<i>N</i>-Methylimidazolidinetrione
Rodriguez, Mark A.; Andrews, Nicholas L.; Boyle, Timothy J.; Frazer, Colleen S.; Acta Crystallographica Section E 61 (2005) o2288–o2290; doi:10.1107/S1600536805019690

data_2206120
_publ_section_title
;
 <i>N</i>-Methylimidazolidinetrione
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2288
_journal_page_last               o2290
_journal_paper_doi               10.1107/S1600536805019690
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C4 H4 N2 O3'
_chemical_formula_moiety         'C4 H4 N2 O3'
_chemical_formula_sum            'C4 H4 N2 O3'
_chemical_formula_weight         128.09
_chemical_name_systematic
;
N-Methylimidazolidinetrione
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.8966(8)
_cell_length_b                   7.2049(12)
_cell_length_c                   14.719(2)
_cell_measurement_reflns_used    200
_cell_measurement_temperature    168(2)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      2.77
_cell_volume                     519.28(14)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'XSHELL (Bruker, 2000)'
_computing_structure_solution    'SHELXTL (Bruker, 1998)'
_diffrn_ambient_temperature      168(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       '\w and \f'
_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  0.0325
_diffrn_reflns_av_sigmaI/netI    0.0215
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            4577
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.77
_diffrn_standards_decay_%        <2
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.143
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.94
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.638
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         1191
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0401
_refine_ls_R_factor_gt           0.0313
_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^)+(0.0435P)^2^+0.0879P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0761
_refine_ls_wR_factor_ref         0.0812
_reflns_number_gt                632
_reflns_number_total             731
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bd6004.cif
_cod_data_source_block           I
_cod_original_cell_volume        519.27(15)
_cod_database_code               2206120
_cod_database_fobs_code          2206120