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_4506636
_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, 0.5(C4 H12 N2)'
_chemical_formula_sum            'C16 H16 N2 O3'
_chemical_formula_weight         284.31
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.8579(7)
_cell_length_b                   10.9170(9)
_cell_length_c                   32.253(3)
_cell_measurement_reflns_used    18548
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      3.14
_cell_volume                     2766.8(4)
_computing_cell_refinement       'CrystalClear SM Expert version2.0'
_computing_data_collection       'CrystalClear SM Expert version2.0'
_computing_data_reduction        'CrystalClear SM Expert version2.0'
_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 XtaLAB mini CCD Area Detector System'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0608
_diffrn_reflns_av_sigmaI/netI    0.0365
_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       41
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            24323
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.26
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9896
_exptl_absorpt_correction_T_min  0.8135
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Absorption was corrected by ABSCOR'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.163
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         3161
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0790
_refine_ls_R_factor_gt           0.0516
_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^)+(0.0466P)^2^+0.8619P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1090
_refine_ls_wR_factor_ref         0.1199
_reflns_number_gt                2228
_reflns_number_total             3161
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg300454q_si_002.cif
_cod_data_source_block           1e
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4506636