Isomeric nitrophthalimides: sheets built from N—H···O and C—H···O hydrogen bonds
Glidewell, Christopher; Low, John N.; Skakle, Janet M. S.; Wardell, James L.; Acta Crystallographica Section C 60 (2004) o872–o875; doi:10.1107/S0108270104026137

data_2014549
_publ_section_title
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 Isomeric nitrophthalimides: sheets built from
 N---H&#x00B7;&#x00B7;&#x00B7;O and C---H&#x00B7;&#x00B7;&#x00B7;O
 hydrogen bonds
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_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o872
_journal_page_last               o875
_journal_paper_doi               10.1107/S0108270104026137
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C8 H4 N2 O4'
_chemical_formula_moiety         'C8 H4 N2 O4'
_chemical_formula_sum            'C8 H4 N2 O4'
_chemical_formula_weight         192.13
_chemical_name_systematic
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3-Nitrophthalimide
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_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   8.2208(2)
_cell_length_b                   13.0786(4)
_cell_length_c                   13.9233(4)
_cell_measurement_reflns_used    1703
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.12
_cell_volume                     1496.99(7)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997) and COLLECT'
_computing_data_collection       'COLLECT (Hooft, 1999)'
_computing_data_reduction        'DENZO and COLLECT '
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'OSCAIL and SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution
'OSCAIL (McArdle, 2003) and SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker--Nonius FR591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0367
_diffrn_reflns_av_sigmaI/netI    0.0208
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            19573
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.12
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    0.141
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.954
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick,  2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.705
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.416
_refine_ls_extinction_coef       0.033(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   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         1703
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0455
_refine_ls_R_factor_gt           0.0392
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0527P)^2^+0.5962P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.0989
_reflns_number_gt                1488
_reflns_number_total             1703
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1783.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 
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_cod_database_code               2014549
_cod_database_fobs_code          2014549