<i>rac</i>-Ethyl 6-hydroxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexahydrobenzo[<i>c</i>][1,2]oxazole-5-carboxylate
Ismiyev, Arif I.; Maharramov, Abel M.; Rashidov, Bahruz A.; Mammadova, Gunay Z.; Askerov, Rizvan K.; Acta Crystallographica Section E 67 (2011) o3018–; doi:10.1107/S1600536811042395

data_2232368
_publ_section_title
;
 <i>rac</i>-Ethyl
 6-hydroxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexahydrobenzo[<i>c</i>][1,2]oxazole-5-carboxylate
;
_journal_coeditor_code           KP2333
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3018
_journal_paper_doi               10.1107/S1600536811042395
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C17 H19 N O5'
_chemical_formula_moiety         'C17 H19 N O5'
_chemical_formula_sum            'C17 H19 N O5'
_chemical_formula_weight         317.33
_chemical_name_systematic
;
<i>rac</i>-Ethyl 6-hydroxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-
hexahydrobenzo[<i>c</i>][1,2]oxazole-5-carboxylate
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.882(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.0712(6)
_cell_length_b                   13.4343(13)
_cell_length_c                   10.0821(10)
_cell_measurement_reflns_used    1319
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.78
_cell_measurement_theta_min      2.54
_cell_volume                     816.39(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       'phi and omega scans'
_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  0.0494
_diffrn_reflns_av_sigmaI/netI    0.0776
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            9534
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9812
_exptl_absorpt_correction_T_min  0.9719
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1998)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.291
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.151
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         4059
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.1138
_refine_ls_R_factor_gt           0.0586
_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^)+(0.0469P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0997
_refine_ls_wR_factor_ref         0.1151
_reflns_number_gt                2458
_reflns_number_total             4059
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            kp2333.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2232368
_cod_database_fobs_code          2232368