Four Zinc(II) Helical Coordination Polymers and 78-Membered Six-Node Zinc Metallacycle Assembled from Diastereopure N,N'-Bis(acetylacetone)cyclohexanediimine
Bi-Xue Zhu; Qi-Long Zhang; Yun-Qian Zhang; Tao Zhu; Jack K. Clegg; Leonard F. Lindoy; Gang Wei; Inorganic Chemistry 47 (2008) 10053–10061; doi:10.1021/ic801329g

data_4306509
_publ_section_title
;
Four Zinc(II) Helical Coordination Polymers and 78-Membered Six-Node Zinc
Metallacycle Assembled from
Diastereopure N,N'-Bis(acetylacetone)cyclohexanediimine
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10053
_journal_page_last               10061
_journal_paper_doi               10.1021/ic801329g
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C96 H156 Cl12 N12 O12 Zn6, 2(H2 O)'
_chemical_formula_sum            'C96 H160 Cl12 N12 O14 Zn6'
_chemical_formula_weight         2524.14
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   24.2216(8)
_cell_length_b                   24.2216(8)
_cell_length_c                   18.5242(12)
_cell_measurement_temperature    293(2)
_cell_volume                     9411.9(8)
_computing_cell_refinement       'SAINT (Bruker-Nonius, 2003)'
_computing_data_collection       'APEX (Bruker-Nonius, 2003)'
_computing_data_reduction
'SAINT (Bruker-Nonius, 2003), XPREP (Bruker-Nonius, 2003)'
_computing_molecular_graphics
;ORTEP-3 (Farrugia, 1997)
WINGX-32 (Farrugia, 1999) 
;
_computing_publication_material  'enCIFer 1.1 (CCDC, 2005)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker CCD Area Detector'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0675
_diffrn_reflns_av_sigmaI/netI    0.0414
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            31493
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.47
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.440
_exptl_absorpt_correction_T_max  0.7637
_exptl_absorpt_correction_T_min  0.6816
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3960
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.856
_refine_diff_density_min         -0.342
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     215
_refine_ls_number_reflns         4100
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0699P)^2^+13.8045P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1265
_refine_ls_wR_factor_ref         0.1367
_reflns_number_gt                2941
_reflns_number_total             4100
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801329g_si_006.cif
_cod_data_source_block           p
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal' 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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4306509