Ag(i) complexes with alkylidene-bis(2-aminopyrimidines) as building units for discrete metallomacrocyclic frames. A structural and solution study
García-Raso, Angel; Fiol, Juan J.; Tasada, Andrés; Albertí, Francisca M.; Molins, Elies; Basallote, Manuel G.; Máñez, María A.; Fernández-Trujillo, María J.; Sánchez, David; Dalton Transactions  (2005) 3763–; doi:10.1039/b508260a

data_7008793
_publ_section_title
;
 Ag(i) complexes with alkylidene-bis(2-aminopyrimidines) as building
 units for discrete metallomacrocyclic frames. A structural and
 solution study
;
_journal_issue                   23
_journal_name_full               'Dalton Transactions'
_journal_page_first              3763
_journal_paper_doi               10.1039/b508260a
_journal_year                    2005
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C10 H12 N8 O6'
_chemical_formula_sum            'C10 H14 N8 O6'
_chemical_formula_weight         342.29
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.2
_audit_creation_date             2004-04-12T20:40:24-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 114.135(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.812(2)
_cell_length_b                   6.892(10)
_cell_length_c                   11.955(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      9.74
_cell_measurement_wavelength     0.71073
_cell_volume                     1490(2)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_detector                 'scintillation LiI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       'non-profiled omega scans'
_diffrn_orient_matrix_type
;
  x-axis points to radiation source
  the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      -0.006564
_diffrn_orient_matrix_UB_12      0.038438
_diffrn_orient_matrix_UB_13      -0.084497
_diffrn_orient_matrix_UB_21      -0.054904
_diffrn_orient_matrix_UB_22      -0.001322
_diffrn_orient_matrix_UB_23      -0.02711
_diffrn_orient_matrix_UB_31      0.001303
_diffrn_orient_matrix_UB_32      0.139905
_diffrn_orient_matrix_UB_33      0.022953
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0242
_diffrn_reflns_av_unetI/netI     0.0238
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2274
_diffrn_reflns_theta_full        29.96
_diffrn_reflns_theta_max         29.96
_diffrn_reflns_theta_min         2.25
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.128
_exptl_absorpt_correction_T_max  0.9786
_exptl_absorpt_correction_T_min  0.9354
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
        (See: Walker, N. & Stuart, D. (1983) Acta Cryst. A39, 158-166)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.526
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.289
_refine_diff_density_min         -0.346
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         2173
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.104
_refine_ls_R_factor_gt           0.0647
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s2^(Fo2^)+(0.0820P)2^+1.8359P] where P=(Fo2^+2Fc2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1788
_refine_ls_wR_factor_ref         0.2081
_reflns_number_gt                1478
_reflns_number_total             2173
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b508260a.txt
_cod_data_source_block           pm81
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7008793
_diffrn_standards_decay_corr_max 1
_diffrn_standards_decay_corr_min 1