Spirocyclic germanes via transannular insertion reactions of vinyl germylenes into Si-Si bonds.
Walewska, Małgorzata; Baumgartner, Judith; Marschner, Christoph; Albers, Lena; Müller, Thomas; Dalton transactions (Cambridge, England : 2003) 47 (2018) 5985–5996; doi:10.1039/c8dt00315g

data_7045915
_publ_section_title
;
 Spirocyclic germanes via transannular insertion reactions of vinyl
 germylenes into Si-Si bonds.
;
_journal_issue                   17
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5985
_journal_page_last               5996
_journal_paper_doi               10.1039/c8dt00315g
_journal_volume                  47
_journal_year                    2018
_chemical_formula_sum            'C26 H68 Ge Si10'
_chemical_formula_weight         734.29
_space_group_IT_number           70
_space_group_name_Hall           '-F 2uv 2vw'
_space_group_name_H-M_alt        'F d d d :2'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-F 2uv 2vw'
_symmetry_space_group_name_H-M   'F d d d :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-01-27 deposited with the CCDC.
2018-03-23 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   18.093(4)
_cell_length_b                   30.534(6)
_cell_length_c                   32.837(7)
_cell_measurement_reflns_used    23899
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      52.507
_cell_measurement_theta_min      4.535
_cell_volume                     18141(7)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'SMART APEX'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0229
_diffrn_reflns_av_sigmaI/netI    0.0137
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            35050
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.954
_exptl_absorpt_correction_T_max  0.7014
_exptl_absorpt_correction_T_min  0.6367
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.075
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             6336
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.40
_platon_squeeze_details
;
;
_refine_diff_density_max         0.492
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     179
_refine_ls_number_reflns         4631
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0230
_refine_ls_R_factor_gt           0.0220
_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^)+(0.0374P)^2^+16.6155P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0597
_refine_ls_wR_factor_ref         0.0602
_reflns_number_gt                4432
_reflns_number_total             4631
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8dt00315g4.cif
_cod_data_source_block           1098j
_cod_depositor_comments
'Adding full bibliography for 7045912--7045917.cif.'
_cod_original_cell_volume        18141(6)
_cod_original_sg_symbol_H-M      Fddd
_cod_database_code               7045915