2,2-Dimethyl-1,3-benzodioxol-4-yl <i>N</i>-methylcarbamate
Xia, Cheng-Cai; Acta Crystallographica Section E 66 (2010) o2580–; doi:10.1107/S1600536810036123

data_2227164
_publ_section_title
;
 2,2-Dimethyl-1,3-benzodioxol-4-yl <i>N</i>-methylcarbamate
;
_journal_coeditor_code           BH2301
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2580
_journal_paper_doi               10.1107/S1600536810036123
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C11 H13 N O4'
_chemical_formula_moiety         'C11 H13 N O4'
_chemical_formula_sum            'C11 H13 N O4'
_chemical_formula_weight         223.22
_chemical_melting_point          408
_chemical_name_systematic
;
2,2-Dimethyl-1,3-benzodioxol-4-yl <i>N</i>-methylcarbamate
;
_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                 94.326(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.505(6)
_cell_length_b                   9.669(7)
_cell_length_c                   12.355(8)
_cell_measurement_reflns_used    2406
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.74
_cell_measurement_theta_min      2.68
_cell_volume                     1132.2(13)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens SMART APEX CCD area-detector'
_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  0.0228
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5692
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.68
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9841
_exptl_absorpt_correction_T_min  0.9763
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Siemens, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.130
_refine_ls_extinction_coef       0.035(3)
_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   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     146
_refine_ls_number_reflns         2003
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0454
_refine_ls_R_factor_gt           0.0354
_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^)+(0.0465P)^2^+0.1766P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0904
_refine_ls_wR_factor_ref         0.0975
_reflns_number_gt                1615
_reflns_number_total             2003
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bh2301.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2227164
_cod_database_fobs_code          2227164