<i>Exo</i> Diels–Alder adducts between <i>ortho</i>- and <i>para</i>-<i>N</i>-acetoxyphenylmaleimides and furan
Jose G. Trujillo-Ferrara; Efrén V. García-Báez; Itzia I. Padilla-Martínez; Francisco J. Martínez-Martínez; Norberto Farfan-García; Acta Crystallographica Section C 60 (2004) o427–o430; doi:10.1107/S0108270104008224

data_2013935
_publ_section_title
;
 <i>Exo</i> Diels--Alder adducts between <i>ortho</i>- and
 <i>para</i>-<i>N</i>-acetoxyphenylmaleimides and furan
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o427
_journal_page_last               o430
_journal_paper_doi               10.1107/S0108270104008224
_journal_volume                  60
_journal_year                    2004
_chemical_formula_moiety         'C16 H13 N O5'
_chemical_formula_sum            'C16 H13 N O5'
_chemical_formula_weight         299.27
_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
_audit_creation_method           'SHELXL-CIF-file updated by CIFRTF'
_cell_angle_alpha                90.00
_cell_angle_beta                 101.962(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.7030(10)
_cell_length_b                   15.8560(10)
_cell_length_c                   18.8450(19)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      11
_cell_volume                     2836.4(4)
_computing_cell_refinement       CAD4-express
_computing_data_collection       'CAD4-Express (Enraf Nonius, 1992)'
_computing_data_reduction        'JANA98 (Vaclav, 1998)'
_computing_molecular_graphics    'WinGX (Farrugia, 1999)'
_computing_publication_material  'SHELXL97 and RESVIEW (Schwenk, 1996)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 3
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0340
_diffrn_reflns_av_sigmaI/netI    0.0866
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5538
_diffrn_reflns_theta_full        25.97
_diffrn_reflns_theta_max         25.97
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        3
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'square prism'
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.35
_refine_diff_density_min         -0.35
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.928
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     400
_refine_ls_number_reflns         5538
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.928
_refine_ls_R_factor_all          0.1441
_refine_ls_R_factor_gt           0.0425
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0646P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1193
_refine_ls_wR_factor_ref         0.1473
_reflns_number_gt                2253
_reflns_number_total             5538
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bm1565.cif
_cod_data_source_block           II
_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/n'
_cod_database_code               2013935
_cod_database_fobs_code          2013935