A series of isoreticular chiral metal-organic frameworks as a tunable platform for asymmetric catalysis.
Ma, Liqing; Falkowski, Joseph M.; Abney, Carter; Lin, Wenbin; Nature chemistry 2 (2010) 838–846; doi:10.1038/nchem.738

data_1508089
_publ_section_title
;
 A series of isoreticular chiral metal-organic frameworks as a tunable
 platform for asymmetric catalysis.
;
_journal_issue                   10
_journal_name_full               'Nature chemistry'
_journal_page_first              838
_journal_page_last               846
_journal_paper_doi               10.1038/nchem.738
_journal_volume                  2
_journal_year                    2010
_chemical_formula_sum            'C48 H26 Cu2 O12'
_chemical_formula_weight         921.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           98
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_symmetry_space_group_name_Hall  'I 4bw 2bw'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.849(6)
_cell_length_b                   23.849(6)
_cell_length_c                   73.11(2)
_cell_measurement_reflns_used    2392
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      30.80
_cell_measurement_theta_min      2.58
_cell_volume                     41583(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
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_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            17765
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_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.364
_exptl_absorpt_correction_T_max  0.9308
_exptl_absorpt_correction_T_min  0.8986
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    0.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3744
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.058
_refine_diff_density_min         -0.151
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.891
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_refine_ls_number_reflns         3258
_refine_ls_number_restraints     123
_refine_ls_restrained_S_all      0.886
_refine_ls_R_factor_all          0.0851
_refine_ls_R_factor_gt           0.0521
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0700P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1261
_refine_ls_wR_factor_ref         0.1363
_reflns_number_gt                1943
_reflns_number_total             3258
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nchem.738-s5.cif
_cod_data_source_block           CMOF-3b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        41582(19)
_cod_original_sg_symbol_H-M      I4122
_cod_database_code               1508089