A New Route to Supramolecular Isomers via Molecular Templating: Nanosized Molecular Polygons of Copper(I) 2-Methylimidazolates
Xiao-Chun Huang; Jie-Peng Zhang; Xiao-Ming Chen; Journal of the American Chemical Society 126 (2004) 13218–13219; doi:10.1021/ja045249l

data_4113039
_publ_contact_author
;
       Chen, Xiao-Ming
       School of Chemistry and Chemical Engineering
       Sun Yat-Sen University
       Guangzhou, 510275
       P. R. China
;
_publ_contact_author_email       cescxm@zsu.edu.cn
_publ_contact_author_fax         '86 20 84112245'
_publ_contact_author_phone       86-20-84113986
_publ_section_title
;
 A New Route to Supramolecular Isomers via Molecular Templating: Nanosized
 Molecular Polygons of Copper(I) 2-Methylimidazolates
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13218
_journal_page_last               13219
_journal_paper_doi               10.1021/ja045249l
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C38 H52 Cu8 N16'
_chemical_formula_weight         1241.28
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_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                   20.8445(13)
_cell_length_b                   10.8978(7)
_cell_length_c                   20.9081(13)
_cell_measurement_temperature    123(2)
_cell_volume                     4749.5(5)
_computing_cell_refinement
;
         'SAINT-PLUS for Windows NT, Ver. 6.0, Bruker AXS Inc., 1997.'
;
_computing_data_collection
;
         'SMART for Windows NT, Bruker AXS Inc., 1998.'
;
_computing_data_reduction
;
          'SAINT-PLUS for Windows NT, Ver. 6.0, Bruker AXS Inc., 1997.'
;
_computing_molecular_graphics
;
      'XP-Interactive Molecular Graphics, Ver. 6.10, Bruker AXS Inc., 2000.'
;
_computing_publication_material  'SHELXTL-Bruker AXS Inc., 1998.'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Bruker Apex CCD'
_diffrn_measurement_method       '\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  0.0209
_diffrn_reflns_av_sigmaI/netI    0.0355
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            11314
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    3.556
_exptl_absorpt_correction_T_max  0.6176
_exptl_absorpt_correction_T_min  0.4359
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.736
_exptl_crystal_description       plate
_exptl_crystal_F_000             2496
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.671
_refine_diff_density_min         -0.549
_refine_diff_density_rms         0.100
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.004(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         5190
_refine_ls_number_restraints     41
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0304
_refine_ls_R_factor_gt           0.0285
_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^)+(0.0474P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0797
_refine_ls_wR_factor_ref         0.0805
_reflns_number_gt                4896
_reflns_number_total             5190
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja045249lsi20040812_020015_5.cif
_cod_data_source_block           compound_[Cu8(mim)8]cyclohexane
_cod_database_code               4113039