(1<i>R</i>,2<i>R</i>)-(+)-4,4'-Di-<i>tert</i>-butyl-2,2'-[1,2-diphenylethane-1,2-diylbis(nitrilomethylidyne)]diphenol
Korendovych, Ivan V.; Makhlynets, Olga V.; Buzak, Sara K.; Flook, Margaret; Kryatov, Sergey V.; Haas, Terry E.; Rybak-Akimova, Elena V.; Acta Crystallographica Section E 62 (2006) o1240–o1242; doi:10.1107/S1600536806007136

data_2208651
_publ_section_title
(1<i>R</i>,2<i>R</i>)-(+)-4,4'-Di-<i>tert</i>-butyl-2,2'-[1,2-diphenylethane-1,2-diylbis(nitrilomethylidyne)]diphenol
_journal_coeditor_code           KP6083
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1240
_journal_page_last               o1242
_journal_paper_doi               10.1107/S1600536806007136
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C36 H40 N2 O2'
_chemical_formula_moiety         'C36 H40 N2 O2'
_chemical_formula_sum            'C36 H40 N2 O2'
_chemical_formula_weight         532.70
_chemical_name_systematic
;
(1R,2R)-(+)-4,4'-Di-tert-butyl-2,2'-[1,2-diphenylethane-1,2-
diylbis(nitrilomethylidyne)]diphenol
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.4213(16)
_cell_length_b                   22.729(4)
_cell_length_c                   6.3769(10)
_cell_measurement_reflns_used    1286
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.65
_cell_measurement_theta_min      2.65
_cell_volume                     1510.5(4)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  'XCIF in SHELXTL'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker SMART 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  0.1175
_diffrn_reflns_av_sigmaI/netI    0.1130
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            11737
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.79
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.171
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             572
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.192
_refine_diff_density_min         -0.162
_refine_ls_extinction_coef       0.031(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   0.878
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         2142
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      0.892
_refine_ls_R_factor_all          0.1410
_refine_ls_R_factor_gt           0.0476
_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^)+(0.0572P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1010
_refine_ls_wR_factor_ref         0.1263
_reflns_number_gt                979
_reflns_number_total             2142
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            kp6083.cif
_cod_data_source_block           I
_cod_original_cell_volume        1510.4(4)
_cod_database_code               2208651
_cod_database_fobs_code          2208651