Polycyano‒polycadmate host clathrates including a methylviologen dication. Syntheses, crystal structures and photo-induced reduction of methylviologen dication
Yoshikawa, Hirofumi; Nishikiori, Shin-ichi; Watanabe, Tokuko; Ishida, Toshimasa; Watanabe, Go; Murakami, Makoto; Suwinska, Kinga; Luboradzki, Roman; Lipkowski, Janusz; Journal of the Chemical Society, Dalton Transactions  (2002) 1907–; doi:10.1039/b111059d

data_7011360
_publ_section_title
;
 Polycyano--polycadmate host clathrates including a methylviologen
 dication. Syntheses, crystal structures and photo-induced reduction of
 methylviologen dication
;
_journal_issue                   9
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              1907
_journal_paper_doi               10.1039/b111059d
_journal_year                    2002
_chemical_formula_structural     'Cd6 (C14 N14)(C12 N2 H14)(C2 N1 H3)2'
_chemical_formula_sum            'C30 H20 Cd6 N18'
_chemical_formula_weight         1307.08
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                   13.794(8)
_cell_length_b                   26.990(6)
_cell_length_c                   13.665(5)
_cell_measurement_temperature    293(2)
_cell_volume                     5087(4)
_computing_molecular_graphics    'ORTEP3 for windows'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Rigaku AFC5S'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            8172
_diffrn_reflns_theta_max         30.01
_diffrn_reflns_theta_min         2.12
_diffrn_standards_decay_%        2%
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.482
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.71
_exptl_crystal_density_meas      1.75
_exptl_crystal_density_method    'floating method'
_exptl_crystal_description       platlet
_exptl_crystal_F_000             2456
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.565
_refine_diff_density_min         -1.083
_refine_diff_density_rms         0.202
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   1.146
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         2658
_refine_ls_number_restraints     0
_refine_ls_restrained_S_obs      1.146
_refine_ls_R_factor_obs          0.0776
_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^)+(0.0896P)^2^+30.7340P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.1807
_reflns_number_observed          2658
_reflns_number_total             7429
_reflns_observed_criterion       >3sigma(F)
_cod_data_source_file            b111059d.txt
_cod_data_source_block           IIa-2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
;
_cod_original_cell_volume        5087.5(37)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7011360