3-Ethyl 5-methyl 2-hydroxy-6-methyl-4-(4-nitrophenyl)-2-trifluoromethyl-1,2,3,4-tetrahydropyridine-3,5-dicarboxylate
Yu, Chen-Xia; Qian, Pei-Li; Ping, Jia-Jing; Yao, Chang-Sheng; Acta Crystallographica Section E 64 (2008) o1737–; doi:10.1107/S1600536808024835

data_2219287
_publ_section_title
;3-Ethyl 5-methyl
 2-hydroxy-6-methyl-4-(4-nitrophenyl)-2-trifluoromethyl-1,2,3,4-tetrahydropyridine-3,5-dicarboxylate
;
_journal_coeditor_code           CI2642
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1737
_journal_paper_doi               10.1107/S1600536808024835
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C18 H19 F3 N2 O7'
_chemical_formula_moiety         'C18 H19 F3 N2 O7'
_chemical_formula_sum            'C18 H19 F3 N2 O7'
_chemical_formula_weight         432.35
_chemical_name_systematic
;
3-Ethyl 5-methyl 2-hydroxy-6-methyl-4-(4-nitrophenyl)-2-trifluoromethyl-
1,2,3,4-tetrahydropyridine-3,5-dicarboxylate
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 95.72(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.678(6)
_cell_length_b                   9.6678(19)
_cell_length_c                   14.120(3)
_cell_measurement_reflns_used    3562
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.2
_cell_volume                     3895.3(14)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC, 2002)'
_computing_data_collection       'CrystalClear (Rigaku/MSC, 2002)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC, 2002)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0426
_diffrn_reflns_av_sigmaI/netI    0.0353
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11673
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.22
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.131
_exptl_absorpt_correction_T_max  0.9948
_exptl_absorpt_correction_T_min  0.9793
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku/MSC, 2002)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.475
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.222
_refine_diff_density_min         -0.205
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         3438
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0703
_refine_ls_R_factor_gt           0.0520
_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^)+(0.0873P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1499
_reflns_number_gt                2572
_reflns_number_total             3438
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2642.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_cell_volume        3895.1(13)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2219287
_cod_database_fobs_code          2219287