Seed-triggered solid-to-solid transformation between color polymorphs: Striking differences between quasi-isomorphous crystals of dichloro-substituted salicylideneaniline regioisomers
Zhang, Zaixiang; SUZUKI, Masahiro; YANG, Yu; Yoshikawa, Isao; Yin, Qiuxiang; Houjou, Hirohiko; CrystEngComm  (2020) –; doi:10.1039/D0CE00679C

data_7240816
_publ_section_title
;
 Seed-triggered solid-to-solid transformation between color polymorphs:
 Striking differences between quasi-isomorphous crystals of
 dichloro-substituted salicylideneaniline regioisomers
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00679C
_journal_year                    2020
_chemical_formula_moiety         'C13 H9 Cl2 N O'
_chemical_formula_sum            'C13 H9 Cl2 N O'
_chemical_formula_weight         266.11
_chemical_melting_point          '417 (or phase transiiton to orange form)'
_chemical_name_common
N-(2-Hydroxy-4-chlorobenzylidene)-4-chloroaniline
_chemical_name_systematic        N-(4?-chlorosalicylidene)-4-chloroaniline
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2yc'
_space_group_name_H-M_alt        'I 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/1
_audit_update_record
;
2020-05-05 deposited with the CCDC.	2020-07-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.26(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.140(5)
_cell_length_b                   6.848(6)
_cell_length_c                   27.39(2)
_cell_measurement_reflns_used    1729
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.00
_cell_volume                     1146.8(16)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r3'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r3 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r3'
_computing_molecular_graphics    'CrystalStructure 4.2.4'
_computing_publication_material  'CrystalStructure 4.2.4 (Rigaku, 2016)'
_computing_structure_refinement  'SHELXL-2018/1 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS Version 2013/1 (Sheldrick, 2008)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'VariMax DW with Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0503
_diffrn_reflns_av_unetI/netI     0.0375
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            6509
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.450
_diffrn_reflns_theta_min         2.987
_exptl_absorpt_coefficient_mu    0.545
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.718
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.541
_exptl_crystal_description       plate
_exptl_crystal_F_000             544
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetone'
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.270
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.352
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     81
_refine_ls_number_reflns         1298
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0447
_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^)+(0.0272P)^2^+2.8523P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0967
_refine_ls_wR_factor_ref         0.1002
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1176
_reflns_number_total             1298
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00679c3.cif
_cod_data_source_block           4CC-y
_cod_original_sg_symbol_H-M      I2/c
_cod_database_code               7240816
_shelx_shelxl_version_number     2018/1
_shelx_estimated_absorpt_t_min   0.854
_shelx_estimated_absorpt_t_max   0.984
_shelx_res_checksum              49884