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_7217326
_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_compound_source        'synthesis as described'
_chemical_formula_moiety         'C10 H10 N6, Cd Cl4'
_chemical_formula_sum            'C10 H10 Cd Cl4 N6'
_chemical_formula_weight         468.44
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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      2.4
_audit_creation_date             2013-03-20T09:23:23-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 96.55(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.478(2)
_cell_length_b                   26.697(5)
_cell_length_c                   8.270(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      18.2
_cell_measurement_theta_min      9.6
_cell_measurement_wavelength     0.71073
_cell_volume                     1640.2(8)
_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      -0.113238
_diffrn_orient_matrix_UB_12      -0.018758
_diffrn_orient_matrix_UB_13      0.012848
_diffrn_orient_matrix_UB_21      0.07004
_diffrn_orient_matrix_UB_22      -0.031911
_diffrn_orient_matrix_UB_23      0.014025
_diffrn_orient_matrix_UB_31      0.019477
_diffrn_orient_matrix_UB_32      0.005725
_diffrn_orient_matrix_UB_33      0.120214
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_unetI/netI     0.0549
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2877
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         1.53
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    1.983
_exptl_absorpt_correction_T_max  0.7882
_exptl_absorpt_correction_T_min  0.7568
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
        Walker, N. & Stuart, D (1983) Acta. Cryst. A39, 158-166
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.897
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.599
_refine_diff_density_min         -0.692
_refine_diff_density_rms         0.12
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2877
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0771
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0485P)^2^+0.1258P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0949
_refine_ls_wR_factor_ref         0.1071
_reflns_number_gt                2016
_reflns_number_total             2877
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01425a2.cif
_cod_data_source_block           pm187
_cod_depositor_comments
'Adding full bibliography for 7217324--7217328.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7217326