Crystal structures and spectroscopic properties of polycyano-polycadmate host clathrates including a CT complex guest of methylviologen dication and aromatic donor.
Yoshikawa, Hirofumi; Nishikiori, Shin-ichi; Dalton transactions (Cambridge, England : 2003)  (2005) 3056–3064; doi:10.1039/b505722a

data_7008664
_publ_section_title
;
 Crystal structures and spectroscopic properties of
 polycyano-polycadmate host clathrates including a CT complex guest of
 methylviologen dication and aromatic donor.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3056
_journal_page_last               3064
_journal_paper_doi               10.1039/b505722a
_journal_year                    2005
_chemical_formula_structural
'(C12 H14 N2) (Cd3.5 (C N)9 (H2 O)) (C4 H5 N)'
_chemical_formula_sum            'C25 H21 Cd3.5 N12 O'
_chemical_formula_weight         898.961
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 98.9563(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1525(2)
_cell_length_b                   22.1878(5)
_cell_length_c                   18.3312(5)
_cell_measurement_reflns_used    92114
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.99
_cell_measurement_theta_min      0.92
_cell_volume                     3275.43(14)
_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  'Rigaku RAXIS-RAPID'
_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_av_R_equivalents  0.0550
_diffrn_reflns_av_sigmaI/netI    0.0699
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            72470
_diffrn_reflns_theta_full        29.98
_diffrn_reflns_theta_max         29.98
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    2.269
_exptl_absorpt_correction_T_max  1.0985
_exptl_absorpt_correction_T_min  0.8818
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
'PROCESS-AUTO, RIGAKU Co., Tokyo, Japan(1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.823
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1724
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.210
_refine_diff_density_max         0.517
_refine_diff_density_min         -0.547
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.874
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         9532
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.875
_refine_ls_R_factor_all          0.0574
_refine_ls_R_factor_gt           0.0266
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0285P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0517
_refine_ls_wR_factor_ref         0.0740
_reflns_number_gt                6183
_reflns_number_total             9532
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b505722a.txt
_cod_data_source_block           ph4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7008664