(5<i>S</i>,6<i>R</i>)-4,5-Dimethyl-6-phenylmorpholine-2,3-dione
Ji-Dan Yan; Ming Lu; Yu-Ping Guo; Chun-Bao Li; Xiang-Yang Tang; Acta Crystallographica Section E 61 (2005) o2167–o2168; doi:10.1107/S160053680501682X

data_2206231
_publ_section_title
;
 (5<i>S</i>,6<i>R</i>)-4,5-Dimethyl-6-phenylmorpholine-2,3-dione
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2167
_journal_page_last               o2168
_journal_paper_doi               10.1107/S160053680501682X
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C12 H13 N O3'
_chemical_formula_moiety         'C12 H13 N O3'
_chemical_formula_sum            'C12 H13 N O3'
_chemical_formula_weight         219.23
_chemical_melting_point          455
_chemical_name_systematic
;
(5S,6R)-4,5-Dimethyl-6-phenylmorpholine-2,3-dione
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 93.826(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.3829(11)
_cell_length_b                   6.7658(10)
_cell_length_c                   11.1074(17)
_cell_measurement_reflns_used    1600
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.61
_cell_measurement_theta_min      3.42
_cell_volume                     553.59(14)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SMART
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_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  0.0150
_diffrn_reflns_av_sigmaI/netI    0.0171
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3758
_diffrn_reflns_theta_full        28.05
_diffrn_reflns_theta_max         28.05
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             232.0
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.148
_refine_diff_density_min         -0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         1454
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0364
_refine_ls_R_factor_gt           0.0312
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.048P)^2^+0.0289P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0844
_refine_ls_wR_factor_ref         0.0870
_reflns_number_gt                1263
_reflns_number_total             1454
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6437.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2206231
_cod_database_fobs_code          2206231