Reactivity Studies of N-Heterocyclic Carbene Complexes of Germanium(II)†
Rupar, Paul A.; Staroverov, Viktor N.; Baines, Kim M.; Organometallics 29 (2010) 4871–; doi:10.1021/om100059z

data_4065671
_publ_section_title
;
 Reactivity Studies of N-Heterocyclic Carbene Complexes of
 Germanium(II)&#x2020;
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              4871
_journal_paper_doi               10.1021/om100059z
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C30 H45 Ge I N2'
_chemical_formula_weight         633.17
_chemical_properties_physical    air-sensitive
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 107.22(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.251(2)
_cell_length_b                   18.190(4)
_cell_length_c                   15.163(3)
_cell_measurement_temperature    150(2)
_cell_volume                     2964.1(11)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997-2001)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'SHELXTL/PC (Sheldrick, 2001)'
_computing_publication_material  SHELXTL/PC
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Nonius Kappa-CCD'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0470
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13307
_diffrn_reflns_theta_full        27.66
_diffrn_reflns_theta_max         27.66
_diffrn_reflns_theta_min         2.20
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.095
_exptl_absorpt_correction_T_max  0.7797
_exptl_absorpt_correction_T_min  0.5966
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1296
_exptl_crystal_recrystallization_method pentane/THF
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.732
_refine_diff_density_min         -0.979
_refine_diff_density_rms         0.106
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.505(11)
_refine_ls_extinction_coef       0.0030(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     641
_refine_ls_number_reflns         13307
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0554
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0485P)^2^+4.1528P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0971
_refine_ls_wR_factor_ref         0.1042
_reflns_number_gt                11519
_reflns_number_total             13307
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100059z_si_001.cif
_cod_data_source_block           07012
_cod_original_cell_volume        2964.2(10)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4065671