Three closely related (2<i>E</i>,2'<i>E</i>)-3,3'-(1,4-phenyl-ene)bis-[1-(meth-oxy-phen-yl)prop-2-en-1-ones]: supra-molecular assemblies in one dimension mediated by hydrogen bonding and C-H⋯π inter-actions.
Sim, Aijia; Chidan Kumar, C. S.; Kwong, Huey Chong; Then, Li Yee; Win, Yip-Foo; Quah, Ching Kheng; Naveen, S.; Chandraju, S.; Lokanath, N. K.; Warad, Ismail; Acta crystallographica. Section E, Crystallographic communications 73 (2017) 896–900; doi:10.1107/S2056989017007460

data_2311380
_publ_section_title
;
 Three closely related
 (2<i>E</i>,2'<i>E</i>)-3,3'-(1,4-phenyl-ene)bis-[1-(meth-oxy-phen-yl)prop-2-en-1-ones]:
 supra-molecular assemblies in one dimension mediated by hydrogen bonding
 and C-H&#x22EF;\p inter-actions.
;
_journal_coeditor_code           HB7678
_journal_issue                   'Pt 6'
_journal_name_full
'Acta crystallographica. Section E, Crystallographic communications'
_journal_page_first              896
_journal_page_last               900
_journal_paper_doi               10.1107/S2056989017007460
_journal_volume                  73
_journal_year                    2017
_chemical_formula_iupac          'C26 H22 O4'
_chemical_formula_moiety         'C26 H22 O4'
_chemical_formula_sum            'C26 H22 O4'
_chemical_formula_weight         398.43
_chemical_name_systematic
(2<i>E</i>,2'<i>E</i>)-3,3'-(1,4-Phenylene)bis[1-(2-methoxyphenyl)prop-2-en-1-one]
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 101.898(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.1078(11)
_cell_length_b                   24.544(4)
_cell_length_c                   6.0449(9)
_cell_measurement_reflns_used    3004
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      2.93
_cell_volume                     1031.9(3)
_computing_cell_refinement
;
SAINT (Bruker, 2012)
;
_computing_data_collection
;
APEX2 (Bruker, 2012)
;
_computing_data_reduction
;
SAINT (Bruker, 2012)
;
_computing_molecular_graphics
;
SHELXL2013 (Sheldrick, 2015) and Mercury (Macrae <i>et al.</i>,
2006)
;
_computing_publication_material
;
SHELXL2013 (Sheldrick, 2015) and PLATON (Spek, 2009)
;
_computing_structure_refinement
;
SHELXL2013 (Sheldrick, 2015)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type
;
Bruker APEXII DUO CCD area-detector
;
_diffrn_measurement_method       '\f and \w scans'
_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  0.0237
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            8322
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.798
_diffrn_reflns_theta_min         1.659
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.985
_exptl_absorpt_correction_T_min  0.883
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(<i>SADABS</i>; Bruker, 2012)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_description       block
_exptl_crystal_F_000             420
_exptl_crystal_size_max          0.388
_exptl_crystal_size_mid          0.351
_exptl_crystal_size_min          0.177
_refine_diff_density_max         0.192
_refine_diff_density_min         -0.139
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         2183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0402
_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^)+(0.0541P)^2^+0.2315P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1087
_refine_ls_wR_factor_ref         0.1192
_reflns_number_gt                1705
_reflns_number_total             2183
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            hb7678sup1.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2311380
_shelx_estimated_absorpt_t_min   0.967
_shelx_estimated_absorpt_t_max   0.985
_shelx_hkl_checksum              1748
_shelx_res_checksum              18710
_shelxl_version_number           20.13