(±)-6-Benzyl-3,3-dimethylmorpholine-2,5-dione and its 5-monothio and 2,5-dithio derivatives
Linden, Anthony; Ghorbani-Salman Pour, Fatemeh; Breitenmoser, Roland A.; Heimgartner, Heinz; Acta Crystallographica Section C 57 (2001) 634–637; doi:10.1107/S0108270101003195

data_2011995
_publ_section_title
;
 (+-)-6-Benzyl-3,3-dimethylmorpholine-2,5-dione and its 5-monothio and
 2,5-dithio derivatives
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              634
_journal_page_last               637
_journal_paper_doi               10.1107/S0108270101003195
_journal_volume                  57
_journal_year                    2001
_chemical_formula_moiety         'C13 H15 N O3'
_chemical_formula_sum            'C13 H15 N O3'
_chemical_formula_weight         233.27
_chemical_melting_point          437.5(5)
_chemical_name_systematic
;
6-benzyl-3,3-dimethylmorpholine-2,5-dione
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                67.51(2)
_cell_angle_beta                 80.38(3)
_cell_angle_gamma                80.35(3)
_cell_formula_units_Z            2
_cell_length_a                   5.699(2)
_cell_length_b                   10.347(3)
_cell_length_c                   11.327(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    173.0(10)
_cell_measurement_theta_max      20.0
_cell_measurement_theta_min      19.0
_cell_volume                     604.5(4)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
; MSC/AFC Diffractometer Control Software (Molecular
Structure Corporation, 1991)
;
_computing_data_reduction
'TEXSAN (Molecular Structure Corporation, 1999)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL97 and PLATON (Spek, 2001)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173.0(10)
_diffrn_measured_fraction_theta_full .999
_diffrn_measured_fraction_theta_max .999
_diffrn_measurement_device_type  'Rigaku AFC-5R diffractometer'
_diffrn_measurement_method       '\w--2\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode generator'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71069
_diffrn_reflns_av_R_equivalents  .0249
_diffrn_reflns_av_sigmaI/netI    .0454
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            2927
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         3.39
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .0912
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             248
_exptl_crystal_size_max          .50
_exptl_crystal_size_mid          .38
_exptl_crystal_size_min          .12
_refine_diff_density_max         .266
_refine_diff_density_min         -.230
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         2773
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          .0913
_refine_ls_R_factor_gt           .0469
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0530P)^2^+0.1854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .1302
_reflns_number_gt                1859
_reflns_number_total             2773
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            sk1460.cif
_cod_data_source_block           IV
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '437-438' was changed to '437.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '437-438' was changed to '437.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               2011995
_cod_database_fobs_code          2011995