3-Benzyl-2,4,6-triphenylpyrylium tetrafluoroborate
Jara, Francisco; Domínguez, Moisés; Rezende, Marcos C.; Tiekink, Edward R. T.; Wardell, James L.; Wardell, Solange M. S. V.; Acta Crystallographica Section E 62 (2006) o3495–o3497; doi:10.1107/S1600536806028285

data_2209867
_publ_section_title
;
 3-Benzyl-2,4,6-triphenylpyrylium tetrafluoroborate
;
_journal_coeditor_code           HG2068
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3495
_journal_page_last               o3497
_journal_paper_doi               10.1107/S1600536806028285
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C30 H23 O +, B F4 -'
_chemical_formula_moiety         'C30 H23 O +, B F4 -'
_chemical_formula_sum            'C30 H23 B F4 O'
_chemical_formula_weight         486.29
_chemical_name_systematic
;
3-Benzyl-2,4,6-triphenylpyrylium tetrafluoroborate
;
_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
_cell_angle_alpha                90
_cell_angle_beta                 102.7840(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.6170(3)
_cell_length_b                   13.2065(3)
_cell_length_c                   17.1985(5)
_cell_measurement_reflns_used    5538
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.9
_cell_volume                     2351.68(11)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) and COLLECT (Hooft, 1998)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics
'ORTEPII (Johnson, 1976) and DIAMOND (Crystal Impact, 2006)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1994)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.042
_diffrn_reflns_av_sigmaI/netI    0.037
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            25644
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         3.0
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.834
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.80
_refine_diff_density_min         -0.40
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.05
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         4136
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.05
_refine_ls_R_factor_all          0.073
_refine_ls_R_factor_gt           0.055
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0667P)^2^+2.1496P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.132
_refine_ls_wR_factor_ref         0.142
_reflns_number_gt                3347
_reflns_number_total             4136
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg2068.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'multi scan' changed to
'multi-scan' 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:

'_exptl_absorpt_correction_type' value 'multi scan' changed to
'multi-scan' 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               2209867
_cod_database_fobs_code          2209867