Crystal structures of (<i>E</i>)-3-(4-hydroxybenzylidene)chroman-4-one and (<i>E</i>)-3-(3-hydroxybenzylidene)-2-phenylchroman-4-one
Suchojad, Kamil; Dołega, Anna; Adamus-Grabicka, Angelika; Budzisz, Elżbieta; Małecka, Magdalena; Acta Crystallographica Section E 75 (2019) 1907–1913; doi:10.1107/S2056989019015639

data_2243207
_publ_section_title
;
 Crystal structures of (<i>E</i>)-3-(4-hydroxybenzylidene)chroman-4-one
 and (<i>E</i>)-3-(3-hydroxybenzylidene)-2-phenylchroman-4-one
;
_journal_coeditor_code           RZ5266
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              1907
_journal_page_last               1913
_journal_paper_doi               10.1107/S2056989019015639
_journal_volume                  75
_journal_year                    2019
_chemical_formula_iupac          'C22 H16 O3'
_chemical_formula_moiety         'C22 H16 O3'
_chemical_formula_sum            'C22 H16 O3'
_chemical_formula_weight         328.37
_chemical_melting_point          210
_chemical_name_systematic
;
(<i>E</i>)-3-(3-Hydroxybenzylidene)-2-phenylchroman-4-one
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     difmap
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                91.992(12)
_cell_angle_beta                 98.282(10)
_cell_angle_gamma                97.568(10)
_cell_formula_units_Z            2
_cell_length_a                   5.3969(6)
_cell_length_b                   11.6576(16)
_cell_length_c                   12.944(2)
_cell_measurement_reflns_used    3650
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      29.52
_cell_measurement_theta_min      3.53
_cell_volume                     797.66(19)
_computing_cell_refinement
;
X-AREA (Stoe & Cie, 2002)
;
_computing_data_collection
;
X-AREA (Stoe & Cie, 2002)
;
_computing_data_reduction
;
X-AREA (Stoe & Cie, 2002), XRED32 (Stoe & Cie, 2002)
;
_computing_publication_material
;
<i>SHELXL2014/7</i> (Sheldrick, 2015b), publCIF (Westrip, 2010)
;
_computing_structure_refinement
;
<i>SHELXL2014/7</i> (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXT (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0773
_diffrn_reflns_av_unetI/netI     0.0928
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6849
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.498
_diffrn_reflns_theta_min         3.531
_diffrn_source                   'GeniX Mo, 0.05 x 0.05 mm2 microfocus'
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_description       plate
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.234
_refine_diff_density_min         -0.292
_refine_ls_extinction_coef       0.041(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.944
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3281
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.944
_refine_ls_R_factor_all          0.1371
_refine_ls_R_factor_gt           0.0676
_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^)+(0.1159P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1679
_refine_ls_wR_factor_ref         0.1999
_reflns_number_gt                1804
_reflns_number_total             3281
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            rz5266sup1.cif
_cod_data_source_block           II
_cod_original_cell_volume        797.68(19)
_cod_database_code               2243207
_cod_database_fobs_code          2243207
_shelx_hkl_checksum              92286
_shelx_res_checksum              29666