Polymorphism of Crystalline 4-Amino-2-Nitroacetanilide
Pindelska, Edyta; Dobrzycki, Lukasz; Woźniak, Krzysztof; Kolodziejski, Waclaw; Crystal Growth & Design 11 (2011) 2074–; doi:10.1021/cg100989t

data_4500116
_publ_section_title
;
 Polymorphism of Crystalline 4-Amino-2-Nitroacetanilide
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2074
_journal_paper_doi               10.1021/cg100989t
_journal_volume                  11
_journal_year                    2011
_chemical_formula_sum            'C8 H9 N3 O3'
_chemical_formula_weight         195.18
_chemical_name_systematic
; 
 ? 
;
_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                90.00
_cell_angle_beta                 91.632(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.7022(11)
_cell_length_b                   3.8175(2)
_cell_length_c                   17.3647(16)
_cell_measurement_reflns_used    4421
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.532
_cell_measurement_theta_min      2.794
_cell_volume                     841.68(12)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
;
_computing_molecular_graphics    Diamond
_computing_publication_material  SHELXTL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.6479
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'KM4 CCD'
_diffrn_measurement_method       'omega scan'
_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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0274
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9122
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.21
_diffrn_standards_number         '1 frame'
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.89
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.540
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             408
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.281
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.176
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     151
_refine_ls_number_reflns         1663
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.176
_refine_ls_R_factor_all          0.0623
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0793P)^2^+0.5879P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1545
_refine_ls_wR_factor_ref         0.1597
_reflns_number_gt                1219
_reflns_number_total             1663
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100989t_si_002.cif
_cod_data_source_block           ANA_[red,T=100K]
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4500116