C32 H46 Ge2 Li2 N4'
_chemical_formula_weight         645.79
_space_group_crystal_system      orthorhombic
_space_group_IT_number           54
_space_group_name_Hall           '-P 2a 2ac'
_space_group_name_H-M_alt        'P c c a'
_symmetry_space_group_name_Hall  '-P 2a 2ac'
_symmetry_space_group_name_H-M   'P c c a'
_atom_sites_solution_hydrogens   geom
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_cell_length_b                   10.770(3)
_cell_length_c                   20.223(5)
_cell_measurement_reflns_used    2072
_cell_measurement_temperature    133.(2)
_cell_measurement_theta_max      25.7635
_cell_measurement_theta_min      2.7631
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_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
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_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2014)'
_computing_publication_material  'APEX2 (Bruker AXS Inc., 2014)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      133.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1163
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_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            23643
_diffrn_reflns_theta_full        30.58
_diffrn_reflns_theta_max         30.58
_diffrn_reflns_theta_min         2.70
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.854
_exptl_absorpt_correction_T_max  0.71
_exptl_absorpt_correction_T_min  0.39
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/3 (Bruker AXS Inc.)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.220
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_refine_diff_density_max         1.868
_refine_diff_density_min         -0.874
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         5041
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.1222
_refine_ls_R_factor_gt           0.0728
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0644P)^2^+6.9199P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1523
_refine_ls_wR_factor_ref         0.1724
_reflns_number_gt                3184
_reflns_number_total             5041
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om5b01001_si_002.cif
_cod_data_source_block           I
_cod_depositor_comments
'Adding full bibliography for 4086452--4086454.cif.'
_cod_original_cell_volume        3288.6(14)
_cod_database_code               4086453
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