Influence of Steric Hindrance of Organic Ligand on the Structure of Keggin-Based Coordination Polymer
Ren, Yan-Ping; Kong, Xiang-Jian; Hu, Xiang-Yang; Sun, Meng; Long, La-Sheng; Huang, Rong-Bin; Zheng, Lan-Sun; Inorganic Chemistry 45 (2006) 4016–4023; doi:10.1021/ic060004q

data_4332137
_publ_section_title
;
 Influence of Steric Hindrance of Organic Ligand on the Structure of
 Keggin-Based Coordination Polymer
;
_journal_issue                   10
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4016
_journal_page_last               4023
_journal_paper_doi               10.1021/ic060004q
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C12 H13 Ag3 N6 O40.5 P W12'
_chemical_formula_weight         3450.06
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           155
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  'R 3 2"'
_symmetry_space_group_name_H-M   'R 3 2 :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            6
_cell_length_a                   18.2047(13)
_cell_length_b                   18.2047(13)
_cell_length_c                   23.637(3)
_cell_measurement_temperature    123(2)
_cell_volume                     6784.1(11)
_computing_cell_refinement       'SHELXTL-Plus (Sheldrick, 1990)'
_computing_data_collection       'SHELXTL-Plus (Sheldrick, 1990)'
_computing_data_reduction        'SHELXTL-Plus (Sheldrick, 1990)'
_computing_molecular_graphics    'SHELXTL V.5.0 (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      123(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker Smart Apex CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0718
_diffrn_reflns_av_sigmaI/netI    0.0496
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            19415
_diffrn_reflns_theta_full        28.39
_diffrn_reflns_theta_max         28.39
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    31.792
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    5.067
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             8970
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         4.096
_refine_diff_density_min         -4.460
_refine_diff_density_rms         0.474
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3617
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.0456
_refine_ls_R_factor_gt           0.0442
_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^)+(0.0440P)^2^+1281.7046P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1082
_refine_ls_wR_factor_ref         0.1092
_reflns_number_gt                3543
_reflns_number_total             3617
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic060004qsup5.cif
_cod_data_source_block           p
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Rhombohedral' changed to
'rhombohedral' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        6784.1(12)
_cod_original_sg_symbol_H-M      R32
_cod_original_formula_sum        'C12 H13 Ag3 N6 O40.50 P W12'
_cod_database_code               4332137