Piezoluminescence and Liquid Crystallinity of 4,4′-(9,10-Anthracenediyl)bispyridinium Salts
Kohmoto, Shigeo; Chuko, Tomotaka; Hisamatsu, Shugo; Okuda, Yasuhiro; Masu, Hyuma; Takahashi, Masahiro; Kishikawa, Keiki; Crystal Growth & Design 15 (2015) 2723–; doi:10.1021/acs.cgd.5b00028

data_4512954
_publ_section_title
;
 Piezoluminescence and Liquid Crystallinity of
 4,4&#x2032;-(9,10-Anthracenediyl)bispyridinium Salts
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2723
_journal_paper_doi               10.1021/acs.cgd.5b00028
_journal_volume                  15
_journal_year                    2015
_chemical_formula_sum            'C48 H50 Cl2 N2 O8'
_chemical_formula_weight         853.80
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 126.2930(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   29.258(2)
_cell_length_b                   8.1420(6)
_cell_length_c                   22.6504(17)
_cell_measurement_temperature    173.(2)
_cell_volume                     4349.0(5)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173.(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'graphite '
_diffrn_radiation_type           'MoK\a '
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0222
_diffrn_reflns_av_sigmaI/netI    0.0295
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            11845
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         2.23
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.206
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.92
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1800
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.545
_refine_diff_density_min         -0.389
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         4895
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0495
_refine_ls_R_factor_gt           0.0397
_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^)+(0.0475P)^2^+3.9260P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1027
_refine_ls_wR_factor_ref         0.1090
_reflns_number_gt                4044
_reflns_number_total             4895
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cg5b00028_si_002.cif
_cod_data_source_block           1/1a(EtOAc)_a130722his2
_cod_depositor_comments
'Adding full bibliography for 4512954--4512957.cif.'
_cod_original_cell_volume        4349.0(6)
_cod_database_code               4512954
_shelx_res_checksum              54536
_shelx_hkl_checksum              95971