<i>rac</i>-5-Acetyl-6-(4-nitrophenyl)-6,7-dihydro-5<i>H</i>-1,3-dioxolo[4,5-<i>g</i>]quinoline-8-one: chains of rings built from C—H···O and C—H···π(arene) hydrogen bonds
Low, John N.; Cobo, Justo; Ortíz, Angy; Cuervo, Paola; Abonia, Rodrigo; Glidewell, Christopher; Acta Crystallographica Section E 60 (2004) o1057–o1059; doi:10.1107/S1600536804012140

data_2203784
_publ_section_title
;<i>rac</i>-5-Acetyl-6-(4-nitrophenyl)-6,7-dihydro-5<i>H</i>-1,3-dioxolo[4,5-<i>g</i>]quinoline-8-one:
 chains of rings built from C---H&#x00B7;&#x00B7;&#x00B7;O and
 C---H&#x00B7;&#x00B7;&#x00B7;\p(arene) hydrogen bonds
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1057
_journal_page_last               o1059
_journal_paper_doi               10.1107/S1600536804012140
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C18 H14 N2 O6'
_chemical_formula_moiety         'C18 H14 N2 O6'
_chemical_formula_sum            'C18 H14 N2 O6'
_chemical_formula_weight         354.31
_chemical_name_systematic
rac-5-Acetyl-6-(4-nitrophenyl)-6,7-dihydro-5H-1,3-dioxolo[4,5-g]quinoline-8-one
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            4
_cell_length_a                   6.5253(2)
_cell_length_b                   21.4286(5)
_cell_length_c                   10.8198(9)
_cell_measurement_reflns_used    1952
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.14
_cell_measurement_theta_min      3.26
_cell_volume                     1512.91(14)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Server Software (Nonius, 1997)'
_computing_data_reduction        DENZO-SMN
_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_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0818
_diffrn_reflns_av_sigmaI/netI    0.0712
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            15335
_diffrn_reflns_theta_full        27.14
_diffrn_reflns_theta_max         27.14
_diffrn_reflns_theta_min         3.26
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.956
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SORTAV; Blessing, 1995, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.556
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.218
_refine_ls_extinction_coef       0.0110(18)
_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   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         1762
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0697
_refine_ls_R_factor_gt           0.0415
_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^)+(0.0457P)^2^+0.0405P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0783
_refine_ls_wR_factor_ref         0.0865
_reflns_number_gt                1360
_reflns_number_total             1762
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6221.cif
_cod_data_source_block           I
_cod_database_code               2203784
_cod_database_fobs_code          2203784