Synthesis, X-ray characterization and DFT studies of bis-N-imidazolylpyrimidine salts: the prominent role of hydrogen bonding and anion‒π interactions
Orvay, Francisca; Bauzá, Antonio; Barceló-Oliver, Miquel; García-Raso, Angel; Fiol, Joan J.; Costa, Antoni; Molins, Elies; Mata, Ignasi; Frontera, Antonio; CrystEngComm 16 (2014) 9043–; doi:10.1039/C4CE01425A

data_7217328
_publ_section_title
;
 Synthesis, X-ray characterization and DFT studies of
 bis-N-imidazolylpyrimidine salts: the prominent role of hydrogen bonding
 and anion--\p interactions
;
_journal_issue                   38
_journal_name_full               CrystEngComm
_journal_page_first              9043
_journal_paper_doi               10.1039/C4CE01425A
_journal_volume                  16
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C10 H10 N6, Cl4 Zn'
_chemical_formula_sum            'C10 H10 Cl4 N6 Zn'
_chemical_formula_weight         421.41
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      36
_symmetry_space_group_name_Hall  'C 2c -2c'
_symmetry_space_group_name_H-M   'C c m 21'
_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      2.4
_audit_creation_date             2013-11-13T20:03:30-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.395(4)
_cell_length_b                   14.021(6)
_cell_length_c                   10.265(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      6.4
_cell_measurement_wavelength     0.71073
_cell_volume                     1640.0(11)
_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)'
_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 \w scans'
_diffrn_orient_matrix_type
;
  x-axis points to radiation source
  the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      -0.044751
_diffrn_orient_matrix_UB_12      0.061299
_diffrn_orient_matrix_UB_13      0.003863
_diffrn_orient_matrix_UB_21      0.075414
_diffrn_orient_matrix_UB_22      0.036448
_diffrn_orient_matrix_UB_23      -0.001862
_diffrn_orient_matrix_UB_31      -0.003149
_diffrn_orient_matrix_UB_32      0.001763
_diffrn_orient_matrix_UB_33      -0.097376
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_unetI/netI     0.0671
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            1506
_diffrn_reflns_theta_full        24.95
_diffrn_reflns_theta_max         24.95
_diffrn_reflns_theta_min         2.3
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.149
_exptl_absorpt_correction_T_max  0.8241
_exptl_absorpt_correction_T_min  0.73
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
        Walker, N. & Stuart, D (1983) Acta. Cryst. A39, 158-166
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.707
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.42
_refine_diff_density_rms         0.067
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.06(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     103
_refine_ls_number_reflns         1506
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0582
_refine_ls_R_factor_gt           0.042
_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/[\s^2^(Fo^2^)+(0.0405P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.087
_refine_ls_wR_factor_ref         0.0923
_reflns_number_gt                1246
_reflns_number_total             1506
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01425a2.cif
_cod_data_source_block           pm194
_cod_depositor_comments
'Adding full bibliography for 7217324--7217328.cif.'
_cod_database_code               7217328