6-(4-Bromophenyl)-2-ethoxy-4-(2,4,6-trimethoxyphenyl)nicotinonitrile
Chantrapromma, Suchada; Fun, Hoong-Kun; Suwunwong, Thitipone; Padaki, Mahesh; Isloor, Arun M.; Acta Crystallographica Section E 65 (2009) o2914–o2915; doi:10.1107/S1600536809043943

data_2223870
_publ_section_title
;
 6-(4-Bromophenyl)-2-ethoxy-4-(2,4,6-trimethoxyphenyl)nicotinonitrile
;
_journal_coeditor_code           IS2473
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2914
_journal_page_last               o2915
_journal_paper_doi               10.1107/S1600536809043943
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C23 H21 Br N2 O4'
_chemical_formula_moiety         'C23 H21 Br N2 O4'
_chemical_formula_sum            'C23 H21 Br N2 O4'
_chemical_formula_weight         469.32
_chemical_melting_point_gt       423
_chemical_melting_point_lt       424
_chemical_name_systematic
;
6-(4-Bromophenyl)-2-ethoxy-4-(2,4,6-trimethoxyphenyl)nicotinonitrile
;
_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                 95.0810(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.1799(2)
_cell_length_b                   18.0877(3)
_cell_length_c                   16.6881(2)
_cell_measurement_reflns_used    18727
_cell_measurement_temperature    100
_cell_measurement_theta_max      35.00
_cell_measurement_theta_min      2.13
_cell_volume                     4263.37(11)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0435
_diffrn_reflns_av_sigmaI/netI    0.0501
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            85168
_diffrn_reflns_theta_full        35.00
_diffrn_reflns_theta_max         35.00
_diffrn_reflns_theta_min         2.13
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.960
_exptl_absorpt_correction_T_max  0.6690
_exptl_absorpt_correction_T_min  0.4371
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2005)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1920
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.49
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.504
_refine_diff_density_min         -0.453
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     549
_refine_ls_number_reflns         18727
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0826
_refine_ls_R_factor_gt           0.0383
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0378P)^2^+1.2763P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0794
_refine_ls_wR_factor_ref         0.0952
_reflns_number_gt                12072
_reflns_number_total             18727
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is2473.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        4263.38(11)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2223870
_cod_database_fobs_code          2223870