5,6-Dimethyl-2-[(5-methyl-1,2-oxazol-3-yl)methyl]-1-(prop-2-en-1-yl)-1<i>H</i>-1,3-benzodiazole
Benyahya, Mohamed Ali; El Azzaoui, Brahim; Sebbar, Nada Kheira; Ouzidan, Younes; Essassi, El Mokhtar; Mague, Joel T.; IUCrData 2 (2017) x170647–; doi:10.1107/S2414314617006472

data_1546686
_publ_section_title
;
 5,6-Dimethyl-2-[(5-methyl-1,2-oxazol-3-yl)methyl]-1-(prop-2-en-1-yl)-1<i>H</i>-1,3-benzodiazole
;
_journal_coeditor_code           HG4022
_journal_issue                   7
_journal_name_full               IUCrData
_journal_page_first              x170647
_journal_paper_doi               10.1107/S2414314617006472
_journal_volume                  2
_journal_year                    2017
_chemical_formula_iupac          'C17 H19 N3 O'
_chemical_formula_moiety         'C17 H19 N3 O'
_chemical_formula_sum            'C17 H19 N3 O'
_chemical_formula_weight         281.35
_chemical_name_systematic
5,6-Dimethyl-2-[(5-methyl-1,2-oxazol-3-yl)methyl]-1-(prop-2-en-1-yl)-1<i>H</i>-1,3-benzodiazole
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 99.911(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.6067(6)
_cell_length_b                   5.5438(2)
_cell_length_c                   14.0069(5)
_cell_measurement_reflns_used    5620
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      69.9913
_cell_measurement_theta_min      4.5788
_cell_volume                     1499.77(9)
_computing_cell_refinement
;
<i>SAINT</i> (Bruker, 2016)
;
_computing_data_collection
;
<i>APEX3</i> (Bruker, 2016)
;
_computing_data_reduction
;
<i>SAINT</i>  (Bruker, 2016)
;
_computing_molecular_graphics
;
<i>DIAMOND</i> (Brandenburg & Putz, 2012)
;
_computing_publication_material
;
<i>SHELXTL</i> (Sheldrick, 2008)
;
_computing_structure_refinement
;
<i>SHELXL2014/7</i> (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
<i>SHELXT</i> (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker D8 VENTURE PHOTON 100 CMOS'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0588
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10867
_diffrn_reflns_theta_full        69.900
_diffrn_reflns_theta_max         69.985
_diffrn_reflns_theta_min         2.287
_exptl_absorpt_coefficient_mu    0.630
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.86
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(<i>SADABS</i>; Bruker, 2016)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.115
_exptl_crystal_size_mid          0.069
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.198
_refine_diff_density_min         -0.226
_refine_ls_extinction_coef       0.0045(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method
;
<i>SHELXL 2014/7</i> (Sheldrick, 2015<i>b</i>)
;
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     267
_refine_ls_number_reflns         2825
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0465
_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^)+(0.0433P)^2^+0.5009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1003
_refine_ls_wR_factor_ref         0.1112
_reflns_number_gt                2121
_reflns_number_total             2825
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            hg4022sup1.cif
_cod_data_source_block           I
_cod_database_code               1546686
_cod_database_fobs_code          1546686
_shelx_estimated_absorpt_t_min   0.931
_shelx_estimated_absorpt_t_max   0.994
_shelx_hkl_checksum              66899
_shelx_res_checksum              71426