Structural tuning enables piezochromic and photochemical properties in N-aryl-β-enaminones
Hsieh, Wan-Chi; Manjappa, Kiran B.; Yang, Ding-Yah; RSC Advances 9 (2019) 34088–; doi:10.1039/C9RA07598D

data_7234761
_publ_section_title
;
 Structural tuning enables piezochromic and photochemical properties in
 N-aryl-\b-enaminones
;
_journal_issue                   58
_journal_name_full               'RSC Advances'
_journal_page_first              34088
_journal_paper_doi               10.1039/C9RA07598D
_journal_volume                  9
_journal_year                    2019
_chemical_formula_sum            'C20 H21 N O2 S'
_chemical_formula_weight         339.44
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-09-14 deposited with the CCDC.    2019-10-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 117.6742(13)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.3776(4)
_cell_length_b                   17.4561(5)
_cell_length_c                   10.9103(4)
_cell_measurement_reflns_used    9895
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.881
_cell_measurement_theta_min      3.219
_cell_volume                     1750.33(11)
_computing_cell_refinement       'SAINT V7.34A (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V7.34A (Bruker AXS, 2006)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0365
_diffrn_reflns_av_unetI/netI     0.0204
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            31618
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.879
_diffrn_reflns_theta_min         3.145
_exptl_absorpt_coefficient_mu    0.196
_exptl_absorpt_correction_T_max  0.9281
_exptl_absorpt_correction_T_min  0.8762
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.330
_exptl_crystal_size_min          0.190
_refine_diff_density_max         2.277
_refine_diff_density_min         -1.477
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         4149
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.161
_refine_ls_R_factor_all          0.1025
_refine_ls_R_factor_gt           0.0956
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1066P)^2^+5.6237P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2513
_refine_ls_wR_factor_ref         0.2570
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3745
_reflns_number_total             4149
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ra07598d2.cif
_cod_data_source_block           bmk5735
_cod_database_code               7234761
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.922
_shelx_estimated_absorpt_t_max   0.964
_shelx_res_checksum              35171