Hydrogen Bonding Patterns and Supramolecular Structure of 4,4′-Bipyrazolium Salts
Boldog, Ishtvan; Daran, Jean-Claude; Chernega, Alexander N.; Rusanov, Eduard B.; Krautscheid, Harald; Domasevitch, Konstantin V.; Crystal Growth & Design 9 (2009) 2895–; doi:10.1021/cg9002109

data_4509517
_publ_section_title
;
 Hydrogen Bonding Patterns and Supramolecular Structure of
 4,4&#x2032;-Bipyrazolium Salts
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2895
_journal_paper_doi               10.1021/cg9002109
_journal_volume                  9
_journal_year                    2009
_chemical_formula_moiety         'C10 H16 N4, 2(Cl O4), H2 O'
_chemical_formula_sum            'C10 H18 Cl2 N4 O9'
_chemical_formula_weight         409.18
_chemical_name_systematic
;
3,3',5,5'-Tetramethyl-4,4'-bipyrazolium Perchlorate, Monohydrate
;
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                116.12(3)
_cell_angle_beta                 100.45(2)
_cell_angle_gamma                102.28(3)
_cell_formula_units_Z            2
_cell_length_a                   8.624(2)
_cell_length_b                   10.773(2)
_cell_length_c                   11.685(3)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      17.5
_cell_measurement_theta_min      11.7
_cell_volume                     904.4(5)
_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    'Diamond 2.1c (Brandenburg, 1999)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Enraf Nonius CAD-4'
_diffrn_measurement_method       'non-profiled \w-2\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0311
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3718
_diffrn_reflns_theta_full        25.65
_diffrn_reflns_theta_max         25.65
_diffrn_reflns_theta_min         13.72
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.410
_exptl_absorpt_correction_T_max  0.92961
_exptl_absorpt_correction_T_min  0.89260
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     230
_refine_ls_number_reflns         3360
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0914
_refine_ls_R_factor_gt           0.0807
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1573P)^2^+0.4548P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2156
_refine_ls_wR_factor_ref         0.2239
_reflns_number_gt                2452
_reflns_number_total             3360
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg9002109sup1.cif
_cod_data_source_block           (18)
_cod_database_code               4509517