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_4506632
_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, C5 H7 N2'
_chemical_formula_sum            'C19 H17 N3 O3'
_chemical_formula_weight         335.36
_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                 111.7430(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.7827(3)
_cell_length_b                   6.19480(10)
_cell_length_c                   15.6531(3)
_cell_measurement_reflns_used    13923
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      68.21
_cell_measurement_theta_min      3.04
_cell_volume                     1691.74(5)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku VM-SPIDER IP Area Detector System'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode X-ray tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54186
_diffrn_reflns_av_R_equivalents  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0207
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18664
_diffrn_reflns_theta_full        68.22
_diffrn_reflns_theta_max         68.22
_diffrn_reflns_theta_min         5.07
_exptl_absorpt_coefficient_mu    0.745
_exptl_absorpt_correction_T_max  0.9687
_exptl_absorpt_correction_T_min  0.8319
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Absorption was corrected by ABSCOR'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.136
_refine_diff_density_min         -0.119
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.141
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         3102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.0522
_refine_ls_R_factor_gt           0.0397
_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^)+(0.0599P)^2^+0.1657P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1114
_refine_ls_wR_factor_ref         0.1250
_reflns_number_gt                2324
_reflns_number_total             3102
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg300454q_si_002.cif
_cod_data_source_block           1a
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4506632