Heterogeneous microwave-assisted Ullmann type methodology for synthesis of rigid-core ionic liquid crystals
Fouchet, Julien; Heinrich, Benoît; L’Her, Matthieu; Voirin, Emilie; Karmazin, Lydia; Bailly, Corinne; Welter, Richard; Mirjafari, Arsalan; Douce, Laurent; New Journal of Chemistry 42 (2018) 10421–; doi:10.1039/C8NJ01609G

data_7057456
_publ_section_title
;
 Heterogeneous microwave-assisted Ullmann type methodology for synthesis
 of rigid-core ionic liquid crystals
;
_journal_issue                   12
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              10421
_journal_paper_doi               10.1039/C8NJ01609G
_journal_volume                  42
_journal_year                    2018
_chemical_formula_moiety         'C33 H57 N2 O, Br'
_chemical_formula_sum            'C33 H57 Br N2 O'
_chemical_formula_weight         577.71
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-03-16 deposited with the CCDC.
2018-05-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.506(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   28.2048(7)
_cell_length_b                   14.7269(4)
_cell_length_c                   7.9430(2)
_cell_measurement_reflns_used    37473
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     3298.14(15)
_computing_cell_refinement       'Denzo (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo (Nonius B.V., 1998)'
_computing_molecular_graphics    'PLATON 2003 (Spek, 2003)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0570
_diffrn_reflns_av_unetI/netI     0.0613
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            20789
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.503
_diffrn_reflns_theta_min         1.560
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.272
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_description       plate
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.413
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         7485
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0762
_refine_ls_R_factor_gt           0.0439
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0364P)^2^+1.5692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.1033
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5330
_reflns_number_total             7485
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nj01609g2.cif
_cod_data_source_block           mdld100408_02
_cod_depositor_comments
'Adding full bibliography for 7057453--7057456.cif.'
_cod_database_code               7057456
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              52596