Conversion from a heterochiral [2 + 2] coaxially nested double-helical column to a cationic spiral staircase stimulated by an ionic liquid anion.
Qin, Jianhua; Jia, Yanyuan; Li, Huijun; Zhao, Bei; Wu, Dongqing; Zang, Shuangquan; Hou, Hongwei; Fan, Yaoting; Inorganic chemistry 53 (2014) 685–687; doi:10.1021/ic402598p

data_4337086
_publ_section_title
;
 Conversion from a heterochiral [2 + 2] coaxially nested double-helical
 column to a cationic spiral staircase stimulated by an ionic liquid
 anion.
;
_journal_issue                   2
_journal_name_full               'Inorganic chemistry'
_journal_page_first              685
_journal_page_last               687
_journal_paper_doi               10.1021/ic402598p
_journal_volume                  53
_journal_year                    2014
_chemical_formula_sum            'C42 H40 Mn4 N22 O15'
_chemical_formula_weight         1312.72
_chemical_name_systematic
;

 ?

;
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :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                   22.671(4)
_cell_length_b                   22.671(4)
_cell_length_c                   10.073(3)
_cell_measurement_reflns_used    4682
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.78
_cell_measurement_theta_min      2.54
_cell_volume                     5177(2)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0662
_diffrn_reflns_av_sigmaI/netI    0.0386
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            37104
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    1.044
_exptl_absorpt_correction_T_max  0.7856
_exptl_absorpt_correction_T_min  0.6465
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            YELLOW
_exptl_crystal_density_diffrn    1.684
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             2664
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.949
_refine_diff_density_min         -0.771
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         4769
_refine_ls_number_restraints     132
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0951
_refine_ls_R_factor_gt           0.0654
_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^)+(0.1171P)^2^+8.7127P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1744
_refine_ls_wR_factor_ref         0.2037
_reflns_number_gt                3296
_reflns_number_total             4769
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic402598p_si_002.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed
to 'constr' according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P4(2)/n
_cod_database_code               4337086