The competition between acetate and pyrazolate in the formation of polynuclear Zn(II) coordination complexes.
Cingolani, Augusto; Galli, Simona; Masciocchi, Norberto; Pandolfo, Luciano; Pettinari, Claudio; Sironi, Angelo; Dalton transactions (Cambridge, England : 2003)  (2006) 2479–2486; doi:10.1039/b515630k

data_7006930
_publ_section_title
;
 The competition between acetate and pyrazolate in the formation of
 polynuclear Zn(II) coordination complexes.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2479
_journal_page_last               2486
_journal_paper_doi               10.1039/b515630k
_journal_year                    2006
_chemical_formula_moiety         'C16 H20 N8 O4 Zn2'
_chemical_formula_sum            'C16 H20 N8 O4 Zn2'
_chemical_formula_weight         519.04
_chemical_name_systematic
;
bis-pyrazole bis-mu-pyrazolate bis-acetato dizinc(ii)
;
_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                105.22(3)
_cell_angle_beta                 106.98(3)
_cell_angle_gamma                103.84(4)
_cell_formula_units_Z            1
_cell_length_a                   8.197(4)
_cell_length_b                   8.300(4)
_cell_length_c                   9.256(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      9
_cell_volume                     546.1(5)
_computing_cell_refinement       CAD4
_computing_data_collection       CAD4
_computing_data_reduction        local
_computing_molecular_graphics    WINGX
_computing_publication_material  CIF
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_method       omega-scan
_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  0.0107
_diffrn_reflns_av_sigmaI/netI    0.0241
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2100
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.24
_diffrn_reflns_theta_min         3.14
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 14400
_diffrn_standards_interval_time  300
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.235
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.579
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.377
_refine_diff_density_min         -0.440
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1969
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0440
_refine_ls_R_factor_gt           0.0343
_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^)+(0.0518P)^2^+0.1251P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0811
_refine_ls_wR_factor_ref         0.0860
_reflns_number_gt                1682
_reflns_number_total             1969
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b515630k.txt
_cod_data_source_block           Compound_1
_cod_original_cell_volume        546.1(4)
_cod_database_code               7006930