4-Hydroxy-1,1'-bis[(<i>S</i>)-1-phenylethyl]-5,5',6,6'-tetrahydro-3,4'-bipyridine-2,2'(1<i>H</i>,1'<i>H</i>)-dione
Romero, Nancy; Gnecco, Dino; Terán, Joel; Bernès, Sylvain; Acta Crystallographica Section E 69 (2013) o408–o409; doi:10.1107/S1600536813004017

data_2237538
_publ_section_title
;
 4-Hydroxy-1,1'-bis[(<i>S</i>)-1-phenylethyl]-5,5',6,6'-tetrahydro-3,4'-bipyridine-2,2'(1<i>H</i>,1'<i>H</i>)-dione
;
_journal_coeditor_code           NR2039
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o408
_journal_page_last               o409
_journal_paper_doi               10.1107/S1600536813004017
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C26 H28 N2 O3'
_chemical_formula_moiety         'C26 H28 N2 O3'
_chemical_formula_sum            'C26 H28 N2 O3'
_chemical_formula_weight         416.50
_chemical_melting_point          444
_chemical_name_systematic
4-Hydroxy-1,1'-bis[(<i>S</i>)-1-phenylethyl]-5,5',6,6'-tetrahydro-3,4'-bipyridine-2,2'(1<i>H</i>,1'<i>H</i>)-dione
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6647(13)
_cell_length_b                   9.7281(10)
_cell_length_c                   23.684(3)
_cell_measurement_reflns_used    62
_cell_measurement_temperature    296.0(10)
_cell_measurement_theta_max      11.95
_cell_measurement_theta_min      4.71
_cell_volume                     2226.7(5)
_computing_cell_refinement       'XSCANS (Siemens, 1996)'
_computing_data_collection       'XSCANS (Siemens, 1996)'
_computing_data_reduction        'XSCANS (Siemens, 1996)'
_computing_molecular_graphics    '<i>Mercury</i> (Macrae <i>et al.</i>, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.0(10)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0193
_diffrn_reflns_av_sigmaI/netI    0.0382
_diffrn_reflns_limit_h_max       2
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       1
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -1
_diffrn_reflns_number            3173
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.26
_diffrn_standards_decay_%        1.5
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.242
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.186
_refine_diff_density_min         -0.146
_refine_ls_abs_structure_details
;
Assigned from synthesis. Friedel pairs (621) were merged
;
_refine_ls_extinction_coef       0.0098(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     286
_refine_ls_number_reflns         2250
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0533
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0483P)^2^+0.2404P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0881
_refine_ls_wR_factor_ref         0.0953
_reflns_number_gt                1843
_reflns_number_total             2250
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            nr2039.cif
_cod_data_source_block           I
_cod_database_code               2237538
_cod_database_fobs_code          2237538