Relationship between crystal structures and photochromic properties of N-salicylideneaminopyridine derivatives
Sugiyama, Haruki; Uekusa, Hidehiro; CrystEngComm 20 (2018) 2144–; doi:10.1039/C8CE00003D

data_7230333
_publ_section_title
;
 Relationship between crystal structures and photochromic properties of
 N-salicylideneaminopyridine derivatives
;
_journal_issue                   15
_journal_name_full               CrystEngComm
_journal_page_first              2144
_journal_paper_doi               10.1039/C8CE00003D
_journal_volume                  20
_journal_year                    2018
_chemical_absolute_configuration unk
_chemical_compound_source        non-photochromic
_chemical_formula_moiety         'C14 H14 N2 O2'
_chemical_formula_sum            'C14 H14 N2 O2'
_chemical_formula_weight         242.27
_chemical_name_common            3OEt-3SAP
_chemical_name_systematic        3-ethoxy-6-[(E)-3-pyridyliminomethyl]phenol
_space_group_crystal_system      orthorhombic
_space_group_IT_number           43
_space_group_name_Hall           'F 2 -2d'
_space_group_name_H-M_alt        'F d d 2'
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-12-30 deposited with the CCDC.
2018-03-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   41.659(5)
_cell_length_b                   24.658(3)
_cell_length_c                   4.8420(6)
_cell_measurement_reflns_used    12219
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.476
_cell_measurement_theta_min      3.305
_cell_volume                     4973.8(10)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       RAPID-AUTO
_computing_data_reduction        RAPID-AUTO
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97(Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'RIGAKU R-AXIS RAPID'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0680
_diffrn_reflns_av_unetI/netI     0.0643
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       54
_diffrn_reflns_limit_h_min       -53
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            12219
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.476
_diffrn_reflns_theta_min         3.305
_diffrn_source                   'rotating anode x-ray'
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.993
_exptl_absorpt_correction_T_min  0.411
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   abscore,T.Higashi,RIGAKU
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_description       prizm
_exptl_crystal_F_000             2048
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: methanol'
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
; 
 Flack x determined using 614 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   -1.6(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     166
_refine_ls_number_reflns         2798
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0767
_refine_ls_R_factor_gt           0.0474
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0567P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1018
_refine_ls_wR_factor_ref         0.1202
_reflns_Friedel_coverage         0.751
_reflns_Friedel_fraction_full    0.972
_reflns_Friedel_fraction_max     0.950
_reflns_number_gt                1842
_reflns_number_total             2798
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00003d2.cif
_cod_data_source_block           shelx_CCDC18
_cod_depositor_comments
'Adding full bibliography for 7230315--7230335.cif.'
_cod_database_code               7230333
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.982
_shelx_estimated_absorpt_t_max   0.993
_shelx_res_checksum              89358