Synthesis, characterisation and structures of thio-, seleno- and telluro-ether complexes of gallium(iii)
Gurnani, Chitra; Levason, William; Ratnani, Raju; Reid, Gillian; Webster, Michael; Dalton Transactions  (2008) 6274–6282; doi:10.1039/b810005e

data_7004672
_publ_section_title
;
 Synthesis, characterisation and structures of thio-, seleno- and
 telluro-ether complexes of gallium(iii)
;
_journal_issue                   44
_journal_name_full               'Dalton Transactions'
_journal_page_first              6274
_journal_page_last               6282
_journal_paper_doi               10.1039/b810005e
_journal_year                    2008
_chemical_formula_moiety         'C9 H11 Se 1+, Cl4 Ga 1-'
_chemical_formula_sum            'C9 H11 Cl4 Ga Se'
_chemical_formula_weight         409.66
_chemical_name_systematic
;
2-methyl-1,3-dihydro-benzo[c]selenophenium tetrachlorogallate(III)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_date             2008-02-13
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 94.527(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4417(10)
_cell_length_b                   13.976(3)
_cell_length_c                   13.527(3)
_cell_measurement_reflns_used    7977
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1402.5(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0419
_diffrn_reflns_av_sigmaI/netI    0.0415
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            13908
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         3.02
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.285
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7999
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'G.M. Sheldrick, (2007). SADABS. Version 2007/2. Bruker AXS Inc.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.940
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.465
_refine_diff_density_min         -0.457
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         3224
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0361
_refine_ls_R_factor_gt           0.0272
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0302P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0610
_refine_ls_wR_factor_ref         0.0645
_reflns_number_gt                2758
_reflns_number_total             3224
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b810005e.txt
_cod_data_source_block           08mfd001
_cod_original_cell_volume        1402.5(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7004672