(<i>Z</i>)-Ethyl 3-(2,4,6-trimethylanilino)but-2-enoate
Amézquita-Valencia, Manuel; Hernández-Ortega, Simón; Suárez-Ortiz, G. Alejandra; Toscano, Rubén Alfredo; Cabrera, Armando; Acta Crystallographica Section E 65 (2009) o2728–; doi:10.1107/S160053680903949X

data_2223626
_publ_section_title
;
 (<i>Z</i>)-Ethyl 3-(2,4,6-trimethylanilino)but-2-enoate
;
_journal_coeditor_code           BT5072
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2728
_journal_paper_doi               10.1107/S160053680903949X
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C15 H21 N O2'
_chemical_formula_moiety         'C15 H21 N O2'
_chemical_formula_sum            'C15 H21 N O2'
_chemical_formula_weight         247.33
_chemical_melting_point          338.2
_chemical_name_systematic
;
(<i>Z</i>)-Ethyl 3-(2,4,6-trimethylanilino)but-2-enoate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 93.976(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5647(8)
_cell_length_b                   20.6131(19)
_cell_length_c                   8.2404(8)
_cell_measurement_reflns_used    5426
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.30
_cell_measurement_theta_min      2.58
_cell_volume                     1451.3(2)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_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      298(2)
_diffrn_detector_area_resol_mean 0.661
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       \w
_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  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0202
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            11717
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.98
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9886
_exptl_absorpt_correction_T_min  0.9696
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.132
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.484
_exptl_crystal_size_mid          0.370
_exptl_crystal_size_min          0.146
_refine_diff_density_max         0.191
_refine_diff_density_min         -0.209
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     166
_refine_ls_number_reflns         2634
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0582
_refine_ls_R_factor_gt           0.0494
_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^)+(0.0824P)^2^+0.188P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1358
_refine_ls_wR_factor_ref         0.1450
_reflns_number_gt                2160
_reflns_number_total             2634
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt5072.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 21/c'
_cod_database_code               2223626
_cod_database_fobs_code          2223626