Synthesis and Characterization of Two Isomers of 14π-Electron Germaaromatics: Kinetically Stabilized 9-Germaanthracene and 9-Germaphenanthrene
Sasamori, Takahiro; Inamura, Koji; Hoshino, Wataru; Nakata, Norio; Mizuhata, Yoshiyuki; Watanabe, Yasuaki; Furukawa, Yukio; Tokitoh, Norihiro; Organometallics 25 (2006) 3533–; doi:10.1021/om060371+

data_4083796
_publ_section_title
;
 Synthesis and Characterization of Two Isomers of 14\p-Electron
 Germaaromatics:&#x00A0; Kinetically Stabilized 9-Germaanthracene and
 9-Germaphenanthrene
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              3533
_journal_paper_doi               10.1021/om060371+
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C40 H68 Ge Si6'
_chemical_formula_sum            'C40 H68 Ge Si6'
_chemical_formula_weight         790.07
_chemical_name_common            9-germaphenanthrene
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 91.0317(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   45.4641(6)
_cell_length_b                   9.3634(2)
_cell_length_c                   43.3349(7)
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.79
_cell_volume                     18444.6(6)
_computing_cell_refinement       HKL2000
_computing_data_collection       CrystalClear
_computing_data_reduction        HKL2000
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0578
_diffrn_reflns_av_sigmaI/netI    0.0426
_diffrn_reflns_limit_h_max       54
_diffrn_reflns_limit_h_min       -54
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -51
_diffrn_reflns_number            71229
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.845
_exptl_absorpt_correction_T_max  0.9590
_exptl_absorpt_correction_T_min  0.8492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.138
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             6784
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.699
_refine_diff_density_min         -0.756
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     894
_refine_ls_number_reflns         16161
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0434
_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^)+(0.0317P)^2^+57.3437P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0892
_refine_ls_wR_factor_ref         0.0986
_reflns_number_gt                12798
_reflns_number_total             16161
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060371%2Bsi20060501_014657.cif
_cod_data_source_block           gephen
_cod_original_sg_symbol_Hall     '    -C 2yc'
_cod_original_sg_symbol_H-M      '    C 2/c'
_cod_database_code               4083796