Spontaneous Resolution of a Racemic Nickel(II) Complex and Helicity Induction via Hydrogen Bonding: The Effect of Chiral Building Blocks on the Helicity of One-Dimensional Chains
Guang-Chuan Ou; Long Jiang; Xiao-Long Feng; Tong-Bu Lu; Inorganic Chemistry 47 (2008) 2710–2718; doi:10.1021/ic7021424

data_4304594
_publ_section_title
;
Spontaneous Resolution of a Racemic Nickel(II) Complex and Helicity
Induction via Hydrogen Bonding: The Effect of Chiral Building Blocks on the
Helicity of One-Dimensional Chains
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2710
_journal_page_last               2718
_journal_paper_doi               10.1021/ic7021424
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C25 H46 Cl N5 Ni O6'
_chemical_formula_weight         606.83
_space_group_IT_number           78
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6159(9)
_cell_length_b                   12.6159(9)
_cell_length_c                   18.211(3)
_cell_measurement_temperature    173(2)
_cell_volume                     2898.5(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0337
_diffrn_reflns_av_sigmaI/netI    0.0597
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            15241
_diffrn_reflns_theta_full        27.09
_diffrn_reflns_theta_max         27.09
_diffrn_reflns_theta_min         1.96
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.808
_exptl_absorpt_correction_T_max  0.8422
_exptl_absorpt_correction_T_min  0.6976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.391
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.328
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.058
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.003(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         6142
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0370P)^2^+0.6584P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0792
_refine_ls_wR_factor_ref         0.0868
_reflns_number_gt                4959
_reflns_number_total             6142
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic7021424-file003.cif
_cod_data_source_block           61221m
_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_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_cell_volume        2898.4(5)
_cod_database_code               4304594