1-(2-Methoxyethoxy)-4-nitrobenzene
Yang Liu; Wei-Na Xu; Xiao-Ling Zhang; Jian-Ping Ma; Dian-Shun Guo; Acta Crystallographica Section E 64 (2008) o12–o12; doi:10.1107/S1600536807061636

data_2216937
_publ_section_title
;
 1-(2-Methoxyethoxy)-4-nitrobenzene
;
_journal_coeditor_code           BT2633
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o12
_journal_page_last               o12
_journal_paper_doi               10.1107/S1600536807061636
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C9 H11 N O4'
_chemical_formula_moiety         'C9 H11 N O4'
_chemical_formula_sum            'C9 H11 N O4'
_chemical_formula_weight         197.19
_chemical_name_systematic
;
 1-(2-Methoxyethoxy)-4-nitrobenzene
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 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                   11.280(3)
_cell_length_b                   20.430(5)
_cell_length_c                   4.1079(10)
_cell_measurement_reflns_used    2528
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.766
_cell_measurement_theta_min      2.690
_cell_volume                     946.7(4)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2001)'
_computing_publication_material  'SHELXTL (Bruker, 2001)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       'phi and omega 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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0224
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       4
_diffrn_reflns_limit_l_min       -4
_diffrn_reflns_number            4034
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.9594
_exptl_absorpt_correction_T_min  0.9481
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.129
_refine_diff_density_min         -0.120
_refine_ls_abs_structure_details 'Flack (1983)'
_refine_ls_abs_structure_Flack   2.0(10)
_refine_ls_extinction_coef       0.032(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         1023
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0321
_refine_ls_R_factor_gt           0.0306
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0395P)^2^+0.1764P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0778
_refine_ls_wR_factor_ref         0.0791
_reflns_number_gt                982
_reflns_number_total             1023
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bt2633.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_H-M      'P n a 21 '
_cod_database_code               2216937
_cod_database_fobs_code          2216937