2-Methoxy-4,6-diphenylnicotinonitrile
Mague, Joel T.; Abdel-Aziz, Alaa A.-M.; El-Azab, Adel S.; Al-Swaidan, Ibrahim A.; Acta Crystallographica Section E 70 (2014) o228–; doi:10.1107/S1600536814001755

data_2239028
_publ_section_title
;
 2-Methoxy-4,6-diphenylnicotinonitrile
;
_journal_coeditor_code           LH5683
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o228
_journal_paper_doi               10.1107/S1600536814001755
_journal_volume                  70
_journal_year                    2014
_chemical_formula_iupac          'C19 H14 N2 O'
_chemical_formula_moiety         'C19 H14 N2 O'
_chemical_formula_sum            'C19 H14 N2 O'
_chemical_formula_weight         286.32
_chemical_name_systematic
;
2-Methoxy-4,6-diphenylnicotinonitrile
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_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                   15.0686(16)
_cell_length_b                   24.327(3)
_cell_length_c                   3.8986(4)
_cell_measurement_reflns_used    7963
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.36
_cell_measurement_theta_min      2.70
_cell_volume                     1429.1(3)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2010)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'DIAMOND (Brandenburg & Putz, 2012)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Bruker SMART APEXII CCD'
_diffrn_measurement_method       '\f and \w 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  0.0465
_diffrn_reflns_av_sigmaI/netI    0.0411
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            12356
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.46
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9950
_exptl_absorpt_correction_T_min  0.9818
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.213
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         3344
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0481
_refine_ls_R_factor_gt           0.0404
_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^)+(0.0325P)^2^+0.4770P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0933
_reflns_number_gt                2983
_reflns_number_total             3344
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh5683sup1.cif
_cod_data_source_block           I
_cod_database_code               2239028
_cod_database_fobs_code          2239028
_shelx_hkl_checksum              94884
_shelx_res_checksum              76126