(<i>Z</i>)-Methyl 3-(2,4-dichlorophenyl)-2-[(2-formylphenoxy)methyl]acrylate
Gangadharan, Rajeswari; Sethusankar, K.; Selvakumar, Raman; Bakthadoss, Manickam; Acta Crystallographica Section E 67 (2011) o2738–; doi:10.1107/S1600536811037925

data_2232034
_publ_section_title
;
 (<i>Z</i>)-Methyl
 3-(2,4-dichlorophenyl)-2-[(2-formylphenoxy)methyl]acrylate
;
_journal_coeditor_code           RK2294
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2738
_journal_paper_doi               10.1107/S1600536811037925
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C18 H14 Cl2 O4'
_chemical_formula_moiety         'C18 H14 Cl2 O4'
_chemical_formula_sum            'C18 H14 Cl2 O4'
_chemical_formula_weight         365.19
_chemical_name_systematic
;
(<i>Z</i>)-Methyl 3-(2,4-dichlorophenyl)-2-[(2-formylphenoxy)methyl]acrylate
;
_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                 97.834(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.8151(7)
_cell_length_b                   4.9870(2)
_cell_length_c                   18.8418(8)
_cell_measurement_reflns_used    5036
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      30.57
_cell_measurement_theta_min      1.48
_cell_volume                     1658.36(12)
_computing_cell_refinement       '<i>SAINT</i> (Bruker, 2008)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_reduction        '<i>SAINT</i> (Bruker, 2008)'
_computing_molecular_graphics    '<i>ORTEP-3</i> (Farrugia, 1997)'
_computing_publication_material
'<i>SHELXL97</i> (Sheldrick, 2008) and <i>PLATON</i> (Spek, 2009)'
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       '\w and \f'
_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  0.0318
_diffrn_reflns_av_sigmaI/netI    0.0342
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       3
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20245
_diffrn_reflns_theta_full        30.57
_diffrn_reflns_theta_max         30.57
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.410
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.437
_refine_diff_density_min         -0.312
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         5036
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0866
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0511P)^2^+1.2391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1246
_refine_ls_wR_factor_ref         0.1494
_reflns_number_gt                3310
_reflns_number_total             5036
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rk2294.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2232034
_cod_database_fobs_code          2232034