(<i>E</i>)-1-(2,2-Dimethoxyethyl)-2-(nitromethylidene)imidazolidine
Li, Dongmei; Tian, Zhongzhen; Wang, Gaolei; Wei, Peifeng; Zhang, Yanming; Acta Crystallographica Section E 66 (2010) o2216–; doi:10.1107/S1600536810030266

data_2227474
_publ_section_title
;
 (<i>E</i>)-1-(2,2-Dimethoxyethyl)-2-(nitromethylidene)imidazolidine
;
_journal_coeditor_code           HB5567
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2216
_journal_paper_doi               10.1107/S1600536810030266
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C8 H15 N3 O4'
_chemical_formula_moiety         'C8 H15 N3 O4'
_chemical_formula_sum            'C8 H15 N3 O4'
_chemical_formula_weight         217.23
_chemical_name_systematic
;
(<i>E</i>)-1-(2,2-Dimethoxyethyl)-2-(nitromethylidene)imidazolidine
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.953(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.444(2)
_cell_length_b                   6.8676(17)
_cell_length_c                   14.441(3)
_cell_measurement_reflns_used    3493
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.28
_cell_measurement_theta_min      2.86
_cell_volume                     1020.2(4)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare <i>et al.</i>, 1999)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0176
_diffrn_reflns_av_sigmaI/netI    0.0160
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8629
_diffrn_reflns_theta_full        27.61
_diffrn_reflns_theta_max         27.61
_diffrn_reflns_theta_min         1.98
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.965
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.249
_refine_diff_density_min         -0.155
_refine_ls_extinction_coef       0.014(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     139
_refine_ls_number_reflns         2330
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0508P)^2^+0.1844P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1011
_refine_ls_wR_factor_ref         0.1102
_reflns_number_gt                1849
_reflns_number_total             2330
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            hb5567.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2227474
_cod_database_fobs_code          2227474