3-[(2,4-Diethoxyphenyl)(hydroxy)methylene]-1-isopropylpyrrolidine-2,4-dione
Gui-Sheng Yu; Hai-Zhen Xu; You-Quan Zhu; Acta Crystallographica Section E 63 (2007) o3384–o3384; doi:10.1107/S1600536807030759

data_2214861
_publ_section_title
;
 3-[(2,4-Diethoxyphenyl)(hydroxy)methylene]-1-isopropylpyrrolidine-2,4-dione
;
_journal_coeditor_code           SI2023
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3384
_journal_page_last               o3384
_journal_paper_doi               10.1107/S1600536807030759
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C18 H23 N O5'
_chemical_formula_moiety         'C18 H23 N O5'
_chemical_formula_sum            'C18 H23 N O5'
_chemical_formula_weight         333.37
_chemical_name_systematic
;
3-[(2,4-Diethoxyphenyl)(hydroxy)methylene]-1-isopropylpyrrolidine-2,4-dione
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 99.518(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.513(7)
_cell_length_b                   8.135(4)
_cell_length_c                   16.312(8)
_cell_measurement_reflns_used    2383
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      23.72
_cell_measurement_theta_min      2.81
_cell_volume                     1768.5(15)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1999)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0515
_diffrn_reflns_av_sigmaI/netI    0.0585
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9501
_diffrn_reflns_theta_full        26.44
_diffrn_reflns_theta_max         26.44
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.975
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.165
_refine_diff_density_min         -0.207
_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     222
_refine_ls_number_reflns         3612
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.1028
_refine_ls_R_factor_gt           0.0519
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0745P)^2^+0.2597P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1237
_refine_ls_wR_factor_ref         0.1555
_reflns_number_gt                2072
_reflns_number_total             3612
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            si2023.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_Hall     '-P 2yn '
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2214861
_cod_database_fobs_code          2214861