1-Acetyl-3-ethyl-<i>r</i>-2,<i>c</i>-6-di-2-furylpiperidin-4-one
S. Balamurugan; A. Thiruvalluvar; A. Manimekalai; K. Selvaraju; T. Maruthavanan; Acta Crystallographica Section E 62 (2006) o2005–o2006; doi:10.1107/S1600536806013407

data_2208847
_publ_section_title
;
 1-Acetyl-3-ethyl-<i>r</i>-2,<i>c</i>-6-di-2-furylpiperidin-4-one
;
_journal_coeditor_code           CV2019
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2005
_journal_page_last               o2006
_journal_paper_doi               10.1107/S1600536806013407
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C17 H19 N O4'
_chemical_formula_moiety         'C17 H19 N O4'
_chemical_formula_structural     'C17 H19 N O4'
_chemical_formula_sum            'C17 H19 N O4'
_chemical_formula_weight         301.33
_chemical_melting_point          353
_chemical_name_common            piperidine-4-one
_chemical_name_systematic
;
1-Acetyl-3-ethyl-r-2,c-6-di-2-furylpiperidin-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
_cell_angle_alpha                90
_cell_angle_beta                 91.05(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.036(4)
_cell_length_b                   8.5608(15)
_cell_length_c                   22.180(7)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      10
_cell_volume                     1525.6(9)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms, 1997)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR2004 (Burla <i>et al.</i>,  2004)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w-2\q
_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  0.0178
_diffrn_reflns_av_sigmaI/netI    0.0205
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            2881
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         2.55
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9815
_exptl_absorpt_correction_T_min  0.9725
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.312
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.358
_refine_diff_density_min         -0.268
_refine_ls_abs_structure_details none
_refine_ls_extinction_coef       0.008(2)
_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   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2676
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0735
_refine_ls_R_factor_gt           0.0479
_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^)+(0.095P)^2^+0.4568P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1447
_refine_ls_wR_factor_ref         0.1661
_reflns_number_gt                1866
_reflns_number_total             2676
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv2019.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1525.5(9)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2208847