Ethyl 2-[4-(4-chlorobenzoyl)phenoxy]-2-methylpropanoate
Yang, Zhao; Wang, Zhi-Xiang; Acta Crystallographica Section E 68 (2012) o1750–; doi:10.1107/S1600536812021149

data_2235116
_publ_section_title
;
 Ethyl 2-[4-(4-chlorobenzoyl)phenoxy]-2-methylpropanoate
;
_journal_coeditor_code           JJ2137
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1750
_journal_paper_doi               10.1107/S1600536812021149
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C19 H19 Cl O4'
_chemical_formula_moiety         'C19 H19 Cl O4'
_chemical_formula_sum            'C19 H19 Cl O4'
_chemical_formula_weight         346.79
_chemical_name_systematic
;
Ethyl 2-[4-(4-chlorobenzoyl)phenoxy]-2-methylpropanoate
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.677(3)
_cell_length_b                   16.420(3)
_cell_length_c                   7.9490(16)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      9
_cell_volume                     1785.2(6)
_computing_cell_refinement       'CAD-4 EXPRESS (Enraf--Nonius, 1989)'
_computing_data_collection       'CAD-4 EXPRESS (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL-Plus (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.0355
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0575
_diffrn_reflns_av_sigmaI/netI    0.0836
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3465
_diffrn_reflns_theta_full        25.37
_diffrn_reflns_theta_max         25.37
_diffrn_reflns_theta_min         2.48
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  2
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.233
_exptl_absorpt_correction_T_max  0.9771
_exptl_absorpt_correction_T_min  0.9549
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>, 1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.207
_refine_ls_abs_structure_details 'Flack (1983), with 1692 Friedel pairs'
_refine_ls_abs_structure_Flack   0.04(17)
_refine_ls_extinction_coef       0.029(3)
_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   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3459
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1338
_refine_ls_R_factor_gt           0.0683
_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^)+(0.0780P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1488
_refine_ls_wR_factor_ref         0.1796
_reflns_number_gt                1971
_reflns_number_total             3459
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jj2137.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P na 21'
_cod_database_code               2235116
_cod_database_fobs_code          2235116