Five pseudopolymorphs and a cocrystal of nitrofurantoin
Tutughamiarso, Maya; Bolte, Michael; Wagner, Guido; Egert, Ernst; Acta Crystallographica Section C 67 (2011) o18–o25; doi:10.1107/S0108270110046755

data_2017928
_publ_section_title
;
 Five pseudopolymorphs and a cocrystal of nitrofurantoin
;
_journal_coeditor_code           EG3064
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o18
_journal_page_last               o25
_journal_paper_doi               10.1107/S0108270110046755
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C8 H6 N4 O5, C9 H11 N3 O2'
_chemical_formula_moiety         'C8 H6 N4 O5, C9 H11 N3 O2'
_chemical_formula_sum            'C17 H17 N7 O7'
_chemical_formula_weight         431.38
_chemical_name_common
;
nitrofurantoin--2,6-diacetaminopyridine (1/1)
;
_chemical_name_systematic
;
(<i>E</i>)-1-[(5-nitro-2-furyl)methylideneamino]imidazolidine-2,4-dione--2,6-
diacetaminopyridine (1/1)
;
_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-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.839(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.8407(6)
_cell_length_b                   17.9443(10)
_cell_length_c                   10.9902(6)
_cell_measurement_reflns_used    18548
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.83
_cell_measurement_theta_min      3.46
_cell_volume                     1922.56(19)
_computing_cell_refinement       'X-AREA (Stoe & Cie, 2001)'
_computing_data_collection       'X-AREA (Stoe & Cie, 2001)'
_computing_data_reduction        'X-AREA (Stoe & Cie, 2001)'
_computing_molecular_graphics
;
Mercury (Macrae <i>et al.</i>, 2008) and XP (Sheldrick, 2008);
;
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Stoe IPDS II two-circle diffractometer'
_diffrn_measurement_method       \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  0.1380
_diffrn_reflns_av_sigmaI/netI    0.0563
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            32493
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.64
_diffrn_reflns_theta_min         3.46
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.490
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.249
_refine_ls_extinction_coef       0.018(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         3619
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0444
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0793P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1151
_refine_ls_wR_factor_ref         0.1222
_reflns_number_gt                2802
_reflns_number_total             3619
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            eg3064.cif
_cod_data_source_block           I.II
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2017928
_cod_database_fobs_code          2017928