A combination of the 'pillaring' strategy and chiral induction: an approach to prepare homochiral three-dimensional coordination polymers from achiral precursors
Yuehong Wen; Tianlu Sheng; Zhihao Sun; Zhenzhen Xue; Yanlong Wang; Yong Wang; Shengmin Hu; Xiao Ma; Xintao Wu; Chem.Commun. 50 (2014) 8320–; doi:10.1039/C4cc03478C

data_7115335
_publ_section_title
;
 A combination of the 'pillaring' strategy and chiral induction: an
 approach to prepare homochiral three-dimensional coordination polymers
 from achiral precursors
;
_journal_name_full               Chem.Commun.
_journal_page_first              8320
_journal_paper_doi               10.1039/C4cc03478C
_journal_volume                  50
_journal_year                    2014
_chemical_absolute_configuration unk
_chemical_formula_sum            'C14 H30 Cr N4 O10 Zn'
_chemical_formula_weight         531.79
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 91.45(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.85(3)
_cell_length_b                   12.77(2)
_cell_length_c                   6.939(14)
_cell_measurement_reflns_used    1711
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4584
_cell_measurement_theta_min      2.1700
_cell_volume                     1227(4)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Saturn724+ (2x2 bin mode)'
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0713
_diffrn_reflns_av_sigmaI/netI    0.0940
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            6558
_diffrn_reflns_theta_full        27.37
_diffrn_reflns_theta_max         27.37
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    1.471
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7100
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.1500
_exptl_crystal_size_min          0.1000
_refine_diff_density_max         1.220
_refine_diff_density_min         -0.789
_refine_diff_density_rms         0.118
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.07(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     122
_refine_ls_number_reflns         2674
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0731
_refine_ls_R_factor_gt           0.0614
_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^)+(0.0799P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1492
_refine_ls_wR_factor_ref         0.1571
_reflns_number_gt                2129
_reflns_number_total             2674
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc03478c2.cif
_cod_data_source_block           a4
_cod_original_sg_symbol_H-M      C2
_cod_database_code               7115335