LiNa~3~(SO~4~)~2~·6H~2~O: a lithium double salt causing trouble in the industrial conversion of Li~2~SO~4~ into LiOH
Schmidt, Horst; Paschke, Iris; Voigt, Wolfgang; Acta Crystallographica Section E 77 (2021) –; doi:10.1107/S2056989021008057

data_2243892
_publ_section_title
;
 LiNa~3~(SO~4~)~2~&#x00B7;6H~2~O: a lithium double salt causing trouble in
 the industrial conversion of Li~2~SO~4~ into LiOH
;
_journal_coeditor_code           RU2076
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2056989021008057
_journal_volume                  77
_journal_year                    2021
_chemical_formula_moiety         '3(Na) Li 2(SO4) 6(H2O)'
_chemical_formula_sum            'H12 Li Na3 O14 S2'
_chemical_formula_weight         376.13
_chemical_name_systematic        Sodium-Lithium-Sulfate-Hexahydrate
_space_group_crystal_system      trigonal
_space_group_IT_number           161
_space_group_name_Hall           'R 3 -2"c'
_space_group_name_H-M_alt        'R 3 c :H'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   8.426(2)
_cell_length_b                   8.426(2)
_cell_length_c                   30.197(4)
_cell_measurement_reflns_used    4304
_cell_measurement_temperature    260(2)
_cell_measurement_theta_max      21.00
_cell_measurement_theta_min      2.59
_cell_volume                     1856.7(7)
_computing_cell_refinement
;
X-AREA (Stoe & Cie, 2015)
;
_computing_data_collection
;
X-AREA (Stoe & Cie, 2015)
;
_computing_data_reduction
;
X-RED (Stoe & Cie, 2015)
;
_computing_molecular_graphics
;
DIAMOND (Brandenburg, 2017)
;
_computing_publication_material
;
publCIF (Westrip, 2010)
;
_computing_structure_refinement
;
<i>SHELXL2018/3</i> (Sheldrick, 2015)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      260(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'Stoe IPDS 2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0341
_diffrn_reflns_av_unetI/netI     0.0170
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            5068
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.176
_diffrn_reflns_theta_min         3.101
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           40
_diffrn_source_power             2.000
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.607
_exptl_absorpt_correction_T_max  0.9382
_exptl_absorpt_correction_T_min  0.8637
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Coppens (1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.018
_exptl_crystal_description       needle
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.142
_refine_diff_density_min         -0.198
_refine_ls_abs_structure_details
;
Flack <i>x</i> determined using 437 quotients
[(<i>I</i>^+^)-(<i>I</i>^-^)]/[(<i>I</i>^+^)+(<i>I</i>^-^)]
(Parsons <i>et al.</i>,  2013)
;
_refine_ls_abs_structure_Flack   -0.04(6)
_refine_ls_extinction_coef       0.0031(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method
;
SHELXL2018/3 (Sheldrick 2015)
;
_refine_ls_goodness_of_fit_ref   1.132
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     78
_refine_ls_number_reflns         915
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.131
_refine_ls_R_factor_all          0.0174
_refine_ls_R_factor_gt           0.0168
_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^)+(0.0254P)^2^+0.5038P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0420
_refine_ls_wR_factor_ref         0.0426
_reflns_number_gt                906
_reflns_number_total             915
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ru2076sup1.cif
_cod_data_source_block           Na3_Li_2SO4_6H2O-260K
_cod_original_cell_volume        1856.6(10)
_cod_database_code               2243892
_shelx_hkl_checksum              35021
_shelx_res_checksum              68691
_cod_database_fobs_code 2243892