Using Flexible and Rigid Organic Ligands to Tune Topology Structures Based on Keggin Polyoxometalates
Tian, Ai-xiang; Ying, Jun; Peng, Jun; Sha, Jing-quan; Su, Zhong-min; Pang, Hai-jun; Zhang, Peng-peng; Chen, Yuan; Zhu, Min; Shen, Yan; Crystal Growth & Design 10 (2010) 1104–; doi:10.1021/cg900806k

data_4502249
_publ_section_title
;
 Using Flexible and Rigid Organic Ligands to Tune Topology Structures
 Based on Keggin Polyoxometalates
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1104
_journal_paper_doi               10.1021/cg900806k
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C28 H28 Cu6 N18 O40 Si W12'
_chemical_formula_weight         3872
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 113.458(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.382(4)
_cell_length_b                   22.063(7)
_cell_length_c                   13.442(4)
_cell_measurement_temperature    187(2)
_cell_volume                     3096.6(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'CCD area detector'
_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  0.0734
_diffrn_reflns_av_sigmaI/netI    0.0915
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17021
_diffrn_reflns_theta_full        26.03
_diffrn_reflns_theta_max         26.03
_diffrn_reflns_theta_min         1.85
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    24.322
_exptl_absorpt_correction_T_max  0.143
_exptl_absorpt_correction_T_min  0.013
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'ABSCOR by T.Higashi    8 March, 1995'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    4.153
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3436
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.519
_refine_diff_density_min         -2.005
_refine_diff_density_rms         0.398
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         6057
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.1089
_refine_ls_R_factor_gt           0.0767
_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^)+(0.0184P)^2^+250.8158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1345
_refine_ls_wR_factor_ref         0.1462
_reflns_number_gt                4446
_reflns_number_total             6097
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg900806k_si_005.cif
_cod_data_source_block           compound-3
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3096.7(17)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4502249