Crystal clear: unveiling giant birefringence in organic–inorganic cocrystals
Li, Yang; Ok, Kang Min; Chemical Science 15 (2024) 10193–10199; doi:10.1039/D4SC02569E

data_1571721
_publ_section_title
;
 Crystal clear: unveiling giant birefringence in organic--inorganic
 cocrystals
;
_journal_issue                   26
_journal_name_full               'Chemical Science'
_journal_page_first              10193
_journal_page_last               10199
_journal_paper_doi               10.1039/D4SC02569E
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C10 H14 Li2 N4 O10'
_chemical_formula_sum            'C10 H14 Li2 N4 O10'
_chemical_formula_weight         364.13
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2024-04-08
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-04-08 deposited with the CCDC.	2024-05-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 110.89(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.821(8)
_cell_length_b                   10.477(9)
_cell_length_c                   9.205(9)
_cell_measurement_reflns_used    2793
_cell_measurement_temperature    171.00
_cell_measurement_theta_max      27.049
_cell_measurement_theta_min      3.064
_cell_volume                     794.8(13)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      171.00
_diffrn_detector_area_resol_mean 5.6
_diffrn_detector_type            'PHOTON II CPAD detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 QUEST'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1264
_diffrn_reflns_av_unetI/netI     0.0732
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            14271
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         2.747
_exptl_absorpt_coefficient_mu    0.134
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.4475
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1416 before and 0.1095 after correction.
The Ratio of minimum to maximum transmission is 0.6001.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.522
_exptl_crystal_description       block
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.216
_exptl_crystal_size_mid          0.126
_exptl_crystal_size_min          0.098
_refine_diff_density_max         0.245
_refine_diff_density_min         -0.225
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       0.028(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     122
_refine_ls_number_reflns         1823
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0926
_refine_ls_R_factor_gt           0.0535
_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^)+(0.0451P)^2^+0.3964P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1130
_refine_ls_wR_factor_ref         0.1307
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1235
_reflns_number_total             1823
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc02569e2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 1571720--1571722.cif.'
_cod_database_code               1571721
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.987
_shelx_estimated_absorpt_t_min   0.972
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All O(H,H) groups
2. Restrained distances
 Li1-H2A \\sim Li1-H2B
 with sigma of 0.02
3.a Free rotating group:
 O2(H2A,H2B)
3.b Aromatic/amide H refined with riding coordinates:
 N1(H1), C5(H5), C4(H4), C2(H2), C3(H3)
;
_shelx_res_checksum              2977
_olex2_submission_special_instructions 'No special instructions were received'