Three Alkali-Metal-Gold-Gallium Systems. Ternary Tunnel Structures and Some Problems with Poorly Ordered Cations
Volodymyr Smetana; Gordon J. Miller; John D. Corbett; Inorganic Chemistry 51 (2012) 7711–7721; doi:10.1021/ic300740u

data_4329710
_publ_section_title
;
 Three Alkali-Metal-Gold-Gallium Systems. Ternary Tunnel Structures and
 Some Problems with Poorly Ordered Cations
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7711
_journal_page_last               7721
_journal_paper_doi               10.1021/ic300740u
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'Au4 Ga4 Na1.11'
_chemical_formula_weight         1092.26
_space_group_IT_number           140
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4 2c'
_symmetry_space_group_name_H-M   'I 4/m c m'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2011-07-07 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.7180(12)
_cell_length_b                   8.7180(12)
_cell_length_c                   4.8570(10)
_cell_measurement_reflns_used    1486
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      3.30
_cell_volume                     369.15(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Bruker CCD'
_diffrn_measurement_method       w-scan
_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  0.0755
_diffrn_reflns_av_sigmaI/netI    0.0347
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            1486
_diffrn_reflns_theta_full        28.26
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         3.30
_exptl_absorpt_coefficient_mu    93.474
_exptl_absorpt_correction_T_max  0
_exptl_absorpt_correction_T_min  0
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            silver
_exptl_crystal_density_diffrn    9.827
_exptl_crystal_description       'irregular fragment'
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         5.191
_refine_diff_density_min         -2.063
_refine_diff_density_rms         0.671
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_matrix_type           full
_refine_ls_number_parameters     13
_refine_ls_number_reflns         138
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0376
_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^)+(0.0547P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0798
_refine_ls_wR_factor_ref         0.0829
_reflns_number_gt                124
_reflns_number_total             138
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic300740u_si_002_1.cif
_cod_data_source_block           Na1.1Au4Ga4
_cod_database_code               4329710