<i>p</i>-Nitrophenylmaleimide
Moreno-Fuquen, Rodolfo; Valencia, Hoover; Abonia, Rodrigo; Kennedy, Alan R.; Graham Duncan; Acta Crystallographica Section E 59 (2003) o1717–o1718; doi:10.1107/S1600536803022426

data_2202439
_publ_section_title
;
 <i>p</i>-Nitrophenylmaleimide
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1717
_journal_page_last               o1718
_journal_paper_doi               10.1107/S1600536803022426
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C10 H6 N2 O4'
_chemical_formula_moiety         'C10 H6 N2 O4'
_chemical_formula_sum            'C10 H6 N2 O4'
_chemical_formula_weight         218.17
_chemical_melting_point          436.0(10)
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.69(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.535(2)
_cell_length_b                   11.624(3)
_cell_length_c                   8.148(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      16
_cell_measurement_theta_min      8
_cell_volume                     939.5(4)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'CAD-4 SDP (Frenz, 1978)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_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     0.71073
_diffrn_reflns_av_R_equivalents  0.0166
_diffrn_reflns_av_sigmaI/netI    0.0106
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            870
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         2.70
_diffrn_standards_decay_%        1.2
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.123
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.543
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.201
_refine_ls_extinction_coef       0.0169(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     76
_refine_ls_number_reflns         824
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0344
_refine_ls_R_factor_gt           0.0302
_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^)+(0.0429P)^2^+0.4529P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0815
_refine_ls_wR_factor_ref         0.0845
_reflns_number_gt                738
_reflns_number_total             824
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cf6281.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2202439
_cod_database_fobs_code          2202439