<i>rac</i>-1-(6-Hydroxy-3,6-dimethyl-4-phenyl-4,5,6,7-tetrahydro-2,1-benzoxazol-5-yl)ethanone
Maharramov, Abel M.; Ismiyev, Arif I.; Rashidov, Bahruz A.; Acta Crystallographica Section E 66 (2010) o3030–; doi:10.1107/S1600536810043667

data_2227884
_publ_section_title
;
 <i>rac</i>-1-(6-Hydroxy-3,6-dimethyl-4-phenyl-4,5,6,7-tetrahydro-2,1-benzoxazol-5-yl)ethanone
;
_journal_coeditor_code           PB2043
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3030
_journal_paper_doi               10.1107/S1600536810043667
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C17 H19 N O3'
_chemical_formula_moiety         'C17 H19 N O3'
_chemical_formula_sum            'C17 H19 N O3'
_chemical_formula_weight         285.33
_chemical_name_systematic
;
<i>rac</i>-1-(6-Hydroxy-3,6-dimethyl-4-phenyl-4,5,6,7-tetrahydro-
2,1-benzoxazol-5-yl)ethanone
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.4960(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.1518(9)
_cell_length_b                   5.5353(3)
_cell_length_c                   17.2956(9)
_cell_measurement_reflns_used    5396
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.23
_cell_measurement_theta_min      2.42
_cell_volume                     1503.61(14)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2001)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT-Plus (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \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  0.0205
_diffrn_reflns_av_sigmaI/netI    0.0158
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            16629
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9829
_exptl_absorpt_correction_T_min  0.9746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1998)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.209
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3724
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0611
_refine_ls_R_factor_gt           0.0456
_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^)+(0.0748P)^2^+0.3882P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1257
_refine_ls_wR_factor_ref         0.1414
_reflns_number_gt                2840
_reflns_number_total             3724
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            pb2043.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2227884
_cod_database_fobs_code          2227884