<i>p</i>-Phenylenedimethylene bis(<i>N</i>-phenylcarbamate)
Liqun Yan; Li Wu; Xuefang Shi; Wenqin Zhang; Acta Crystallographica Section E 62 (2006) o3292–o3293; doi:10.1107/S1600536806026390

data_2209780
_publ_section_title
;
 <i>p</i>-Phenylenedimethylene bis(<i>N</i>-phenylcarbamate)
;
_journal_coeditor_code           CF2039
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3292
_journal_page_last               o3293
_journal_paper_doi               10.1107/S1600536806026390
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C11 H10  N1 O2'
_chemical_formula_sum            'C22 H20 N2 O4'
_chemical_formula_weight         376.40
_chemical_melting_point          459(2)
_chemical_name_systematic
;
1,4-phenylenebis(methylene) bis(phenylcarbamate)
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 95.944(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   18.973(5)
_cell_length_b                   5.0236(14)
_cell_length_c                   9.915(3)
_cell_measurement_reflns_used    1587
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      26.09
_cell_measurement_theta_min      4.13
_cell_volume                     939.9(5)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART 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  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0319
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4948
_diffrn_reflns_theta_full        26.31
_diffrn_reflns_theta_max         26.31
_diffrn_reflns_theta_min         1.08
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.330
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.129
_refine_diff_density_min         -0.143
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     131
_refine_ls_number_reflns         1911
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0398
_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^)+(0.0555P)^2^+0.1435P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0973
_refine_ls_wR_factor_ref         0.1172
_reflns_number_gt                1210
_reflns_number_total             1911
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cf2039.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_Hall     'C -2yc'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C22 H20  N2 O4'
_cod_database_code               2209780
_cod_database_fobs_code          2209780