Reactions of trichlorogermane HGeCl3 and dichlorogallane HGaCl2 with pyridine donors
Nogai, Stefan; Schriewer, Alexander; Schmidbaur, Hubert; Dalton Transactions  (2003) 3165–; doi:10.1039/b305792e

data_7013238
_publ_section_title
;
 Reactions of trichlorogermane HGeCl3 and dichlorogallane HGaCl2 with
 pyridine donors
;
_journal_issue                   16
_journal_name_full               'Dalton Transactions'
_journal_page_first              3165
_journal_paper_doi               10.1039/b305792e
_journal_year                    2003
_chemical_formula_sum            'C7 H9 Cl3 Ga N'
_chemical_formula_weight         283.22
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.3256(7)
_cell_angle_beta                 71.9435(8)
_cell_angle_gamma                68.3327(12)
_cell_formula_units_Z            2
_cell_length_a                   7.19680(10)
_cell_length_b                   9.1925(2)
_cell_length_c                   9.4850(2)
_cell_measurement_reflns_used    15084
_cell_measurement_temperature    143(2)
_cell_volume                     552.805(19)
_computing_cell_refinement       DENZO
_computing_data_collection       XPRESS
_computing_data_reduction        SCALEPACK
_computing_molecular_graphics    SHELXTL-PLUS
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      143(2)
_diffrn_measured_fraction_theta_full 0.927
_diffrn_measured_fraction_theta_max 0.927
_diffrn_measurement_device_type  'NONIUS DIP 2020'
_diffrn_measurement_method       phi-rotation
_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  0.029
_diffrn_reflns_av_sigmaI/netI    0.0283
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            15084
_diffrn_reflns_theta_full        27.60
_diffrn_reflns_theta_max         27.60
_diffrn_reflns_theta_min         3.17
_exptl_absorpt_coefficient_mu    3.162
_exptl_absorpt_correction_T_max  0.790
_exptl_absorpt_correction_T_min  0.390
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
(See: Walker, N. & Stuart, D. (1983) Acta Cryst. A39, 158-166)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.702
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             280
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.489
_refine_diff_density_min         -0.311
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2374
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0236
_refine_ls_R_factor_gt           0.0234
_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^)+(0.0324P)^2^+0.2125P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0640
_refine_ls_wR_factor_ref         0.0642
_reflns_number_gt                2351
_reflns_number_total             2374
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b305792e.txt
_cod_data_source_block           nog38
_cod_original_cell_volume        552.805(18)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7013238