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_4311507
_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 Co1 N4 O5'
_chemical_formula_structural     'C7 H6 Co1 N4 O5'
_chemical_formula_sum            'C7 H6 Co N4 O5'
_chemical_formula_weight         285.09
_chemical_name_systematic
;
catena-[aqua(mu-oxalato)purinecobalt(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
_cell_angle_beta                 105.956(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.9489(4)
_cell_length_b                   16.1481(11)
_cell_length_c                   8.3511(5)
_cell_measurement_reflns_used    7447
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31.58
_cell_measurement_theta_min      3.3
_cell_measurement_wavelength     0.71073
_cell_volume                     900.99(10)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0243
_diffrn_reflns_av_sigmaI/netI    0.0162
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7125
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         29.99
_diffrn_reflns_theta_min         3.3
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.925
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.102
_exptl_crystal_density_meas      2.09(1)
_exptl_crystal_density_method
'flotation in a mixture of carbon tetrachloride and bromoform'
_exptl_crystal_description       polyhedric
_exptl_crystal_F_000             572
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.451
_refine_diff_density_min         -0.388
_refine_diff_density_rms         0.096
_refine_ls_extinction_coef       0.026(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.151
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2614
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.151
_refine_ls_R_factor_all          0.0360
_refine_ls_R_factor_gt           0.0353
_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^)+(0.0380P)^2^+0.9690P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0876
_reflns_number_gt                2562
_reflns_number_total             2614
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic049569h_2.cif
_cod_data_source_block           compound2
_cod_original_cell_volume        901.0(1)
_cod_original_sg_symbol_H-M      'P 21/a'
_cod_database_code               4311507