Facile Synthesis of an Unsaturated Spiro Germane by Hydroalumination and Intramolecular 1,1-Carbalumination†
Uhl, Werner; Rohling, Martina; Würthwein, Ernst-Ulrich; Ghavtadze, Nugzar; Bergander, Klaus; Organometallics 29 (2010) 5236–; doi:10.1021/om100359k

data_4066224
_publ_section_title
;
 Facile Synthesis of an Unsaturated Spiro Germane by Hydroalumination and
 Intramolecular 1,1-Carbalumination&#x2020;
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              5236
_journal_paper_doi               10.1021/om100359k
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C61.5 H101.5 Al2 Ge Si8'
_chemical_formula_weight         1192.20
_chemical_name_systematic
; 
 ? 
;
_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                74.8520(10)
_cell_angle_beta                 81.8350(10)
_cell_angle_gamma                89.8590(10)
_cell_formula_units_Z            4
_cell_length_a                   17.4959(4)
_cell_length_b                   18.9610(4)
_cell_length_c                   22.4836(5)
_cell_measurement_reflns_used    5432
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      72.053
_cell_measurement_theta_min      3.4515
_cell_volume                     7121.9(3)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker SMART'
_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      153(2)
_diffrn_measured_fraction_theta_full 0.859
_diffrn_measured_fraction_theta_max 0.859
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0603
_diffrn_reflns_av_sigmaI/netI    0.1147
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            42697
_diffrn_reflns_theta_full        72.36
_diffrn_reflns_theta_max         72.36
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    2.358
_exptl_absorpt_correction_T_max  0.9544
_exptl_absorpt_correction_T_min  0.8158
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.112
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangle
_exptl_crystal_F_000             2562
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.735
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1355
_refine_ls_number_reflns         24229
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.1004
_refine_ls_R_factor_gt           0.0607
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0734P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1499
_refine_ls_wR_factor_ref         0.1733
_reflns_number_gt                15936
_reflns_number_total             24229
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100359k_si_001.cif
_cod_data_source_block           sad
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C61.50 H101.50 Al2 Ge Si8'
_cod_database_code               4066224