<i>t</i>-3-Ethyl-<i>r</i>-2,<i>c</i>-6-bis(4-methoxyphenyl)-1-nitrosopiperidin-4-one
Kavitha, T.; Thenmozhi, M.; Ponnuswamy, S.; Sakthivel, P.; Ponnuswamy, M. N.; Acta Crystallographica Section E 65 (2009) o1765–; doi:10.1107/S1600536809024878

data_2222613
_publ_section_title
<i>t</i>-3-Ethyl-<i>r</i>-2,<i>c</i>-6-bis(4-methoxyphenyl)-1-nitrosopiperidin-4-one
_journal_coeditor_code           CI2810
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1765
_journal_paper_doi               10.1107/S1600536809024878
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C21 H24 N2 O4'
_chemical_formula_moiety         'C21 H24 N2 O4'
_chemical_formula_sum            'C21 H24 N2 O4'
_chemical_formula_weight         368.42
_chemical_name_systematic
;
t-3-Ethyl-r-2,c-6-bis(4-methoxyphenyl)-1-nitrosopiperidin-4-one
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            4
_cell_length_a                   7.2742(4)
_cell_length_b                   15.8459(7)
_cell_length_c                   16.4800(7)
_cell_measurement_reflns_used    3334
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31.8
_cell_measurement_theta_min      2.5
_cell_volume                     1899.59(16)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_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 0.974
_diffrn_measured_fraction_theta_max 0.915
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD area-detector'
_diffrn_measurement_method       \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  0.0263
_diffrn_reflns_av_sigmaI/netI    0.0261
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            15051
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         31.76
_diffrn_reflns_theta_min         2.47
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9823
_exptl_absorpt_correction_T_min  0.9779
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.165
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3334
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0588
_refine_ls_R_factor_gt           0.0398
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0555P)^2^+0.1347P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0964
_refine_ls_wR_factor_ref         0.1071
_reflns_number_gt                2550
_reflns_number_total             3334
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2810.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_sg_symbol_H-M      'P21 21 21'
_cod_database_code               2222613
_cod_database_fobs_code          2222613