4,5-Diphenyl-2-<i>p</i>-tolyl-1<i>H</i>-imidazol-3-ium perchlorate
Zhang, Li; Acta Crystallographica Section E 65 (2009) o1766–; doi:10.1107/S1600536809024325

data_2222619
_publ_section_title
;
 4,5-Diphenyl-2-<i>p</i>-tolyl-1<i>H</i>-imidazol-3-ium perchlorate
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_journal_coeditor_code           CI2832
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1766
_journal_paper_doi               10.1107/S1600536809024325
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C22 H19 N2 +, Cl O4 -'
_chemical_formula_moiety         'C22 H19 N2 +, Cl O4 -'
_chemical_formula_sum            'C22 H19 Cl N2 O4'
_chemical_formula_weight         410.84
_chemical_name_systematic
;
4,5-Diphenyl-2-<i>p</i>-tolyl-1<i>H</i>-imidazol-3-ium perchlorate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.16(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1964(18)
_cell_length_b                   9.921(2)
_cell_length_c                   21.489(4)
_cell_measurement_reflns_used    2602
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.02
_cell_volume                     1955.4(7)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Mercury2'
_diffrn_measurement_method       'CCD profile fitting'
_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  0.0695
_diffrn_reflns_av_sigmaI/netI    0.0604
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            19242
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.02
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.227
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.945
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.396
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.543
_refine_diff_density_min         -0.353
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4474
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.1285
_refine_ls_R_factor_gt           0.0721
_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^)+(0.103P)^2^+0.7747P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1827
_refine_ls_wR_factor_ref         0.2135
_reflns_number_gt                2602
_reflns_number_total             4474
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2832.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2222619
_cod_database_fobs_code          2222619