Norbornene chaotropic salts as low molecular mass ionic organogelators (LMIOGs).
Engstrom, Jordan R.; Savyasachi, Aramballi J.; Parhizkar, Marzieh; Sutti, Alessandra; Hawes, Chris S.; White, Jonathan M.; Gunnlaugsson, Thorfinnur; Pfeffer, Frederick M.; Chemical science 9 (2018) 5233–5241; doi:10.1039/c8sc01798k

data_1549424
_publ_section_title
;
 Norbornene chaotropic salts as low molecular mass ionic organogelators
 (LMIOGs).
;
_journal_issue                   23
_journal_name_full               'Chemical science'
_journal_page_first              5233
_journal_page_last               5241
_journal_paper_doi               10.1039/c8sc01798k
_journal_volume                  9
_journal_year                    2018
_chemical_absolute_configuration rmad
_chemical_formula_sum            'C18 H17 N Na O5'
_chemical_formula_weight         350.31
_space_group_crystal_system      hexagonal
_space_group_IT_number           173
_space_group_name_Hall           'P 6c'
_space_group_name_H-M_alt        'P 63'
_symmetry_space_group_name_Hall  'P 6c'
_symmetry_space_group_name_H-M   'P 63'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2018-02-27 deposited with the CCDC.
2018-05-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   20.7637(3)
_cell_length_b                   20.7637(3)
_cell_length_c                   6.59150(10)
_cell_measurement_reflns_used    5579
_cell_measurement_temperature    130.01(10)
_cell_measurement_theta_max      76.6730
_cell_measurement_theta_min      4.2310
_cell_volume                     2461.07(6)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      130.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.2273
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0245
_diffrn_reflns_av_unetI/netI     0.0259
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            9217
_diffrn_reflns_point_group_measured_fraction_full 0.854
_diffrn_reflns_point_group_measured_fraction_max 0.815
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         77.126
_diffrn_reflns_theta_min         4.259
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.088
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.74547
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_description       rod
_exptl_crystal_F_000             1098
_exptl_crystal_size_max          0.432
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.092
_refine_diff_density_max         0.779
_refine_diff_density_min         -0.698
_refine_diff_density_rms         0.067
_refine_ls_abs_structure_details
;
 Flack x determined using 821 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.0(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         2844
_refine_ls_number_restraints     17
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.0694
_refine_ls_R_factor_gt           0.0631
_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^)+(0.0352P)^2^+5.3529P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1502
_refine_ls_wR_factor_ref         0.1538
_reflns_Friedel_coverage         0.522
_reflns_Friedel_fraction_full    0.680
_reflns_Friedel_fraction_max     0.615
_reflns_number_gt                2650
_reflns_number_total             2844
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8sc01798k2.cif
_cod_data_source_block           9Na_S
_cod_depositor_comments
'Adding full bibliography for 1549423--1549425.cif.'
_cod_original_cell_volume        2461.07(8)
_cod_database_code               1549424
_shelx_shelxl_version_number     2016/6
_chemical_oxdiff_usercomment     'Fred Pfeller JRE-5-013'
_oxdiff_exptl_absorpt_empirical_full_min 0.677
_oxdiff_exptl_absorpt_empirical_full_max 1.426
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              3801