Ordered BaAl4-Type Variants in the BaAuxSn4-x System: A Unified View on Their Phase Stabilities versus Valence Electron Counts.
Lin, Qisheng; Miller, Gordon J.; Corbett, John D.; Inorganic chemistry 53 (2014) 5875–5877; doi:10.1021/ic402991d

data_4338531
_publ_section_title
;
 Ordered BaAl4-Type Variants in the BaAuxSn4-x System: A Unified View on
 Their Phase Stabilities versus Valence Electron Counts.
;
_journal_issue                   12
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5875
_journal_page_last               5877
_journal_paper_doi               10.1021/ic402991d
_journal_volume                  53
_journal_year                    2014
_chemical_formula_sum            'Au1.4 Ba Sn2.6'
_chemical_formula_weight         722.08
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           139
_space_group_name_Hall           '-I 4 2'
_space_group_name_H-M_alt        'I 4/m m m'
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_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            2
_cell_length_a                   4.8837(2)
_cell_length_b                   4.8837(2)
_cell_length_c                   11.2694(5)
_cell_measurement_temperature    293(2)
_cell_volume                     268.78(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0291
_diffrn_reflns_av_sigmaI/netI    0.0122
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            1626
_diffrn_reflns_theta_full        30.01
_diffrn_reflns_theta_max         30.01
_diffrn_reflns_theta_min         3.62
_exptl_absorpt_coefficient_mu    57.138
_exptl_absorpt_correction_T_max  0.265
_exptl_absorpt_correction_T_min  0.188
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    8.922
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             593
_exptl_crystal_size_max          0.030
_exptl_crystal_size_mid          0.025
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.959
_refine_diff_density_min         -1.295
_refine_diff_density_rms         0.208
_refine_ls_extinction_coef       0.0095(5)
_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   1.170
_refine_ls_matrix_type           full
_refine_ls_number_parameters     11
_refine_ls_number_reflns         144
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.170
_refine_ls_R_factor_all          0.0148
_refine_ls_R_factor_gt           0.0139
_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^)+(0.0133P)^2^+1.2970P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0296
_refine_ls_wR_factor_ref         0.0299
_reflns_number_gt                138
_reflns_number_total             144
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic402991d_si_001.cif
_cod_data_source_block           i4mmm_BaAu1.40Sn2.60
_cod_depositor_comments
'Adding full bibliography for 4338527--4338537.cif.'
_cod_original_formula_sum        'Au1.40 Ba Sn2.60'
_cod_database_code               4338531