Spontaneous symmetry breaking of Co(II) metal-organic frameworks from achiral precursors via asymmetrical crystallization
Ya-Dong Yu; Chan Luo; Bao-Yu Liu; Xiao-Chun Huang; Dan Li; Chem.Commun. 51 (2015) 14489–; doi:10.1039/C5cc06166K

data_7117810
_publ_section_title
;
 Spontaneous symmetry breaking of Co(II) metal-organic frameworks from
 achiral precursors via asymmetrical crystallization
;
_journal_name_full               Chem.Commun.
_journal_page_first              14489
_journal_paper_doi               10.1039/C5cc06166K
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C24 H15 Co6 N13 O12'
_chemical_formula_weight         1031.07
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           198
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'P 2ac 2ab 3'
_symmetry_space_group_name_H-M   'P 21 3'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-08-03 deposited with the CCDC.
2015-08-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.4611(2)
_cell_length_b                   17.4611(2)
_cell_length_c                   17.4611(2)
_cell_measurement_reflns_used    1611
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.2410
_cell_measurement_theta_min      3.6920
_cell_volume                     5323.72(11)
_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_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0706
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            6066
_diffrn_reflns_theta_full        24.96
_diffrn_reflns_theta_max         24.96
_diffrn_reflns_theta_min         3.50
_diffrn_standards_decay_%        'not available'
_diffrn_standards_interval_count 'not available'
_diffrn_standards_interval_time  'not available'
_diffrn_standards_number         'not available'
_exptl_absorpt_coefficient_mu    1.878
_exptl_absorpt_correction_T_max  0.6828
_exptl_absorpt_correction_T_min  0.6614
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET) 
Empirical absorption correction using spherical harmonics, 
implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            blackish-purple
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'triangular or irregular'
_exptl_crystal_F_000             2032
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.22
_platon_squeeze_details          ' ?'
_refine_diff_density_max         1.045
_refine_diff_density_min         -0.503
_refine_diff_density_rms         0.149
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     169
_refine_ls_number_reflns         2754
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0710
_refine_ls_R_factor_gt           0.0557
_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^)+(0.1083P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1594
_refine_ls_wR_factor_ref         0.1716
_reflns_number_gt                2340
_reflns_number_total             2754
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc06166k2.cif
_cod_data_source_block           1
_cod_original_cell_volume        5323.71(11)
_cod_original_sg_symbol_H-M      'P 2 1 1'
_cod_database_code               7117810
_platon_squeeze_void_probe_radius 1.20