Metal self-recognition: a pathway to control the formation of dihelicates and mesocates.
Martínez-Calvo, Miguel; Romero, María J; Pedrido, Rosa; González-Noya, Ana M; Zaragoza, Guillermo; Bermejo, Manuel R.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 13395–13404; doi:10.1039/c2dt31770b

data_7029997
_publ_section_title
;
 Metal self-recognition: a pathway to control the formation of dihelicates
 and mesocates.
;
_journal_issue                   43
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13395
_journal_page_last               13404
_journal_paper_doi               10.1039/c2dt31770b
_journal_volume                  41
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C48 H40 Cd2 N16 O8 S4, 4(C2 H6 O S)'
_chemical_formula_sum            'C56 H64 Cd2 N16 O12 S8'
_chemical_formula_weight         1634.51
_chemical_name_systematic
;
?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2010-08-06T10:56:25-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   30.0597(13)
_cell_length_b                   8.3317(4)
_cell_length_c                   27.4037(12)
_cell_measurement_reflns_used    1898
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.18
_cell_measurement_theta_min      2.55
_cell_measurement_wavelength     0.71073
_cell_volume                     6863.2(5)
_computing_cell_refinement       'APPEX2 (BRUKER AXS, 2005)'
_computing_data_collection       'APPEX2 (BRUKER AXS, 2005)'
_computing_data_reduction        'APPEX2 (BRUKER AXS, 2005)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-97 (Giacovazzo et all, 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'BRUKER APPEX-II CCD'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0557
_diffrn_reflns_av_unetI/netI     0.0418
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            108959
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    0.933
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.8572
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.582
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3328
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.218
_refine_diff_density_min         -0.44
_refine_diff_density_rms         0.073
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.455(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     872
_refine_ls_number_reflns         13806
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.0463
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0245P)^2^+7.2442P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0664
_refine_ls_wR_factor_ref         0.0705
_reflns_number_gt                12050
_reflns_number_total             13806
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2dt31770b.txt
_cod_data_source_block           18CdPhNO2
_cod_original_formula_sum        'C56 H64 Cd2 N16 O12 S8 '
_cod_database_code               7029997