Homochiral Frameworks Formed by Reactions of Lanthanide Ions with a Chiral Antimony Tartrate Secondary Building Unit
Qiang Gao; Xiqu Wang; Allan J. Jacobson; Inorganic Chemistry 50 (2011) 9073–9082; doi:10.1021/ic201274c

data_4326274
_publ_section_title
;
 Homochiral Frameworks Formed by Reactions of Lanthanide Ions with a
 Chiral Antimony Tartrate Secondary Building Unit
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9073
_journal_page_last               9082
_journal_paper_doi               10.1021/ic201274c
_journal_volume                  50
_journal_year                    2011
_chemical_absolute_configuration rm
_chemical_formula_sum            'C24 H42 La2 O51 Sb6'
_chemical_formula_weight         2154.90
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 109.68
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.4771(2)
_cell_length_b                   26.3184(6)
_cell_length_c                   12.1893(3)
_cell_measurement_reflns_used    9896
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.35
_cell_volume                     2560.63(11)
_computing_cell_refinement       Bruker-ApexII
_computing_data_collection       Bruker-ApexII
_computing_data_reduction        Bruker-ApexII
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_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  0.0189
_diffrn_reflns_av_sigmaI/netI    0.0174
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16103
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    4.880
_exptl_absorpt_correction_T_max  0.393
_exptl_absorpt_correction_T_min  0.303
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.795
_exptl_crystal_description       plate
_exptl_crystal_F_000             2028
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.745
_refine_diff_density_min         -0.897
_refine_diff_density_rms         0.129
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.001(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constrain
_refine_ls_matrix_type           full
_refine_ls_number_parameters     748
_refine_ls_number_reflns         8571
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0189
_refine_ls_R_factor_gt           0.0187
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0342P)^2^+1.4767P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0496
_refine_ls_wR_factor_ref         0.0497
_reflns_number_gt                8525
_reflns_number_total             8571
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201274c_si_004_1.cif
_cod_data_source_block           2DI-La
_cod_original_cell_volume        2560.55(11)
_cod_database_code               4326274