Photochromism Control of Salicylideneaniline Derivatives by Acid–Base Co-Crystallization
Johmoto, Kohei; Sekine, Akiko; Uekusa, Hidehiro; Crystal Growth & Design 12 (2012) 4779–; doi:10.1021/cg300454q

data_4506641
_publ_section_title
;
 Photochromism Control of Salicylideneaniline Derivatives by Acid--Base
 Co-Crystallization
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4779
_journal_paper_doi               10.1021/cg300454q
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C14 H10 N O3, C14 H16 N'
_chemical_formula_sum            'C28 H26 N2 O3'
_chemical_formula_weight         438.51
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 110.397(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.5992(14)
_cell_length_b                   8.7313(7)
_cell_length_c                   18.0848(15)
_cell_measurement_reflns_used    11371
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      3.170
_cell_volume                     2308.7(3)
_computing_cell_refinement       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_collection       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_reduction        'PROCESS-AUTO (Rigaku, 1998)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID IP Area Detector System'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0351
_diffrn_reflns_av_sigmaI/netI    0.0202
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17307
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.16
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9975
_exptl_absorpt_correction_T_min  0.6913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Absorption was corrected by ABSCOR'
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.276
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.151
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         4223
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.151
_refine_ls_R_factor_all          0.0748
_refine_ls_R_factor_gt           0.0549
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0448P)^2^+0.8201P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1159
_refine_ls_wR_factor_ref         0.1252
_reflns_number_gt                3336
_reflns_number_total             4223
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg300454q_si_002.cif
_cod_data_source_block           2g
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4506641