Synthesis and Characterization of a 1,2-Digermabenzene
Sasamori, Takahiro; Sugahara, Tomohiro; Agou, Tomohiro; Guo, Jing-Dong; Nagase, Shigeru; Streubel, Rainer; Tokitoh, Norihiro; Organometallics 34 (2015) 2106–; doi:10.1021/om501204u

data_4085308
_publ_section_title
;
 Synthesis and Characterization of a 1,2-Digermabenzene
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2106
_journal_paper_doi               10.1021/om501204u
_journal_volume                  34
_journal_year                    2015
_chemical_formula_moiety         'C48 H98 Ge2 Si8, C6 H6'
_chemical_formula_sum            'C54 H104 Ge2 Si8'
_chemical_formula_weight         1123.27
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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                87.040(2)
_cell_angle_beta                 73.057(2)
_cell_angle_gamma                69.160(3)
_cell_formula_units_Z            2
_cell_length_a                   13.2964(4)
_cell_length_b                   16.4120(10)
_cell_length_c                   17.2864(8)
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      25.5
_cell_measurement_theta_min      1.71
_cell_volume                     3366.7(3)
_computing_cell_refinement       HKL2000
_computing_data_collection       CrystalClear
_computing_data_reduction        HKL2000
_computing_molecular_graphics    'Yadokari-XG 2011 (Wakita Nemoto et al., 2011)'
_computing_publication_material  'Yadokari-XG 2011 (Wakita,Nemoto et al., 2011)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR2004
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_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  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0631
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            29799
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    1.065
_exptl_absorpt_correction_T_max  0.9292
_exptl_absorpt_correction_T_min  0.9010
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 MULABS - Empirical Correction for Absorption Anisotropy.
 Blessing, R. H., Acta Cryst., A51, 33-38 (1995).
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.108
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.255
_refine_diff_density_min         -0.505
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     602
_refine_ls_number_reflns         12418
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0936
_refine_ls_R_factor_gt           0.0604
_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^)+(0.1040P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1549
_refine_ls_wR_factor_ref         0.1718
_reflns_number_gt                8387
_reflns_number_total             12418
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om501204u_si_002.cif
_cod_data_source_block           compound2
_cod_depositor_comments
'Adding full bibliography for 4085307--4085309.cif.'
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               4085308