Redetermination of <i>p</i>-ethoxyacetanilide (phenacetin)
Hansen, Lars Kr.; Perlovich, German L.; Bauer-Brandl, Annette; Acta Crystallographica Section E 62 (2006) o2712–o2713; doi:10.1107/S1600536806020551

data_2209401
_publ_section_title
;
 Redetermination of <i>p</i>-ethoxyacetanilide (phenacetin)
;
_journal_coeditor_code           BT2088
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2712
_journal_page_last               o2713
_journal_paper_doi               10.1107/S1600536806020551
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C10 H13 N O2'
_chemical_formula_moiety         'C10 H13 N O2'
_chemical_formula_sum            'C10 H13 N O2'
_chemical_formula_weight         179.21
_chemical_name_systematic
;
p-ethoxyacetanilide
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 103.992(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3236(14)
_cell_length_b                   9.6159(15)
_cell_length_c                   7.7331(15)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      13
_cell_volume                     961.4(3)
_computing_cell_refinement       'CELDIM in CAD-4-PC Software'
_computing_data_collection       'CAD-4-PC Software (Enraf--Nonius, 1992)'
_computing_data_reduction        'XCAD4 (McArdle & Higgins, 1995)'
_computing_molecular_graphics
'ORTEX (McArdle, 1993) and ORTEPIII (Burnett & Johnson, (1996)'
_computing_publication_material  'OSCAIL-X for Windows'
_computing_structure_refinement
'OSCAIL-X for Windows and SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution
'OSCAIL-X for Windows (McArdle, 2005) and SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0147
_diffrn_reflns_av_sigmaI/netI    0.0521
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2299
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         1.58
_diffrn_standards_decay_%        1
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9745
_exptl_absorpt_correction_T_min  0.9581
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
'[ABSCALC in OSCAIL (McArdle & Daly, 1999) and North <i>et al.</i> (1968)]'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.140
_refine_ls_extinction_coef       0.021(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     121
_refine_ls_number_reflns         2083
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.1000
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0541P)^2^+0.0361P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0970
_refine_ls_wR_factor_ref         0.1110
_reflns_number_gt                1056
_reflns_number_total             2083
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt2088.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2209401
_cod_database_fobs_code          2209401