An Entropically Stabilized Fast-Ion Conductor: Li3.25[Si0.25P0.75]S4
Zhou, Laidong; Assoud, Abdeljalil; Shyamsunder, Abhinandan; Huq, Ashfia; Zhang, Qiang; Hartmann, Pascal; Kulisch, Joern; Nazar, Linda F.; Chemistry of Materials 31 (2019) 7801–; doi:10.1021/acs.chemmater.9b00657

data_4002990
_publ_section_title
;
 An Entropically Stabilized Fast-Ion Conductor: Li3.25[Si0.25P0.75]S4
;
_journal_issue                   19
_journal_name_full               'Chemistry of Materials'
_journal_page_first              7801
_journal_paper_doi               10.1021/acs.chemmater.9b00657
_journal_volume                  31
_journal_year                    2019
_chemical_formula_sum            'Li3.66 P0.33 S4 Si0.67'
_chemical_formula_weight         182.68
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_audit_creation_method           SHELXL-2016
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.6750(18)
_cell_length_b                   7.7946(10)
_cell_length_c                   6.1411(9)
_cell_measurement_reflns_used    536
_cell_measurement_temperature    280(2)
_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      1.5
_cell_volume                     654.59(15)
_computing_cell_refinement       'SMART, 'Bruker APEX II'
_computing_data_collection       'Bruker kappa APEX II'
_computing_data_reduction        'SAINT, 'Bruker APEX II'
_computing_molecular_graphics    Diamond
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      280(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER kappa APEX II'
_diffrn_measurement_method       'Omega and phi scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_unetI/netI     0.0232
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            6445
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.993
_diffrn_reflns_theta_min         2.979
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.515
_exptl_absorpt_correction_T_max  0.745985
_exptl_absorpt_correction_T_min  0.536630
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.854
_exptl_crystal_description       Plate
_exptl_crystal_F_000             357
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.030
_refine_diff_density_max         2.714
_refine_diff_density_min         -0.532
_refine_diff_density_rms         0.196
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     69
_refine_ls_number_reflns         1015
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0745P)^2^+1.0217P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1158
_refine_ls_wR_factor_ref         0.1185
_reflns_Friedel_coverage         0.000
_reflns_number_gt                930
_reflns_number_total             1015
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            Li3.67Si0.67P0.33S4.cif
_cod_data_source_block           Li3.67Si0.67P0.33S4
_cod_database_code               4002990
_shelx_estimated_absorpt_t_min   0.876
_shelx_estimated_absorpt_t_max   0.956
_shelx_res_checksum              54809
_shelx_hkl_checksum              65971