Synthesis and Characterization of Gallium Silylamido Complexes
Claire J. Carmalt; John D. Mileham; Andrew J. P. White; David J. Williams; Jonathan W. Steed; Inorganic Chemistry 40 (2001) 6035–6038; doi:10.1021/ic010507q

data_4320519
_publ_section_title
;
 Synthesis and Characterization of Gallium Silylamido Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6035
_journal_page_last               6038
_journal_paper_doi               10.1021/ic010507q
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C2 H6 Cl4 Ga2'
_chemical_formula_weight         311.31
_chemical_name_systematic
;
?
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 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                 126.201(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.9989(16)
_cell_length_b                   6.7370(11)
_cell_length_c                   7.2181(9)
_cell_measurement_temperature    100(2)
_cell_volume                     470.84(12)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'XSeed (Barbour, 1999)'
_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  KappaCCD
_diffrn_measurement_method       '72 x 2o phi frames 5s'
_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  0.045
_diffrn_reflns_av_sigmaI/netI    0.1267
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2898
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.54
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    6.770
_exptl_absorpt_correction_T_max  0.4299
_exptl_absorpt_correction_T_min  0.1726
_exptl_absorpt_correction_type   Scalepack
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.196
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.934
_refine_diff_density_min         -1.310
_refine_diff_density_rms         0.252
_refine_ls_extinction_coef       0.006(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.171
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     26
_refine_ls_number_reflns         585
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.171
_refine_ls_R_factor_all          0.0563
_refine_ls_R_factor_gt           0.0541
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0718P)^2^+1.6356P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1522
_refine_ls_wR_factor_ref         0.1540
_reflns_number_gt                543
_reflns_number_total             585
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic010507q_3.cif
_cod_data_source_block           Compound4
_cod_database_code               4320519