Dichlorogallane (HGaCl2)2: Its Molecular Structure and Synthetic Potential
Stefan Nogai; Hubert Schmidbaur; Inorganic Chemistry 41 (2002) 4770–4774; doi:10.1021/ic0203015

data_4318450
_publ_contact_author
;
    Prof. Dr. H. Schmidbaur
    Anorganisch-chemisches Institut
    der Technischen Universit\"at M\"unchen
    Lichtenbergstra\"se 4
    D-85747 Garching
    Germany
;
_publ_contact_author_email       H.Schmidbaur@lrz.tu-muenchen.de
_publ_contact_author_fax         '++49 89 2891-3125'
_publ_contact_author_phone       '++49 89 2891-3130'
_publ_section_title
;
 Dichlorogallane (HGaCl2)2: Its Molecular Structure and Synthetic
 Potential
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4770
_journal_page_last               4774
_journal_paper_doi               10.1021/ic0203015
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C12 H30 Cl4 Ga2 P2'
_chemical_formula_weight         517.54
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.01510(10)
_cell_length_b                   14.14240(10)
_cell_length_c                   14.2508(2)
_cell_measurement_reflns_used    65230
_cell_measurement_temperature    143(2)
_cell_volume                     2219.99(4)
_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 0.944
_diffrn_measured_fraction_theta_max 0.944
_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  0.049
_diffrn_reflns_av_sigmaI/netI    0.0234
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            65230
_diffrn_reflns_theta_full        27.71
_diffrn_reflns_theta_max         27.71
_diffrn_reflns_theta_min         2.86
_exptl_absorpt_coefficient_mu    3.043
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.548
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.637
_refine_diff_density_min         -0.706
_refine_diff_density_rms         0.093
_refine_ls_extinction_coef       0.0029(4)
_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   1.082
_refine_ls_hydrogen_treatment    isotropic
_refine_ls_matrix_type           full
_refine_ls_number_parameters     152
_refine_ls_number_reflns         2460
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0350
_refine_ls_R_factor_gt           0.0327
_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^)+(0.0516P)^2^+1.4302P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0827
_refine_ls_wR_factor_ref         0.0846
_reflns_number_gt                2316
_reflns_number_total             2460
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0203015_2.cif
_cod_data_source_block           nog12
_cod_database_code               4318450