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_7122924
_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 N2 Na O5'
_chemical_formula_weight         196.10
_space_group_crystal_system      monoclinic
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_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
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_cell_angle_gamma                90
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_cell_measurement_temperature    297(2)
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_cell_measurement_theta_min      2
_cell_volume                     682.09(5)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1147
_diffrn_reflns_av_unetI/netI     0.0575
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_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 0.989
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.490
_diffrn_reflns_theta_min         4.837
_exptl_absorpt_coefficient_mu    2.028
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6023
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.910
_exptl_crystal_description       needle
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.359
_refine_diff_density_rms         0.084
_refine_ls_extinction_coef       0.0063(17)
_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   1.018
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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^)+(0.0735P)^2^+1.1147P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1387
_refine_ls_wR_factor_ref         0.1682
_reflns_Friedel_coverage         0.000
_reflns_number_gt                896
_reflns_number_total             1343
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc09850f2.cif
_cod_data_source_block           NaIOR
_cod_database_code               7122924
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              99434