Synthesis of vinyl germylenes
Malgorzata Walewska; Judith Baumgartner; Christoph Marschner; Chem.Commun. 51 (2015) 276–; doi:10.1039/C4CC07675C

data_7116362
_publ_section_title
;
 Synthesis of vinyl germylenes
;
_journal_name_full               Chem.Commun.
_journal_page_first              276
_journal_paper_doi               10.1039/C4CC07675C
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C34 H66 Ge Si8'
_chemical_formula_weight         772.18
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 109.70(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.204(3)
_cell_length_b                   19.641(4)
_cell_length_c                   18.411(4)
_cell_measurement_reflns_used    17250
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      52.548
_cell_measurement_theta_min      4.745
_cell_volume                     4495.2(19)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0434
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            34964
_diffrn_reflns_theta_full        26.38
_diffrn_reflns_theta_max         26.38
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.916
_exptl_absorpt_correction_T_max  0.8825
_exptl_absorpt_correction_T_min  0.7108
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.141
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             1656
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.14
_platon_squeeze_details
;
;
_refine_diff_density_max         0.795
_refine_diff_density_min         -0.372
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         9187
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0517
_refine_ls_R_factor_gt           0.0434
_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^)+(0.0439P)^2^+2.7095P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0924
_refine_ls_wR_factor_ref         0.0954
_reflns_number_gt                8012
_reflns_number_total             9187
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc07675c2.cif
_cod_data_source_block           1027j
_cod_original_cell_volume        4495.0(15)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7116362