N⋯π and O⋯π interactions rather than “directed” hydrogen bonding in the crystal packing of ethyl (Z)-2-cyano-3-[(4-alkoxyphenyl)amino]prop-2-enoates
Zhang, Zhenfeng; Wu, Yanbo; Zhang, Guisheng; CrystEngComm 13 (2011) 4496–; doi:10.1039/c1ce05199g

data_7206247
_publ_section_title
;
 N&#x22EF;\p and O&#x22EF;\p interactions rather than
 &#x201C;directed&#x201D; hydrogen bonding in the crystal packing of
 ethyl (Z)-2-cyano-3-[(4-alkoxyphenyl)amino]prop-2-enoates
;
_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              4496
_journal_paper_doi               10.1039/c1ce05199g
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C14 H16 N2 O3'
_chemical_formula_weight         260.29
_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                79.947(2)
_cell_angle_beta                 84.258(2)
_cell_angle_gamma                79.707(2)
_cell_formula_units_Z            4
_cell_length_a                   8.4186(10)
_cell_length_b                   12.5730(15)
_cell_length_c                   13.2177(15)
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.23
_cell_measurement_theta_min      3.55
_cell_volume                     1352.0(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  '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  0.0218
_diffrn_reflns_av_sigmaI/netI    0.0256
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15248
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9825
_exptl_absorpt_correction_T_min  0.9739
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.193
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     341
_refine_ls_number_reflns         5218
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0799
_refine_ls_R_factor_gt           0.0464
_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^)+(0.0665P)^2^+0.2061P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1207
_refine_ls_wR_factor_ref         0.1451
_reflns_number_gt                3252
_reflns_number_total             5218
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05199g.txt
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7206247