Crystal structure of (E)-2-(4-hydroxy-3-methoxybenzylidene)-6-methoxy-3,4-dihydronaphthalen-1(2H)-one, C19H18O4
El-Sayed, Nahed N.E.; Almaneai, Norah M.; Ghabbour, Hazem A.; Alafeefy, Ahmed M.; Zeitschrift für Kristallographie - New Crystal Structures 232 (2017) 203–205; doi:10.1515/ncrs-2016-0195

data_8106482
_publ_section_title
;
 Crystal structure of
 (E)-2-(4-hydroxy-3-methoxybenzylidene)-6-methoxy-3,4-dihydronaphthalen-1(2H)-one,
 C19H18O4
;
_journal_issue                   2
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              203
_journal_page_last               205
_journal_paper_doi               10.1515/ncrs-2016-0195
_journal_volume                  232
_journal_year                    2017
_chemical_formula_sum            'C19 H18 O4'
_chemical_formula_weight         310.33
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      60
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.1472(8)
_cell_length_b                   9.7978(4)
_cell_length_c                   14.5181(6)
_cell_measurement_reflns_used    8339
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.64
_cell_measurement_theta_min      2.81
_cell_volume                     3008.1(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II D8 venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus micro tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1344
_diffrn_reflns_av_sigmaI/netI    0.0788
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            39151
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.29
_diffrn_standards_decay_%        .
_diffrn_standards_interval_count .
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.901
_exptl_absorpt_correction_T_min  0.814
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS_Bruker_2014
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.370
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.558
_exptl_crystal_size_mid          0.174
_exptl_crystal_size_min          0.085
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         3461
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0871
_refine_ls_R_factor_gt           0.0520
_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^)+(0.0310P)^2^+1.6400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1045
_refine_ls_wR_factor_ref         0.1194
_reflns_number_gt                2466
_reflns_number_total             3461
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2016-0195_suppl.cif
_cod_data_source_block           a_a
_cod_database_code               8106482