Isostructuralism in a series of methylester/methylamide derivatives of (<i>R</i>,<i>R</i>)-<i>O</i>,<i>O</i>'-dibenzoyl tartaric acid; inclusion properties and guest-dependent homeotypism of the crystals of (<i>R</i>,<i>R</i>)-<i>O</i>,<i>O</i>'-dibenzoyltartaric acid diamide
Rychlewska, Urszula; Warżajtis, Beata; Acta Crystallographica Section B 58 (2002) 265–271; doi:10.1107/S0108768101019334

data_2103259
_publ_section_title
;
 Isostructuralism in a series of methylester/methylamide derivatives of
 (<i>R</i>,<i>R</i>)-<i>O</i>,<i>O</i>'-dibenzoyl tartaric acid;
 inclusion properties and guest-dependent homeotypism of the crystals
 of (<i>R</i>,<i>R</i>)-<i>O</i>,<i>O</i>'-dibenzoyltartaric acid
 diamide
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              265
_journal_page_last               271
_journal_paper_doi               10.1107/S0108768101019334
_journal_volume                  58
_journal_year                    2002
_chemical_formula_moiety         '(C18 H16 N2 O6), (C4 H8 O2)'
_chemical_formula_sum            'C22 H24 N2 O8'
_chemical_formula_weight         444.43
_chemical_name_systematic
;
(R,R)-(-)-O,O'-Dibenzoyltartaric acid diamide
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                   5.2530(10)
_cell_length_b                   26.748(5)
_cell_length_c                   15.621(3)
_cell_measurement_reflns_used    51
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.58
_cell_measurement_theta_min      12.22
_cell_volume                     2194.9(7)
_computing_cell_refinement       'Kuma KM-4 software (Kuma Diffraction, 1991)'
_computing_data_collection       'Kuma KM-4 software (Kuma Diffraction, 1991)'
_computing_data_reduction        'Kuma KM-4 software (Kuma Diffraction, 1991)'
_computing_molecular_graphics    'Simens Analytical X-Ray Instruments (1989)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'KM-4 four circle diffractometer'
_diffrn_measurement_method       \Q--2\Q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0218
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1886
_diffrn_reflns_theta_full        65.15
_diffrn_reflns_theta_max         65.15
_diffrn_reflns_theta_min         3.30
_diffrn_standards_decay_%        2.15
_diffrn_standards_interval_count 100
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.870
_exptl_absorpt_correction_T_max  0.9578
_exptl_absorpt_correction_T_min  0.7224
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.345
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.241
_refine_diff_density_min         -0.179
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack
;
-0.3(4)
The absolute structure of the crystals was assumed from the known absolute
configuration of the reagents used in the synthesis.
;
_refine_ls_extinction_coef       0.0020(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         1795
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0811
_refine_ls_R_factor_gt           0.0485
_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^)+(0.0893P)^2^+0.2101P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1272
_refine_ls_wR_factor_ref         0.1392
_reflns_number_gt                1410
_reflns_number_total             1795
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            na0128.cif
_cod_data_source_block           bn11+1,4-dioxane
_cod_database_code               2103259