1-Formyl-<i>c</i>-3,<i>t</i>-3-dimethyl-<i>r</i>-2,<i>c</i>-6-diphenylpiperidin-4-one
Ravichandran, K.; Sakthivel, P.; Ramesh, P.; Ponnuswamy, S.; Ponnuswamy, M. N.; Acta Crystallographica Section E 68 (2012) o870–; doi:10.1107/S1600536812007015

data_2233734
_publ_section_title
;
 1-Formyl-<i>c</i>-3,<i>t</i>-3-dimethyl-<i>r</i>-2,<i>c</i>-6-diphenylpiperidin-4-one
;
_journal_coeditor_code           BT5783
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o870
_journal_paper_doi               10.1107/S1600536812007015
_journal_volume                  68
_journal_year                    2012
_chemical_formula_moiety         'C20 H21 N O2'
_chemical_formula_sum            'C20 H21 N O2'
_chemical_formula_weight         307.38
_chemical_name_systematic
1-Formyl-<i>c</i>-3,<i>t</i>-3-dimethyl-<i>r</i>-2,<i>c</i>-6-diphenylpiperidin-4-one
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 110.120(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.6604(6)
_cell_length_b                   15.7278(7)
_cell_length_c                   10.8066(5)
_cell_measurement_reflns_used    2769
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      2.31
_cell_volume                     1701.31(15)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
'SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker SMART APEX CCD detector'
_diffrn_measurement_method       '\w scans'
_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  0.0208
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16240
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.25
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.985
_exptl_absorpt_correction_T_min  0.985
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1998)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.134
_refine_ls_extinction_coef       0.0063(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         4162
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0697
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0489P)^2^+0.2736P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1091
_refine_ls_wR_factor_ref         0.1250
_reflns_number_gt                2769
_reflns_number_total             4162
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt5783.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2233734
_cod_database_fobs_code          2233734