Diamidonaphthalene-supported pnictogenium cations: synthesis of an N-heterocyclic stibenium cation by a novel protonation route.
Spinney, Heather A; Korobkov, Ilia; Richeson, Darrin S; Chemical communications (Cambridge, England)  (2007) 1647–1649; doi:10.1039/b617434e

data_7101848
_publ_section_title
;
 Diamidonaphthalene-supported pnictogenium cations: synthesis of an
 N-heterocyclic stibenium cation by a novel protonation route.
;
_journal_issue                   16
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1647
_journal_page_last               1649
_journal_paper_doi               10.1039/b617434e
_journal_year                    2007
_chemical_formula_sum            'C37.6 H46.4 Cl2 N4 Sb2'
_chemical_formula_weight         868.79
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.125(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.669(4)
_cell_length_b                   11.931(3)
_cell_length_c                   21.118(5)
_cell_measurement_reflns_used    711
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      1.59
_cell_volume                     3945.3(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0278
_diffrn_reflns_av_sigmaI/netI    0.0427
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            18116
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.59
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    1.535
_exptl_absorpt_correction_T_max  0.7489
_exptl_absorpt_correction_T_min  0.6560
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2000)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.247
_refine_diff_density_min         -1.038
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     381
_refine_ls_number_reflns         7934
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0687
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0663P)^2^+7.7637P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1221
_refine_ls_wR_factor_ref         0.1351
_reflns_number_gt                5939
_reflns_number_total             7934
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b617434e.txt
_cod_data_source_block           dr25
_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:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C37.60 H46.40 Cl2 N4 Sb2'
_cod_database_code               7101848