4-[(6-Chloro-2-pyridyl)methoxy]-3-(2,4-dichlorophenyl)-1-oxaspiro[4.5]dec-3-en-2-one
Xu, Liang-zhong; Huang, Jin; Su, Qun-qun; Guo, Wei; Acta Crystallographica Section E 65 (2009) o846–; doi:10.1107/S1600536809010101

data_2221306
_publ_section_title
4-[(6-Chloro-2-pyridyl)methoxy]-3-(2,4-dichlorophenyl)-1-oxaspiro[4.5]dec-3-en-2-one
_journal_coeditor_code           BX2196
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o846
_journal_paper_doi               10.1107/S1600536809010101
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C21 H18 Cl3 N O3'
_chemical_formula_moiety         'C21 H18 Cl3 N O3'
_chemical_formula_sum            'C21 H18 Cl3 N O3'
_chemical_formula_weight         438.71
_chemical_name_systematic
;
4-[(6-Chloro-2-pyridyl)methoxy]-3-(2,4-dichlorophenyl)-1-oxaspiro[4.5]dec-\
3-en-2-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                 95.77(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2457(14)
_cell_length_b                   13.108(3)
_cell_length_c                   21.054(4)
_cell_measurement_reflns_used    5265
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.948
_cell_measurement_theta_min      1.553
_cell_volume                     1989.5(7)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      113(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0405
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            14740
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.83
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.483
_exptl_absorpt_correction_T_max  0.9716
_exptl_absorpt_correction_T_min  0.9180
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.311
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3519
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0381
_refine_ls_R_factor_gt           0.0337
_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^)+(0.053P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0859
_refine_ls_wR_factor_ref         0.0892
_reflns_number_gt                3191
_reflns_number_total             3519
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bx2196.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2221306
_cod_database_fobs_code          2221306