3,5-Bis[4-(diethylamino)benzylidene]-1-methyl-4-piperidone and 3,5-bis[4-(diethylamino)cinnamylidene]-1-methyl-4-piperidone: prospective biophotonic materials
Vladimir N. Nesterov; Tatiana V. Timofeeva; Sergey S. Sarkisov; Alexander Leyderman; Charles Y.-C. Lee; Mikhail Yu. Antipin; Acta Crystallographica Section C 59 (2003) o605–o608; doi:10.1107/S0108270103020237

data_2013686
_publ_section_title
;
 3,5-Bis[4-(diethylamino)benzylidene]-1-methyl-4-piperidone and
 3,5-bis[4-(diethylamino)cinnamylidene]-1-methyl-4-piperidone:
 prospective biophotonic materials
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o605
_journal_page_last               o608
_journal_paper_doi               10.1107/S0108270103020237
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C28 H37 N3 O'
_chemical_formula_moiety         'C28 H37 N3 O'
_chemical_formula_sum            'C28 H37 N3 O'
_chemical_formula_weight         431.61
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 97.55(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2260(18)
_cell_length_b                   16.181(3)
_cell_length_c                   16.862(3)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      11
_cell_volume                     2495.4(8)
_computing_cell_refinement       'Enraf--Nonius CAD-4'
_computing_data_collection       'Enraf--Nonius CAD-4 (Enraf--Nonuis, 1989)'
_computing_data_reduction        'SHELXTL-Plus (Sheldrick, 1994)'
_computing_molecular_graphics    SHELXTL-Plus
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \q/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_sigmaI/netI    0.0532
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            5646
_diffrn_reflns_theta_full        26.97
_diffrn_reflns_theta_max         26.97
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        3
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.143
_refine_diff_density_min         -0.197
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.186
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         5319
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.186
_refine_ls_R_factor_all          0.1415
_refine_ls_R_factor_gt           0.0525
_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^)+(0.05P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1125
_refine_ls_wR_factor_ref         0.1328
_reflns_number_gt                2701
_reflns_number_total             5319
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sq1020.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2495.4(9)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2013686