Dimethyl <i>N,N</i>'-(1,2-phenylene)dicarbamate
Efrén V. García-Báez; Beatriz A. López-Romero; Francisco J. Martínez-Martínez; Herbert Höpfl; Itzia I. Padilla-Martínez; Acta Crystallographica Section E 60 (2004) o1488–o1490; doi:10.1107/S1600536804018690

data_2204194
_publ_section_title
;
 Dimethyl <i>N,N</i>'-(1,2-phenylene)dicarbamate
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1488
_journal_page_last               o1490
_journal_paper_doi               10.1107/S1600536804018690
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C10 H12 N2 O4'
_chemical_formula_moiety         'C10 H12 N2 O4'
_chemical_formula_sum            'C10 H12 N2 O4'
_chemical_formula_weight         224.22
_chemical_name_systematic
;
Dimethyl N,N'-(1,2-phenylene)dicarbamate
;
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 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                 100.181(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.3056(19)
_cell_length_b                   4.8400(10)
_cell_length_c                   11.843(2)
_cell_measurement_reflns_used    600
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      20
_cell_volume                     525.00(18)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT  '
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  'SHELXL97 and WinGX2003 (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'Bruker SMART Area-detector'
_diffrn_measurement_method       '\f and \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  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0263
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4221
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.57
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             236
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.243
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1203
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0316
_refine_ls_R_factor_gt           0.0307
_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^)+(0.0548P)^2^+0.0358P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0804
_refine_ls_wR_factor_ref         0.0811
_reflns_number_gt                1168
_reflns_number_total             1203
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6247.cif
_cod_data_source_block           I
_cod_original_cell_volume        525.00(19)
_cod_original_sg_symbol_H-M      'P n'
_cod_database_code               2204194
_cod_database_fobs_code          2204194