A Unique Chlorine‒Methyl Exchange Reaction upon Treatment of Dichloroorganogallium Compounds, RGaCl2, with the Bulky Alkyllithium Derivative LiC(SiMe3)3
Uhl, Werner; Claesener, Michael; Kovert, Dirk; Hepp, Alexander; Würthwein, Ernst-Ulrich; Ghavtadze, Nugzar; Organometallics 30 (2011) 3075–; doi:10.1021/om200176y

data_4064568
_publ_section_title
;
 A Unique Chlorine--Methyl Exchange Reaction upon Treatment of
 Dichloroorganogallium Compounds, RGaCl2, with the Bulky Alkyllithium
 Derivative LiC(SiMe3)3
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              3075
_journal_paper_doi               10.1021/om200176y
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C32 H48 Cl8 Ga4 Si4'
_chemical_formula_weight         1107.54
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.771(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.037(5)
_cell_length_b                   10.269(2)
_cell_length_c                   19.625(4)
_cell_measurement_reflns_used    5926
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      24.8285
_cell_measurement_theta_min      2.2375
_cell_volume                     4838.5(17)
_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 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1299
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            11549
_diffrn_reflns_theta_full        27.95
_diffrn_reflns_theta_max         27.95
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    2.766
_exptl_absorpt_correction_T_max  0.3384
_exptl_absorpt_correction_T_min  0.3384
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.520
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2224
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.50
_refine_diff_density_max         0.691
_refine_diff_density_min         -0.567
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.979
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     445
_refine_ls_number_reflns         11549
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.979
_refine_ls_R_factor_all          0.1478
_refine_ls_R_factor_gt           0.0707
_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^)+(0.0405P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1034
_refine_ls_wR_factor_ref         0.1197
_reflns_number_gt                6296
_reflns_number_total             11549
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200176y_si_001.cif
_cod_data_source_block           sad1
_cod_original_cell_volume        4838.7(16)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4064568