A set of new transition metal-based coordination complexes dependent upon Hpztza ligand (Hpztza=2-(5-(pyrazin-2-yl)-2H-tetrazol-2-yl) acetic acid)
Yang, Jie; Shen, Lei; Yang, Gao-Wen; Li, Qiao-Yun; Shen, Wei; Jin, Jian-Ning; Zhao, Jing-Jing; Dai, Jian; Journal of Solid State Chemistry 186 (2012) 124–133; doi:10.1016/j.jssc.2011.11.017

data_1563046
_publ_section_title
;
 A set of new transition metal-based coordination complexes dependent upon
 Hpztza ligand (Hpztza=2-(5-(pyrazin-2-yl)-2H-tetrazol-2-yl) acetic acid)
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              124
_journal_page_last               133
_journal_paper_doi               10.1016/j.jssc.2011.11.017
_journal_volume                  186
_journal_year                    2012
_chemical_formula_moiety         'C14 H14 N12 Ni O6, 2(H2 O)'
_chemical_formula_sum            'C14 H18 N12 Ni O8'
_chemical_formula_weight         541.09
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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                72.30(3)
_cell_angle_beta                 82.73(3)
_cell_angle_gamma                86.47(3)
_cell_formula_units_Z            1
_cell_length_a                   7.3092(15)
_cell_length_b                   8.6745(17)
_cell_length_c                   9.1315(18)
_cell_measurement_temperature    291(2)
_cell_volume                     547.0(2)
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku mercury'
_diffrn_measurement_method       \w
_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  0.0734
_diffrn_reflns_av_sigmaI/netI    0.0902
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            4342
_diffrn_reflns_theta_full        24.15
_diffrn_reflns_theta_max         24.15
_diffrn_reflns_theta_min         3.46
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.958
_exptl_absorpt_correction_T_max  0.8316
_exptl_absorpt_correction_T_min  0.8316
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.643
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             278
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.433
_refine_diff_density_min         -0.449
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         1741
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0956
_refine_ls_R_factor_gt           0.0674
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1576
_refine_ls_wR_factor_ref         0.1742
_reflns_number_gt                1335
_reflns_number_total             1741
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            JSSC-2012-186-124.CIF
_cod_data_source_block           t10
_cod_original_cell_volume        546.97(19)
_cod_database_code               1563046