Synthesis and structural characteristics of lithocholate triads: steroid-type channels occupied by spacer fragments
Rychlewska, Urszula; Warżajtis, Beata; Joachimiak, Roman; Paryzek, Zdzisław; Acta Crystallographica Section B 64 (2008) 383–392; doi:10.1107/S0108768108006514

data_2104116
_publ_contact_author
;
Urszula Rychlewska
Faculty of Chemistry
Adam Mickiewicz University
Grunwaldzka 6
60-780 Pozna\'n
Poland
;
_publ_section_title
;
 Synthesis and structural characteristics of lithocholate triads:
 steroid-type channels occupied by spacer fragments
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              383
_journal_page_last               392
_journal_paper_doi               10.1107/S0108768108006514
_journal_volume                  64
_journal_year                    2008
_chemical_formula_moiety         'C56 H90 N2 O8, 0.5(C H3 O H)'
_chemical_formula_sum            'C56.5 H92 N2 O8.5'
_chemical_formula_weight         935.32
_chemical_melting_point          290
_chemical_name_systematic
;
bis(23-methoxycarbonyl-24-nor-5beta-cholan-3alpha-yl)
piperazine 1,4-dicarboxylate
;
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                103.040(13)
_cell_angle_beta                 101.086(10)
_cell_angle_gamma                90.463(9)
_cell_formula_units_Z            1
_cell_length_a                   7.7755(9)
_cell_length_b                   9.8697(11)
_cell_length_c                   17.754(2)
_cell_measurement_reflns_used    1437
_cell_measurement_temperature    130(2)
_cell_volume                     1300.7(3)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction (2004b)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction (2004a)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction (2004b)
;
_computing_molecular_graphics
;
Simens Analytical X-Ray Instruments (1989)
Mercury (Bruno at al. 2002)
;
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Kuma KM4CCD \k-geometry diffractometer'
_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  0.0522
_diffrn_reflns_av_sigmaI/netI    0.1169
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10039
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         3.32
_diffrn_standards_interval_count 'every 50 dc frames'
_diffrn_standards_number         '3 reference frames'
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             513
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.289
_refine_diff_density_min         -0.219
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.984
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     619
_refine_ls_number_reflns         4568
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.1343
_refine_ls_R_factor_gt           0.0700
_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^)+(0.0706P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1326
_refine_ls_wR_factor_ref         0.1589
_reflns_number_gt                2473
_reflns_number_total             4568
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bk5073.cif
_cod_data_source_block           70.5MeOH
_cod_original_sg_symbol_H-M      P1
_cod_original_formula_sum        'C56.50 H92 N2 O8.50'
_cod_database_code               2104116