Interplay between the diamine structure and absolute helicity in Nisalen metallofoldamers
Zhenzhen Dong; Shi Bai; Glenn P. A. Yap; Joseph M. Fox; Chem.Commun. 47 (2011) 3781–; doi:10.1039/c0cc04794e

data_7106141
_publ_section_title
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 Interplay between the diamine structure and absolute helicity in
 Ni&#x0096;salen metallofoldamers
;
_journal_name_full               Chem.Commun.
_journal_page_first              3781
_journal_paper_doi               10.1039/c0cc04794e
_journal_volume                  47
_journal_year                    2011
_chemical_absolute_configuration rmad
_chemical_formula_sum            'C86 H82 N6 Ni O12'
_chemical_formula_weight         1450.29
_chemical_name_systematic
;
?
;
_space_group_IT_number           92
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_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                   16.527(3)
_cell_length_b                   16.527(3)
_cell_length_c                   27.868(6)
_cell_measurement_reflns_used    1021
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.95
_cell_measurement_theta_min      2.57
_cell_volume                     7612(3)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2001)'
_computing_publication_material  'SHELXTL (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       \w
_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  0.0733
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            82722
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         1.74
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.321
_exptl_absorpt_correction_T_max  0.9552
_exptl_absorpt_correction_T_min  0.9222
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3056
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.838
_refine_diff_density_min         -0.582
_refine_diff_density_rms         0.089
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     477
_refine_ls_number_reflns         9039
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.1141
_refine_ls_R_factor_gt           0.0664
_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^)+(0.1137P)^2^+16.6699P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1750
_refine_ls_wR_factor_ref         0.2354
_reflns_number_gt                6933
_reflns_number_total             9039
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc04794e.txt
_cod_data_source_block           joef065
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      P4(1)2(1)2
_cod_database_code               7106141