<i>N</i>-Ethyl-5-(pyrrol-1-yl)-1,8-naphthalimide
Yu-Quan Shi; Dan Xu; Ming-Jian Cai; Bin Chen; Acta Crystallographica Section E 61 (2005) o2436–o2437; doi:10.1107/S1600536805021185

data_2206464
_publ_section_title
;
 <i>N</i>-Ethyl-5-(pyrrol-1-yl)-1,8-naphthalimide
;
_journal_coeditor_code           IS6096
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2436
_journal_page_last               o2437
_journal_paper_doi               10.1107/S1600536805021185
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C18 H14 N2 O2'
_chemical_formula_moiety         'C18 H14 N2 O2'
_chemical_formula_sum            'C18 H14 N2 O2'
_chemical_formula_weight         290.31
_chemical_melting_point          454
_chemical_name_systematic
;
N-Ethyl-5-(pyrrol-1-yl)-1,8-naphthalimide
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 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                 127.771(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.257(4)
_cell_length_b                   23.040(8)
_cell_length_c                   7.424(3)
_cell_measurement_reflns_used    2040
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      26.26
_cell_measurement_theta_min      2.66
_cell_volume                     1386.8(9)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1997)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0230
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3830
_diffrn_reflns_theta_full        26.31
_diffrn_reflns_theta_max         26.31
_diffrn_reflns_theta_min         2.66
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.391
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.152
_refine_diff_density_min         -0.159
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         1401
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0406
_refine_ls_R_factor_gt           0.0328
_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^)+(0.053P)^2^+0.2346P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0821
_refine_ls_wR_factor_ref         0.0890
_reflns_number_gt                1240
_reflns_number_total             1401
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is6096.cif
_cod_data_source_block           I
_cod_original_cell_volume        1386.7(9)
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               2206464
_cod_database_fobs_code          2206464