<i>rac</i>-<i>N</i>,<i>N</i>'-Dimethyl-<i>N</i>,<i>N</i>'-(1,1'-binaphthyl-2,2'-diyl)diformamide
Zeng, Jing; Ng, Seik Weng; Acta Crystallographica Section E 67 (2011) o3227–; doi:10.1107/S160053681104640X

data_2233011
_publ_section_title
;
 <i>rac</i>-<i>N</i>,<i>N</i>'-Dimethyl-<i>N</i>,<i>N</i>'-(1,1'-binaphthyl-2,2'-diyl)diformamide
;
_journal_coeditor_code           XU5377
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3227
_journal_paper_doi               10.1107/S160053681104640X
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C24 H20 N2 O2'
_chemical_formula_moiety         'C24 H20 N2 O2'
_chemical_formula_sum            'C24 H20 N2 O2'
_chemical_formula_weight         368.42
_chemical_name_systematic
;
<i>rac</i>-<i>N</i>,<i>N</i>'-Dimethyl-<i>N</i>,<i>N</i>'-(1,1'-binaphthyl-
2,2'-diyl)diformamide
;
_space_group_IT_number           80
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I 4bw'
_symmetry_space_group_name_H-M   'I 41'
_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                   11.6548(12)
_cell_length_b                   11.6548
_cell_length_c                   13.9171(15)
_cell_measurement_reflns_used    2958
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.10
_cell_measurement_theta_min      2.28
_cell_volume                     1890.4(3)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC, 2005)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Saturn CCD area-detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0441
_diffrn_reflns_av_sigmaI/netI    0.0205
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11169
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.9868
_exptl_absorpt_correction_T_min  0.9723
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku/MSC, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.200
_refine_diff_density_min         -0.143
_refine_ls_extinction_coef       0.012(3)
_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   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         1091
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0390
_refine_ls_R_factor_gt           0.0375
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0702P)^2^+0.3273P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0996
_refine_ls_wR_factor_ref         0.1009
_reflns_number_gt                1051
_reflns_number_total             1091
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu5377.cif
_cod_data_source_block           I
_cod_database_code               2233011
_cod_database_fobs_code          2233011