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_7011367
_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     'Cd2 (C6 N6)(C12 N2 H14)'
_chemical_formula_sum            'C18 H14 Cd2 N8'
_chemical_formula_weight         567.19
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 93.169(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.015(4)
_cell_length_b                   14.675(3)
_cell_length_c                   15.0340(14)
_cell_measurement_temperature    293(2)
_cell_volume                     2206.2(10)
_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       'profile data from theta/2theta scans'
_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       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            3527
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         2.46
_diffrn_standards_decay_%        2%
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.933
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.71
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.521
_refine_diff_density_min         -0.963
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   1.090
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         2265
_refine_ls_number_restraints     0
_refine_ls_restrained_S_obs      1.090
_refine_ls_R_factor_obs          0.0388
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0387P)^2^+1.2097P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.0871
_reflns_number_observed          2265
_reflns_number_total             3233
_reflns_observed_criterion       >3sigma(F)
_cod_data_source_file            b111059d.txt
_cod_data_source_block           V-1
_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        2206.1(9)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7011367