Versatile binding behaviour of 4,6-dimethyl-1,2,3-triazolo[4,5-d]-pyrimidin-5,7-dionato in the presence of bipyrimidine. Supramolecular H-bond architectures
Maldonado, Carmen R.; Quirós, Miguel; Salas, Juan M.; Rodríguez-Diéguez, Antonio; Dalton Transactions  (2009) 10311–10317; doi:10.1039/b913541c

data_7002875
_publ_section_title
;
 Versatile binding behaviour of
 4,6-dimethyl-1,2,3-triazolo[4,5-d]-pyrimidin-5,7-dionato in the
 presence of bipyrimidine. Supramolecular H-bond architectures
;
_journal_issue                   46
_journal_name_full               'Dalton Transactions'
_journal_page_first              10311
_journal_page_last               10317
_journal_paper_doi               10.1039/b913541c
_journal_year                    2009
_chemical_formula_moiety         'C32 H34 N24 O10 Zn2, 2(H2 O)'
_chemical_formula_sum            'C32 H38 N24 O12 Zn2'
_chemical_formula_weight         1081.60
_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   mixed
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.483(1)
_cell_angle_beta                 100.866(1)
_cell_angle_gamma                112.462(1)
_cell_formula_units_Z            1
_cell_length_a                   10.3170(9)
_cell_length_b                   10.3555(9)
_cell_length_c                   11.0667(9)
_cell_measurement_reflns_used    2899
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.0
_cell_measurement_theta_min      2.4
_cell_volume                     1046.06(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART (Bruker, 1999)'
_computing_data_reduction        'Bruker SAINT (Bruker, 1999)'
_computing_molecular_graphics    'Xtal_GX (Hall & du Boulay, 1997)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device_type  'Bruker SMART APEX CCD system'
_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  0.0378
_diffrn_reflns_av_sigmaI/netI    0.0511
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            12383
_diffrn_reflns_theta_full        26.80
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.92
_diffrn_standards_decay_%        0.1
_diffrn_standards_number         108
_exptl_absorpt_coefficient_mu    1.240
_exptl_absorpt_correction_T_max  0.952
_exptl_absorpt_correction_T_min  0.822
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS (Bruker, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.717
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             554
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.415
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     332
_refine_ls_number_reflns         4771
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0500P)^2^+0.0400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0984
_refine_ls_wR_factor_ref         0.1046
_reflns_number_gt                3798
_reflns_number_total             4771
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b913541c.txt
_cod_data_source_block           znaxbpir
_cod_database_code               7002875