(1<i>E</i>,4<i>E</i>)-1,5-Bis(2,4,5-trimethoxyphenyl)penta-1,4-dien-3-one
Fun, Hoong-Kun; Ruanwas, Pumsak; Chantrapromma, Suchada; Acta Crystallographica Section E 66 (2010) o307–o308; doi:10.1107/S1600536809055421

data_2224972
_publ_section_title
;
 (1<i>E</i>,4<i>E</i>)-1,5-Bis(2,4,5-trimethoxyphenyl)penta-1,4-dien-3-one
;
_journal_coeditor_code           HB5282
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o307
_journal_page_last               o308
_journal_paper_doi               10.1107/S1600536809055421
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C23 H26 O7'
_chemical_formula_moiety         'C23 H26 O7'
_chemical_formula_sum            'C23 H26 O7'
_chemical_formula_weight         414.44
_chemical_melting_point_gt       441
_chemical_melting_point_lt       442
_chemical_name_systematic
;
(1<i>E</i>,4<i>E</i>)-1,5-Bis(2,4,5-trimethoxyphenyl)penta-1,4-dien-3-one
;
_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                 107.7370(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   9.41570(10)
_cell_length_b                   36.8613(5)
_cell_length_c                   19.1226(3)
_cell_measurement_reflns_used    18387
_cell_measurement_temperature    100
_cell_measurement_theta_max      30.00
_cell_measurement_theta_min      1.10
_cell_volume                     6321.49(15)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0457
_diffrn_reflns_av_sigmaI/netI    0.0526
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       51
_diffrn_reflns_limit_k_min       -45
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            81495
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.10
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.965
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2640
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.375
_refine_diff_density_min         -0.255
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     829
_refine_ls_number_reflns         18387
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.1062
_refine_ls_R_factor_gt           0.0668
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0517P)^2^+4.2947P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1295
_refine_ls_wR_factor_ref         0.1498
_reflns_number_gt                12498
_reflns_number_total             18387
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb5282.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_sg_symbol_H-M      'P 21/c'
_cod_database_code               2224972
_cod_database_fobs_code          2224972