Synthesis, structure and reactions of triarylgermyl anion with alpha,delta-ambiphilic character.
Kawachi, Atsushi; Machida, Koji; Yamamoto, Yohsuke; Chemical communications (Cambridge, England) 46 (2010) 1890–1892; doi:10.1039/b923606f

data_7105298
_publ_section_title
;
 Synthesis, structure and reactions of triarylgermyl anion with
 alpha,delta-ambiphilic character.
;
_journal_issue                   11
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1890
_journal_page_last               1892
_journal_paper_doi               10.1039/b923606f
_journal_volume                  46
_journal_year                    2010
_chemical_formula_moiety         'C18 H36 K N2 O6, C24 H30 F3 Ge Si3'
_chemical_formula_sum            'C42 H66 F3 Ge K N2 O6 Si3'
_chemical_formula_weight         947.93
_chemical_melting_point          335
_chemical_name_common
;Potassium (2.2.2)cryptand tris(2-
(fluorodimethylsilyl)phenyl)germanide
;
_chemical_name_systematic
;
Potassium [2.2.2]cryptand tris[2-(fluorodimethylsilyl)phenyl]germanide
;
_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                77.929(2)
_cell_angle_beta                 83.078(2)
_cell_angle_gamma                71.543(2)
_cell_formula_units_Z            2
_cell_length_a                   11.5904(9)
_cell_length_b                   13.6336(10)
_cell_length_c                   16.5928(12)
_cell_measurement_reflns_used    11047
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.04
_cell_volume                     2427.9(3)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        Yadokari
_computing_molecular_graphics    Ortep-3
_computing_publication_material  Yadokari
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 6.83
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  Scx-mini
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0339
_diffrn_reflns_av_sigmaI/netI    0.0447
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            24640
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.846
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            pale_yellow
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.541
_refine_diff_density_min         -0.473
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     529
_refine_ls_number_reflns         11047
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0429P)^2^+1.4991P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1069
_reflns_number_gt                8800
_reflns_number_total             11047
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b923606f.txt
_cod_data_source_block           (Triarylgermyl)potassium_3
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7105298