4-Methoxy-<i>N</i>'-(2-methoxynaphthylidene)benzohydrazide
Qiu, Xiao-Yang; Acta Crystallographica Section E 64 (2008) o1831–; doi:10.1107/S1600536808026974

data_2219240
_publ_section_title
;
 4-Methoxy-<i>N</i>'-(2-methoxynaphthylidene)benzohydrazide
;
_journal_coeditor_code           BH2188
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1831
_journal_paper_doi               10.1107/S1600536808026974
_journal_volume                  64
_journal_year                    2008
_chemical_formula_moiety         'C20 H18 N2 O3'
_chemical_formula_sum            'C20 H18 N2 O3'
_chemical_formula_weight         334.36
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 110.288(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.675(3)
_cell_length_b                   17.937(4)
_cell_length_c                   8.508(3)
_cell_measurement_reflns_used    1254
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.5
_cell_measurement_theta_min      2.5
_cell_volume                     1671.2(8)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       \w
_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  0.0478
_diffrn_reflns_av_sigmaI/netI    0.0621
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            9333
_diffrn_reflns_theta_full        26.60
_diffrn_reflns_theta_max         26.60
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9839
_exptl_absorpt_correction_T_min  0.9821
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS;Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.182
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.970
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     231
_refine_ls_number_reflns         3445
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.1275
_refine_ls_R_factor_gt           0.0554
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0631P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1191
_refine_ls_wR_factor_ref         0.1483
_reflns_number_gt                1657
_reflns_number_total             3445
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bh2188.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2219240
_cod_database_fobs_code          2219240