Redetermination of 9-nitroanthracene at 100K
Glagovich, Neil M.; Foss, Paul C. D.; Michalewski, Oliver; Reed, Elizabeth M.; Strathearn, Katherine E.; Weiner, Yan F.; Crundwell, Guy; Updegraff, III, James B.; Zeller, Matthias; Hunter, Allen D.; Acta Crystallographica Section E 60 (2004) o2125–o2126; doi:10.1107/S1600536804025267

data_2204428
_publ_section_title
;
 Redetermination of 9-nitroanthracene at 100K
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2125
_journal_page_last               o2126
_journal_paper_doi               10.1107/S1600536804025267
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C14 H9 N O2'
_chemical_formula_moiety         'C14 H9 N O2'
_chemical_formula_sum            'C14 H9 N O2'
_chemical_formula_weight         223.22
_chemical_melting_point          417.5
_chemical_name_common            9-Nitroanthracene
_chemical_name_systematic
;
9-Nitroanthracene
;
_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                 103.1970(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5117(7)
_cell_length_b                   13.5401(9)
_cell_length_c                   7.4285(5)
_cell_measurement_reflns_used    5299
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.49
_cell_volume                     1029.37(12)
_computing_cell_refinement       SAINT-Plus
_computing_data_collection       'SMART (Bruker, 1997-1999)'
_computing_data_reduction        'SAINT-Plus (Bruker, 1997-1999)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  SHELXL97
_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 APEX'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0306
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10391
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.99
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.859
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.495
_refine_diff_density_min         -0.207
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.282
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2545
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.282
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0913P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1422
_refine_ls_wR_factor_ref         0.1483
_reflns_number_gt                2182
_reflns_number_total             2545
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ac6129.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (28
times).

'_geom_angle_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (45
times).

'_geom_torsion_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (38 times).

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

The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'NO' changed to 'no' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (28
times).

'_geom_angle_publ_flag' value 'NO' changed to 'no' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (45
times).

'_geom_torsion_publ_flag' value 'NO' changed to 'no'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (38
times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2204428
_cod_database_fobs_code          2204428