Pyrazine-imide complexes: reversible redox and MOF building blocks.
Cowan, Matthew G.; Miller, Reece G.; Brooker, Sally; Dalton transactions (Cambridge, England : 2003) 44 (2015) 2880–2892; doi:10.1039/c4dt03407d

data_7033446
_publ_section_title
;
 Pyrazine-imide complexes: reversible redox and MOF building blocks.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2880
_journal_page_last               2892
_journal_paper_doi               10.1039/c4dt03407d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C40 H24 Ag N21 Ni2 O11'
_chemical_formula_weight         1200.09
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-12-18 deposited with the CCDC.
2014-12-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 122.003(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.619(3)
_cell_length_b                   24.806(4)
_cell_length_c                   9.861(4)
_cell_measurement_reflns_used    7244
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      0.7454
_cell_measurement_theta_min      0.5796
_cell_volume                     3032.5(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker Kappa Apex II area detector'
_diffrn_measurement_method       '\f and \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  0.0860
_diffrn_reflns_av_sigmaI/netI    0.0537
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            28337
_diffrn_reflns_theta_full        26.51
_diffrn_reflns_theta_max         26.51
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.999
_exptl_absorpt_correction_T_max  22.839
_exptl_absorpt_correction_T_min  2.2505
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE(Bruker, 2004)'
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1204
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_platon_squeeze_details
;
Lattice water molecules were unable to be modelled and therefore removed using the PLATON SQUEEZE routine.  
;
_refine_diff_density_max         1.020
_refine_diff_density_min         -2.465
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         3193
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0848
_refine_ls_R_factor_gt           0.0671
_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^)+(0.0834P)^2^+20.8235P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1807
_refine_ls_wR_factor_ref         0.1901
_reflns_number_gt                2444
_reflns_number_total             3193
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt03407d2.cif
_cod_data_source_block           mgc695_c2_m
_cod_depositor_comments
'Adding full bibliography for 7033441--7033446.cif.'
_cod_original_cell_volume        3032.3(14)
_cod_original_sg_symbol_H-M      C2/m
_cod_database_code               7033446