2,4-Dinitro-1-naphthol
Raza, Abdul Rauf; Sultan, Aeysha; Tahir, M. Nawaz; Rubab, Amra; Acta Crystallographica Section E 66 (2010) o3101–; doi:10.1107/S1600536810045034

data_2228284
_publ_section_title
;
 2,4-Dinitro-1-naphthol
;
_journal_coeditor_code           DN2615
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3101
_journal_paper_doi               10.1107/S1600536810045034
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C10 H6 N2 O5'
_chemical_formula_moiety         'C10 H6 N2 O5'
_chemical_formula_sum            'C10 H6 N2 O5'
_chemical_formula_weight         234.17
_chemical_name_systematic
;
2,4-Dinitro-1-naphthol
;
_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
_cell_angle_beta                 111.452(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.0512(10)
_cell_length_b                   16.3541(19)
_cell_length_c                   8.7988(10)
_cell_measurement_reflns_used    1058
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.10
_cell_measurement_theta_min      2.49
_cell_volume                     944.4(2)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
;
WinGX (Farrugia, 1999) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 8.20
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       \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  0.0522
_diffrn_reflns_av_sigmaI/netI    0.0443
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6868
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         2.49
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.136
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.647
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.179
_refine_diff_density_min         -0.174
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1684
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0790
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0590P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1028
_refine_ls_wR_factor_ref         0.1186
_reflns_number_gt                1058
_reflns_number_total             1684
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn2615.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2228284
_cod_database_fobs_code          2228284