Ethyl (2<i>E</i>)-2-(2<i>H</i>-1,3-benzodioxol-5-ylmethylidene)-4-chloro-3-oxobutanoate
Zukerman-Schpector, Julio; Abd Salim, Siti Nadiah; Moran, Paulo J. S.; de Paula, Bruno R. S.; Rodrigues, J. Augusto R.; Tiekink, Edward R. T.; Acta Crystallographica Section E 67 (2011) o1044–; doi:10.1107/S1600536811011780

data_2230019
_publ_section_title
;
 Ethyl
 (2<i>E</i>)-2-(2<i>H</i>-1,3-benzodioxol-5-ylmethylidene)-4-chloro-3-oxobutanoate
;
_journal_coeditor_code           HG5017
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1044
_journal_paper_doi               10.1107/S1600536811011780
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C14 H13 Cl O5'
_chemical_formula_moiety         'C14 H13 Cl O5'
_chemical_formula_sum            'C14 H13 Cl O5'
_chemical_formula_weight         296.69
_chemical_name_systematic
;
Ethyl
(2<i>E</i>)-2-(2<i>H</i>-1,3-benzodioxol-5-ylmethylidene)-4-chloro-3-
oxobutanoate
;
_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                   4.80420(10)
_cell_length_b                   14.9134(4)
_cell_length_c                   18.4793(5)
_cell_measurement_reflns_used    4024
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.55
_cell_measurement_theta_min      2.59
_cell_volume                     1323.99(6)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, 1997) and DIAMOND (Brandenburg, 2006)
;
_computing_publication_material
'MarvinSketch  (Chemaxon, 2010) and publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare <i>et al.</i>, 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX diffractometer'
_diffrn_measurement_method       '\w scan'
_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  0.0405
_diffrn_reflns_av_sigmaI/netI    0.0341
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            13030
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.305
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6360
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.488
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.183
_refine_ls_abs_structure_details
;
Flack (1983), 1312 Friedel pairs
;
_refine_ls_abs_structure_Flack   -0.03(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         3200
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0352
_refine_ls_R_factor_gt           0.0305
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_max_lt       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^)+(0.0415P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0711
_refine_ls_wR_factor_ref         0.0734
_reflns_number_gt                2915
_reflns_number_total             3200
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg5017.cif
_cod_data_source_block           I
_cod_database_code               2230019
_cod_database_fobs_code          2230019