Structural Investigation of Flexible 1,4-Bis(1,2,4-triazol-1-ylmethyl)benzene Ligand in Keggin-Based Polyoxometalate Frameworks
Dong, Bao-xia; Xu, Qiang; Crystal Growth & Design 9 (2009) 2776–; doi:10.1021/cg9000076

data_4509413
_publ_section_title
;
 Structural Investigation of Flexible
 1,4-Bis(1,2,4-triazol-1-ylmethyl)benzene Ligand in Keggin-Based
 Polyoxometalate Frameworks
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2776
_journal_paper_doi               10.1021/cg9000076
_journal_volume                  9
_journal_year                    2009
_chemical_formula_sum            'C48 H52 Ag4 Mo12 N24 O42 Si'
_chemical_formula_weight         3247.99
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.66(3)
_cell_angle_beta                 63.59(3)
_cell_angle_gamma                87.00(3)
_cell_formula_units_Z            1
_cell_length_a                   13.000(3)
_cell_length_b                   13.300(3)
_cell_length_c                   14.084(3)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      3.01
_cell_volume                     2097.3(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0230
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16342
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.01
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    2.754
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.568
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1546
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.333
_refine_diff_density_min         -1.534
_refine_diff_density_rms         0.247
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.287
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     607
_refine_ls_number_reflns         7286
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.287
_refine_ls_R_factor_all          0.1018
_refine_ls_R_factor_gt           0.0947
_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^)+(0.0000P)^2^+89.4780P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2008
_refine_ls_wR_factor_ref         0.2058
_reflns_number_gt                6654
_reflns_number_total             7379
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg9000076sup1.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'none' 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_sg_symbol_H-M      P-1
_cod_database_code               4509413