Hydrogen bonding due to regioisomerism and its effect on the supramolecular architecture of diethyl 2-[(2/4-hydroxyanilino)methylidene]malonates
Ilangovan, Andivelu; Venkatesan, Perumal; Ganesh Kumar, Rajendran; Acta Crystallographica Section C 69 (2013) 70–73; doi:10.1107/S0108270112047257

data_2018750
_publ_section_title
;
 Hydrogen bonding due to regioisomerism and its effect on the
 supramolecular architecture of diethyl
 2-[(2/4-hydroxyanilino)methylidene]malonates
;
_journal_coeditor_code           FN3116
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              70
_journal_page_last               73
_journal_paper_doi               10.1107/S0108270112047257
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C14 H17 N O5'
_chemical_formula_moiety         'C14 H17 N O5'
_chemical_formula_sum            'C14 H17 N O5'
_chemical_formula_weight         279.29
_chemical_name_systematic
;
Diethyl 2-[(2-hydroxyanilino)methylidene]malonate
;
_space_group_IT_number           57
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_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                   11.3011(3)
_cell_length_b                   19.2760(4)
_cell_length_c                   6.6725(2)
_cell_measurement_reflns_used    2008
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.22
_cell_measurement_theta_min      3.05
_cell_volume                     1453.54(7)
_computing_cell_refinement       'SMART (Bruker, 2008)'
_computing_data_collection       'SMART (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0273
_diffrn_reflns_av_sigmaI/netI    0.0219
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            7641
_diffrn_reflns_theta_full        26.77
_diffrn_reflns_theta_max         26.77
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.230
_refine_diff_density_min         -0.203
_refine_ls_extinction_coef       0.0072(16)
_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   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     132
_refine_ls_number_reflns         1690
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0699
_refine_ls_R_factor_gt           0.0487
_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^)+(0.0764P)^2^+0.2553P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1369
_refine_ls_wR_factor_ref         0.1543
_reflns_number_gt                1165
_reflns_number_total             1690
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            fn3116.cif
_cod_data_source_block           I
_cod_database_code               2018750