Ethyl 4-acetyl-5-oxo-3-phenylhexanoate
Wang, Hongwei; Hu, Yimin; Acta Crystallographica Section E 67 (2011) o919–; doi:10.1107/S160053681100955X

data_2229577
_publ_section_title
;
 Ethyl 4-acetyl-5-oxo-3-phenylhexanoate
;
_journal_coeditor_code           BH2342
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o919
_journal_paper_doi               10.1107/S160053681100955X
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C16 H20 O4'
_chemical_formula_moiety         'C16 H20 O4'
_chemical_formula_sum            'C16 H20 O4'
_chemical_formula_weight         276.32
_chemical_name_systematic
;
Ethyl 4-acetyl-5-oxo-3-phenylhexanoate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.973(2)
_cell_angle_beta                 88.977(3)
_cell_angle_gamma                75.033(2)
_cell_formula_units_Z            2
_cell_length_a                   5.8213(11)
_cell_length_b                   7.7638(18)
_cell_length_c                   17.8532(15)
_cell_measurement_reflns_used    3519
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      23.18
_cell_measurement_theta_min      2.21
_cell_volume                     769.6(2)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_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      291(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0495
_diffrn_reflns_av_sigmaI/netI    0.0680
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8564
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.16
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9816
_exptl_absorpt_correction_T_min  0.9766
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.192
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.161
_refine_diff_density_min         -0.150
_refine_ls_extinction_coef       0.017(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXTL (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     185
_refine_ls_number_reflns         3033
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0861
_refine_ls_R_factor_gt           0.0495
_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^)+(0.03P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0904
_refine_ls_wR_factor_ref         0.0993
_reflns_number_gt                1726
_reflns_number_total             3033
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bh2342.cif
_cod_data_source_block           I
_cod_database_code               2229577
_cod_database_fobs_code          2229577