Ethyl 4-oxo-2,3,4,9-tetrahydro-1<i>H</i>-carbazole-3-carboxylate
Gündoğdu, Cevher; Göçmentürk, Mustafa; Ergün, Yavuz; Tercan, Barış; Hökelek, Tuncer; Acta Crystallographica Section E 67 (2011) o1470–o1471; doi:10.1107/S1600536811018678

data_2230343
_publ_section_title
;
 Ethyl 4-oxo-2,3,4,9-tetrahydro-1<i>H</i>-carbazole-3-carboxylate
;
_journal_coeditor_code           HB5881
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1470
_journal_page_last               o1471
_journal_paper_doi               10.1107/S1600536811018678
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C15 H15 N O3'
_chemical_formula_moiety         'C15 H15 N O3'
_chemical_formula_sum            'C15 H15 N O3'
_chemical_formula_weight         257.28
_chemical_name_systematic
;
Ethyl 4-oxo-2,3,4,9-tetrahydro-1<i>H</i>-carbazole-3-carboxylate
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.1057(3)
_cell_length_b                   12.7031(4)
_cell_length_c                   21.3874(5)
_cell_measurement_reflns_used    3293
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.94
_cell_volume                     2473.89(13)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 1997) and Mercury (Macrae <i>et al.</i>, 2006)'
_computing_publication_material
'WinGX (Farrugia, 1999) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_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  0.0325
_diffrn_reflns_av_sigmaI/netI    0.0378
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12029
_diffrn_reflns_theta_full        28.33
_diffrn_reflns_theta_max         28.32
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.960
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.249
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         2993
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0599
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0440P)^2^+0.6029P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0935
_refine_ls_wR_factor_ref         0.1022
_reflns_number_gt                2258
_reflns_number_total             2993
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb5881.cif
_cod_data_source_block           I
_cod_database_code               2230343
_cod_database_fobs_code          2230343