2,5-Dimethyl-7,8,9,10-tetrahydrocyclohepta[<i>b</i>]indol-6(5<i>H</i>)-one
Archana, R.; Yamuna, E.; Rajendra Prasad, K. J.; Thiruvalluvar, A.; Butcher, R. J.; Acta Crystallographica Section E 66 (2010) o2882–; doi:10.1107/S1600536810041772

data_2227611
_publ_section_title
;
 2,5-Dimethyl-7,8,9,10-tetrahydrocyclohepta[<i>b</i>]indol-6(5<i>H</i>)-one
;
_journal_coeditor_code           HG2724
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2882
_journal_paper_doi               10.1107/S1600536810041772
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C15 H17 N O'
_chemical_formula_moiety         'C15 H17 N O'
_chemical_formula_structural     'C15 H17 N O'
_chemical_formula_sum            'C15 H17 N O'
_chemical_formula_weight         227.30
_chemical_melting_point          346
_chemical_name_systematic
;
2,5-Dimethyl-7,8,9,10-tetrahydrocyclohepta[<i>b</i>]indol-6(5<i>H</i>)-one
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.5889(3)
_cell_length_b                   10.5707(2)
_cell_length_c                   7.5388(2)
_cell_measurement_reflns_used    2494
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      73.6650
_cell_measurement_theta_min      5.0510
_cell_volume                     1242.29(5)
_computing_cell_refinement       'CrysAlis Pro (Oxford Diffraction, 2010)'
_computing_data_collection       'CrysAlis Pro (Oxford Diffraction, 2010)'
_computing_data_reduction        'CrysAlis Pro (Oxford Diffraction, 2010)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.5081
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur Ruby Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0166
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1327
_diffrn_reflns_theta_full        67.50
_diffrn_reflns_theta_max         73.83
_diffrn_reflns_theta_min         5.06
_exptl_absorpt_coefficient_mu    0.591
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.88678
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis Pro; Oxford Diffraction, 2010)
;
_exptl_crystal_colour            'pale yellow-orange'
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.161
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         1327
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0462
_refine_ls_R_factor_gt           0.0453
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_max_lt       0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0970P)^2^+0.0410P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1269
_refine_ls_wR_factor_ref         0.1291
_reflns_number_gt                1285
_reflns_number_total             1327
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg2724.cif
_cod_data_source_block           I
_cod_database_code               2227611
_cod_database_fobs_code          2227611