One-Dimensional Oxalato-Bridged Cu(II), Co(II), and Zn(II) Complexes with Purine and Adenine as Terminal Ligands
Juan P. García-Terán; Oscar Castillo; Antonio Luque; Urko García-Couceiro; Pascual Román; Francesc Lloret; Inorganic Chemistry 43 (2004) 5761–5770; doi:10.1021/ic049569h

data_4311508
_publ_contact_author
;
 Oscar Castillo. Departamento de Quimica Inorganica. Facultad de Ciencias
 Universidad del Pais Vasco,  Apdo. 644, E-48080 Bilbao, Spain
;
_publ_contact_author_email       qipcacao@lg.ehu.es
_publ_contact_author_fax         '+34-944 648 500'
_publ_contact_author_phone       '+34-946 015 991'
_publ_section_title
;
 One-Dimensional Oxalato-Bridged Cu(II), Co(II), and Zn(II) Complexes with
 Purine and Adenine as Terminal Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5761
_journal_page_last               5770
_journal_paper_doi               10.1021/ic049569h
_journal_volume                  43
_journal_year                    2004
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C7 H6 N4 O5 Zn1'
_chemical_formula_structural     'C7 H6 N4 O5 Zn1'
_chemical_formula_sum            'C7 H6 N4 O5 Zn'
_chemical_formula_weight         291.53
_chemical_name_systematic
;
catena-[aqua(mu-oxalato)purinezinc(II)]
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL
_cell_angle_alpha                90.000
_cell_angle_beta                 106.10(1)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   6.988(1)
_cell_length_b                   16.143(2)
_cell_length_c                   8.334(1)
_cell_measurement_reflns_used    7681
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.09
_cell_measurement_theta_min      3.29
_cell_measurement_wavelength     0.71073
_cell_volume                     903.3(2)
_computing_molecular_graphics    'Ortep-3 for WindO5Ws (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean '1024 \\times 1024 with blocks 2\\times 2'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  Xcalibur
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0517
_diffrn_reflns_av_unetI/netI     0.0714
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7681
_diffrn_reflns_theta_full        30.09
_diffrn_reflns_theta_max         30.09
_diffrn_reflns_theta_min         3.29
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.739
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.144
_exptl_crystal_density_meas      2.13(1)
_exptl_crystal_density_method
'flotation in a mixture of carbon tetrachloride and bromoform'
_exptl_crystal_description       polyhedric
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.797
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.908
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2640
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.908
_refine_ls_R_factor_all          0.0677
_refine_ls_R_factor_gt           0.0373
_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^)+(0.0347P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0764
_refine_ls_wR_factor_ref         0.0836
_reflns_number_gt                1771
_reflns_number_total             2640
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic049569h_3.cif
_cod_data_source_block           compound3
_cod_original_sg_symbol_H-M      'P 21/a'
_cod_original_formula_sum        'C7 H6 N4 O5 Zn1'
_cod_database_code               4311508