Crystal structure of (5'<i>S</i>,8'<i>S</i>)-3-(2,5-dimethylphenyl)-8-methoxy-3-nitro-1-azaspiro[4.5]decane-2,4-dione
Hu, Gao-Bo; Jiang, Da-Wei; Li, Jiang-Yan; Rao, Yan; Jiang, Li-Yuan; Acta Crystallographica Section E 71 (2015) o238–o239; doi:10.1107/S2056989015004715

data_2240486
_publ_section_title
;
 Crystal structure of
 (5'<i>S</i>,8'<i>S</i>)-3-(2,5-dimethylphenyl)-8-methoxy-3-nitro-1-azaspiro[4.5]decane-2,4-dione
;
_journal_coeditor_code           HB7342
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o238
_journal_page_last               o239
_journal_paper_doi               10.1107/S2056989015004715
_journal_volume                  71
_journal_year                    2015
_chemical_formula_iupac          'C18 H22 N2 O5'
_chemical_formula_moiety         'C18 H22 N2 O5'
_chemical_formula_sum            'C18 H22 N2 O5'
_chemical_formula_weight         346.38
_chemical_name_systematic
(5'<i>S</i>,8'<i>S</i>)-3-(2,5-Dimethylphenyl)-8-methoxy-3-nitro-1-azaspiro[4.5]decane-2,4-dione
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.703(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5707(9)
_cell_length_b                   8.4181(7)
_cell_length_c                   22.8720(19)
_cell_measurement_reflns_used    2205
_cell_measurement_temperature    170.1
_cell_measurement_theta_max      29.5063
_cell_measurement_theta_min      3.2414
_cell_volume                     1810.7(3)
_computing_cell_refinement
;
CrysAlis PRO (Agilent, 2011)
;
_computing_data_collection
;
CrysAlis PRO (Agilent, 2011)
;
_computing_data_reduction
;
CrysAlis PRO (Agilent, 2011)
;
_computing_molecular_graphics
;
OLEX2 (Dolomanov <i>et al.</i>,  2009)
;
_computing_publication_material
;
OLEX2 (Dolomanov <i>et al.</i>,  2009)
;
_computing_structure_refinement
;
SHELXL97 (Sheldrick, 2008)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      170.1
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Agilent Xcalibur (Atlas, Gemini ultra)'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0341
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            6891
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.25
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.95421
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Agilent, 2011)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.598
_refine_diff_density_min         -0.309
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3308
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0662
_refine_ls_R_factor_gt           0.0500
_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^)+(0.0602P)^2^+0.8521P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1259
_refine_ls_wR_factor_ref         0.1390
_reflns_number_gt                2600
_reflns_number_total             3308
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb7342sup1.cif
_cod_data_source_block           I
_cod_database_code               2240486
_cod_database_fobs_code          2240486