Planar and distorted indigo as the core motif in novel chromophoric liquid crystals
Porada, Jan H.; Neudörfl, Jörg-M.; Blunk, Dirk; New J. Chem. 39 (2015) 8291–; doi:10.1039/C5NJ01594D

data_7055041
_publ_section_title
;
 Planar and distorted indigo as the core motif in novel chromophoric
 liquid crystals
;
_journal_issue                   11
_journal_name_full               'New J. Chem.'
_journal_page_first              8291
_journal_paper_doi               10.1039/C5NJ01594D
_journal_volume                  39
_journal_year                    2015
_chemical_formula_moiety         'C56 H70 N2 O6'
_chemical_formula_sum            'C56 H70 N2 O6'
_chemical_formula_weight         867.14
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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-97
_audit_update_record
;
2014-11-12 deposited with the CCDC.
2015-07-28 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 104.6630(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3342(8)
_cell_length_b                   55.144(5)
_cell_length_c                   10.6926(10)
_cell_measurement_reflns_used    17123
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      0.74
_cell_volume                     4754.1(8)
_computing_cell_refinement       'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_molecular_graphics    'SCHAKAL99 (E. Keller 1999)'
_computing_publication_material  'PLATON (A. L. Spek 1980-2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       Phi/Omega-Scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0583
_diffrn_reflns_av_sigmaI/netI    0.0950
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       70
_diffrn_reflns_limit_k_min       -50
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            17123
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         0.74
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1872
_exptl_crystal_size_max          .2
_exptl_crystal_size_mid          .2
_exptl_crystal_size_min          .05
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.918
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     581
_refine_ls_number_reflns         10140
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.918
_refine_ls_R_factor_all          0.1040
_refine_ls_R_factor_gt           0.0475
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0657P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1320
_reflns_number_gt                5859
_reflns_number_total             10140
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5nj01594d2.cif
_cod_data_source_block           japo208n
_cod_depositor_comments
'Adding full bibliography for 7055040--7055041.cif.'
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7055041