Application of flexible bis-pyrazine-bis-amide ligands to construct various polyoxometalate-based metal-organic complexes
Wang, Xiuli; Liu, Danna; Lin, Hongyan; Liu, Guocheng; Han, Na; Luan, Jian; Chang, Zhihan; RSC Adv.  (2015) –; doi:10.1039/C5RA09529H

data_7220834
_publ_section_title
;
 Application of flexible bis-pyrazine-bis-amide ligands to construct
 various polyoxometalate-based metal-organic complexes
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA09529H
_journal_year                    2015
_chemical_formula_sum            'C13 H16 Cu Mo4 N6 O16'
_chemical_formula_weight         959.62
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_audit_update_record
;
2015-01-23 deposited with the CCDC.
2015-06-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 99.7230(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.6557(4)
_cell_length_b                   13.8735(6)
_cell_length_c                   17.0837(7)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.90
_cell_volume                     2489.24(18)
_computing_cell_refinement       'SMART (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT+ (Bruker, 1999)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXTL (1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  '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  0.0141
_diffrn_reflns_av_unetI/netI     0.0162
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12264
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    2.889
_exptl_absorpt_correction_T_max  0.6550
_exptl_absorpt_correction_T_min  0.5320
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            BLUE
_exptl_crystal_density_diffrn    2.561
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1844
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.521
_refine_diff_density_min         -0.531
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         4388
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0237
_refine_ls_R_factor_gt           0.0201
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0238P)^2^+3.1286P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0491
_refine_ls_wR_factor_ref         0.0503
_reflns_number_gt                3996
_reflns_number_total             4388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra09529h2.cif
_cod_data_source_block           liu
_cod_original_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               7220834