A mixed molecular salt of lithium and sodium breaks the Hume-Rothery rules for solid solutions
Lestari, Monica; Lusi, Matteo; Chemical Communications  (2019) –; doi:10.1039/C8CC09850F

data_7122926
_publ_section_title
;
 A mixed molecular salt of lithium and sodium breaks the Hume-Rothery
 rules for solid solutions
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C8CC09850F
_journal_year                    2019
_chemical_formula_sum            'C5 H5 Li0.68 N2 Na0.32 O5'
_chemical_formula_weight         185.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-18 deposited with the CCDC.
2019-01-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.693(4)
_cell_angle_gamma                90
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_cell_length_c                   10.4169(7)
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_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      40
_cell_measurement_theta_min      4
_cell_volume                     666.92(7)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0591
_diffrn_reflns_av_unetI/netI     0.0371
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
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_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        66.558
_diffrn_reflns_theta_max         66.558
_diffrn_reflns_theta_min         4.882
_exptl_absorpt_coefficient_mu    1.615
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.5986
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.845
_exptl_crystal_description       needle
_exptl_crystal_F_000             378
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.403
_refine_diff_density_min         -0.512
_refine_diff_density_rms         0.091
_refine_ls_extinction_coef       0.0034(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.173
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_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^)+4.7217P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2012
_refine_ls_wR_factor_ref         0.2083
_reflns_Friedel_coverage         0.000
_reflns_number_gt                964
_reflns_number_total             1171
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc09850f2.cif
_cod_data_source_block           LiNaIOR1
_cod_database_code               7122926
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              17781