Hydrogen-bonded liquid crystals formed from 4-alkoxystilbazoles and chlorophenols
Johnson, Oliver D.; Wainwright, Stephen G.; Whitwood, Adrian C.; Bruce, Duncan W.; CrystEngComm 25 (2023) 2778–2788; doi:10.1039/D3CE00266G

data_7246620
_publ_section_title
;
 Hydrogen-bonded liquid crystals formed from 4-alkoxystilbazoles and
 chlorophenols
;
_journal_issue                   18
_journal_name_full               CrystEngComm
_journal_page_first              2778
_journal_page_last               2788
_journal_paper_doi               10.1039/D3CE00266G
_journal_volume                  25
_journal_year                    2023
_chemical_formula_moiety         'C6 H4 Cl2 O, C21 H27 N O'
_chemical_formula_sum            'C27 H31 Cl2 N O2'
_chemical_formula_weight         472.43
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2023-02-28
_audit_creation_method
;
Olex2 1.5
(compiled 2023.02.24 svn.rf166f9f3 for OlexSys, GUI svn.r6725)
;
_cell_angle_alpha                76.592(4)
_cell_angle_beta                 81.917(4)
_cell_angle_gamma                76.998(4)
_cell_formula_units_Z            2
_cell_length_a                   7.8919(15)
_cell_length_b                   11.242(2)
_cell_length_c                   14.800(3)
_cell_measurement_reflns_used    3186
_cell_measurement_temperature    110.15
_cell_measurement_theta_max      28.24
_cell_measurement_theta_min      2.60
_cell_volume                     1239.1(4)
_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    'SHELXS-1997  (Sheldrick, 2008)'
_diffrn_ambient_temperature      110.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0238
_diffrn_reflns_av_unetI/netI     0.0368
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12899
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.382
_diffrn_reflns_theta_min         1.901
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.286
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.840
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2.10; (Sheldrick)'
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_description       needle
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         6116
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0602
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0502P)^2^+0.2519P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0978
_refine_ls_wR_factor_ref         0.1073
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4675
_reflns_number_total             6116
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ce00266g2.cif
_cod_data_source_block           dwb1007m
_cod_depositor_comments
'Adding full bibliography for 7246619--7246622.cif.'
_cod_database_code               7246620
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.986
_shelx_estimated_absorpt_t_min   0.929
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C20(H20A,H20B), C21(H21A,H21B), C22(H22A,H22B), C23(H23A,H23B), C24(H24A,
 H24B), C25(H25A,H25B), C26(H26A,H26B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C6(H6), C7(H7), C8(H8), C10(H10), C11(H11), C12(H12),
 C13(H13), C15(H15), C16(H16), C18(H18), C19(H19)
2.c Idealised Me refined as rotating group:
 C27(H27A,H27B,H27C)
;
_shelx_res_checksum              84312
_shelx_hkl_checksum              66450
_olex2_submission_special_instructions 'No special instructions were received'