4-<i>tert</i>-Butylamino-3-nitrobenzoic acid
Narendra Babu, Shivanagere Nagojappa; Abdul Rahim, Aisyah Saad; Abd Hamid, Shafida; Jebas, Samuel Robinson; Fun, Hoong-Kun; Acta Crystallographica Section E 65 (2009) o1233–o1234; doi:10.1107/S1600536809015487

data_2222154
_publ_section_title
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 4-<i>tert</i>-Butylamino-3-nitrobenzoic acid
;
_journal_coeditor_code           TK2439
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1233
_journal_page_last               o1234
_journal_paper_doi               10.1107/S1600536809015487
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C11 H14 N2 O4'
_chemical_formula_moiety         'C11 H14 N2 O4'
_chemical_formula_sum            'C11 H14 N2 O4'
_chemical_formula_weight         238.24
_chemical_name_common
;
4-<i>tert</i>-butylamino-3-nitrobenzoic acid
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 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                 90.863(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.8125(15)
_cell_length_b                   6.7412(5)
_cell_length_c                   8.0793(5)
_cell_measurement_reflns_used    1829
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      30.6
_cell_measurement_theta_min      3.2
_cell_volume                     1133.41(14)
_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
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEXII CCD 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  0.0566
_diffrn_reflns_av_sigmaI/netI    0.0547
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6267
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.96
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.9972
_exptl_absorpt_correction_T_min  0.9594
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.396
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.314
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     107
_refine_ls_number_reflns         1418
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0993
_refine_ls_R_factor_gt           0.0647
_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^)+(0.0580P)^2^+2.3728P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1340
_refine_ls_wR_factor_ref         0.1533
_reflns_number_gt                985
_reflns_number_total             1418
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk2439.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_H-M      'C 2/m'
_cod_database_code               2222154
_cod_database_fobs_code          2222154