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_7234760
_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_moiety         'C26 H25 N3 O3'
_chemical_formula_sum            'C26 H25 N3 O3'
_chemical_formula_weight         427.49
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-05-01 deposited with the CCDC.    2019-10-14 downloaded from the CCDC.
;
_cell_angle_alpha                91.4149(17)
_cell_angle_beta                 101.2974(16)
_cell_angle_gamma                104.8661(16)
_cell_formula_units_Z            2
_cell_length_a                   6.5794(3)
_cell_length_b                   11.6584(6)
_cell_length_c                   14.6736(8)
_cell_measurement_reflns_used    9945
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.144
_cell_measurement_theta_min      3.247
_cell_volume                     1063.45(9)
_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 0.999
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_unetI/netI     0.0219
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            21868
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.143
_diffrn_reflns_theta_min         3.247
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9281
_exptl_absorpt_correction_T_min  0.8930
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.390
_exptl_crystal_size_min          0.260
_refine_diff_density_max         0.233
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         4698
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0490
_refine_ls_R_factor_gt           0.0406
_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^)+(0.0642P)^2^+0.4399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1103
_refine_ls_wR_factor_ref         0.1182
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3997
_reflns_number_total             4698
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ra07598d2.cif
_cod_data_source_block           jm131
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7234760
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.957
_shelx_estimated_absorpt_t_max   0.977
_shelx_res_checksum              29983