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_4002989
_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_moiety         'Li3.83 P0.20 S4 Si0.80'
_chemical_formula_sum            'Li3.83 P0.2 S4 Si0.8'
_chemical_formula_weight         183.48
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_audit_creation_method           SHELXL-2016
_cell_angle_alpha                90
_cell_angle_beta                 91.147(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.112(2)
_cell_length_b                   7.781(3)
_cell_length_c                   6.880(3)
_cell_measurement_reflns_used    931
_cell_measurement_temperature    280(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      1.5
_cell_volume                     327.1(2)
_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 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXL-2016 (Sheldrick, 2016)'
_diffrn_ambient_temperature      280(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'BRUKER kappa APEX II'
_diffrn_measurement_method       'Omega and phi 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  0.0388
_diffrn_reflns_av_unetI/netI     0.0443
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3317
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.992
_diffrn_reflns_theta_min         4.241
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  3
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.508
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.7001
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.863
_exptl_crystal_description       Block
_exptl_crystal_F_000             179
_exptl_crystal_size_max          0.050
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.020
_refine_diff_density_max         1.068
_refine_diff_density_min         -0.510
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     63
_refine_ls_number_reflns         1011
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0480
_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^)+(0.0680P)^2^+0.1052P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1146
_refine_ls_wR_factor_ref         0.1216
_reflns_Friedel_coverage         0.000
_reflns_number_gt                798
_reflns_number_total             1011
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            Li3.8Si0.8P0.2S4.cif
_cod_data_source_block           Li3.8Si0.8P0.2S4
_cod_original_formula_sum        'Li3.83 P0.20 S4 Si0.80'
_cod_database_code               4002989
_shelx_estimated_absorpt_t_min   0.794
_shelx_estimated_absorpt_t_max   0.794
_shelx_res_checksum              87850
_shelx_hkl_checksum              4006