pH Dependent Structural Diversity of Metal Complexes with 5-(4H-1,2,4-Triazol-4-yl)benzene-1,3-dicarboxylic Acid
Chen, Min; Chen, Shui-Sheng; Okamura, Taka-aki; Su, Zhi; Chen, Man-Sheng; Zhao, Yue; Sun, Wei-Yin; Ueyama, Norikazu; Crystal Growth & Design 11 (2011) 1901–; doi:10.1021/cg200068v

data_4500657
_publ_section_title
;
 pH Dependent Structural Diversity of Metal Complexes with
 5-(4H-1,2,4-Triazol-4-yl)benzene-1,3-dicarboxylic Acid
;
_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1901
_journal_paper_doi               10.1021/cg200068v
_journal_volume                  11
_journal_year                    2011
_chemical_formula_moiety         '2(C10 H7 Ni N3 O5), 3(H2 O) '
_chemical_formula_sum            'C20 H20 N6 Ni2 O13'
_chemical_formula_weight         669.84
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 123.574(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.625(4)
_cell_length_b                   7.3923(15)
_cell_length_c                   17.250(3)
_cell_measurement_reflns_used    3103
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.05
_cell_measurement_theta_min      2.49
_cell_volume                     2191.3(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0335
_diffrn_reflns_av_sigmaI/netI    0.0325
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            5176
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    1.811
_exptl_absorpt_correction_T_max  0.7363
_exptl_absorpt_correction_T_min  0.6704
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADBAS (Bruker,2000)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    2.030
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1368
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.671
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         1912
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0367
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0827P)^2^+0.6627P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1060
_refine_ls_wR_factor_ref         0.1088
_reflns_number_gt                1810
_reflns_number_total             1912
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg200068v_si_002.cif
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2191.3(8)
_cod_original_sg_symbol_Hall     '-C 2yc '
_cod_original_sg_symbol_H-M      'C2/c '
_cod_database_code               4500657