Pentachloro(pyrazine)rhenate(iv) complex as precursor of heterobimetallic pyrazine-containing ReIV2MII (M = Ni, Cu) species: synthesis, crystal structures and magnetic properties
Martínez-Lillo, José; Armentano, Donatella; Marino, Nadia; Arizaga, Livia; Chiozzone, Raúl; González, Ricardo; Kremer, Carlos; Cano, Joan; Faus, Juan; Dalton Transactions  (2008) 4585–; doi:10.1039/b802112k

data_7004032
_publ_section_title
;
 Pentachloro(pyrazine)rhenate(iv) complex as precursor of
 heterobimetallic pyrazine-containing ReIV2MII (M = Ni, Cu) species:
 synthesis, crystal structures and magnetic properties
;
_journal_issue                   34
_journal_name_full               'Dalton Transactions'
_journal_page_first              4585
_journal_paper_doi               10.1039/b802112k
_journal_year                    2008
_chemical_formula_sum            'C9 H16 Cl5 N4 Ni0.5 Re'
_chemical_formula_weight         573.06
_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                83.765(3)
_cell_angle_beta                 83.256(3)
_cell_angle_gamma                72.767(3)
_cell_formula_units_Z            2
_cell_length_a                   8.4084(7)
_cell_length_b                   8.5093(7)
_cell_length_c                   12.2145(12)
_cell_measurement_reflns_used    7469
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.263
_cell_measurement_theta_min      2.514
_cell_volume                     826.42(13)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'X8APEXII 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  0.0237
_diffrn_reflns_av_sigmaI/netI    0.0149
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            21013
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.51
_exptl_absorpt_coefficient_mu    8.704
_exptl_absorpt_correction_T_max  0.846
_exptl_absorpt_correction_T_min  0.662
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            bronze
_exptl_crystal_density_diffrn    2.303
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.374
_refine_diff_density_min         -1.442
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         3557
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0233
_refine_ls_R_factor_gt           0.0217
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0215P)^2^+1.7662P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0535
_refine_ls_wR_factor_ref         0.0542
_reflns_number_gt                3382
_reflns_number_total             3557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b802112k.txt
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C9 H16 Cl5 N4 Ni0.50 Re'
_cod_database_code               7004032