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_7011357
_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     Cd5(C12N12)(C12N2H14)(C1N1O2H3)2(O1H2)
_chemical_formula_sum            'C26 H22 Cd5 N16 O5'
_chemical_formula_weight         1200.62
_space_group_IT_number           66
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2 2c'
_symmetry_space_group_name_H-M   'C c c m'
_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                   11.0655(2)
_cell_length_b                   23.9517(7)
_cell_length_c                   15.7838(3)
_cell_measurement_reflns_used    2558
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.04
_cell_volume                     4183.30(16)
_computing_cell_refinement       Denzo/Scalepack
_computing_data_collection       Denzo/Scalepack
_computing_data_reduction        Denzo/Scalepack
_computing_molecular_graphics    'ORTEP-3 for Windows'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       Nonius-CCD
_diffrn_measurement_method       \w
_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  0.027
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            13600
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.40
_exptl_absorpt_coefficient_mu    2.536
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.91
_exptl_crystal_density_meas      ?
_exptl_crystal_description       needle
_exptl_crystal_F_000             2280
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.198
_refine_diff_density_min         -1.016
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.177
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         2480
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.177
_refine_ls_R_factor_all          0.0419
_refine_ls_R_factor_gt           0.0346
_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^)+(0.0528P)^2^+6.0677P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0917
_refine_ls_wR_factor_ref         0.0995
_reflns_number_gt                2161
_reflns_number_total             2480
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b111059d.txt
_cod_data_source_block           Ia-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        4183.3(2)
_cod_original_sg_symbol_H-M      Cccm
_cod_database_code               7011357