A new type of three-dimensional framework constructed from dodecanuclear cadmium(II) macrocycles
Wang, Ruihu; Hong, Maochun; Luo, Junhua; Cao, Rong; Weng, Jiabao; Chemical Communications (Cambridge, United Kingdom)  (2003) 1018–1019; doi:10.1039/b212425d

data_7104066
_publ_section_title
;
 A new type of three-dimensional framework constructed from dodecanuclear
 cadmium(II) macrocycles
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   8
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1018
_journal_page_last               1019
_journal_paper_doi               10.1039/b212425d
_journal_year                    2003
_chemical_formula_sum            'C32 H21 Cd2 N3 O8'
_chemical_formula_weight         800.32
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            18
_cell_length_a                   39.6981(4)
_cell_length_b                   39.6981(4)
_cell_length_c                   9.5923(2)
_cell_measurement_reflns_used    15398
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.01
_cell_measurement_theta_min      1.03
_cell_volume                     13091.6(3)
_computing_cell_refinement       'XEMP in SHELXTL (Siemens, 1994)'
_computing_data_collection       'XEMP in SHELXTL (Siemens, 1994)'
_computing_data_reduction        'XEMP in SHELXTL (Siemens, 1994)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Smart 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  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       45
_diffrn_reflns_limit_h_min       -47
_diffrn_reflns_limit_k_max       47
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            15398
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.03
_exptl_absorpt_coefficient_mu    1.521
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.465
_exptl_absorpt_correction_type   emperical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.827
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       prism
_exptl_crystal_F_000             7092
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.131
_refine_diff_density_min         -0.683
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.273
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     409
_refine_ls_number_reflns         5136
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.273
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0463
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0235P)^2^+132.9226P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0947
_refine_ls_wR_factor_ref         0.1027
_reflns_number_gt                4148
_reflns_number_total             5136
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b212425d.txt
_cod_data_source_block           w
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               7104066