Remarkably Stable Chalcogen(II) Dications
Caleb D. Martin; Christine M. Le; Paul J. Ragogna; Journal of the American Chemical Society 131 (2009) 15126–15127; doi:10.1021/ja9073968

data_4105222
_publ_contact_author_address
;Department of Chemistry 
The University of Western Ontario
London, ON
N6A 5B7, CANADA
;
_publ_contact_author_email       pragogna@uwo.ca
_publ_contact_author_fax         1-519-661-3022
_publ_contact_author_name        'Paul J. Ragogna'
_publ_contact_author_phone       1-519-661-2111
_publ_section_title
;
 Remarkably Stable Chalcogen(II) Dications
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15126
_journal_page_last               15127
_journal_paper_doi               10.1021/ja9073968
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C37 H49 F6 N3 O7 S2 Se'
_chemical_formula_weight         904.87
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 91.768(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.3723(11)
_cell_length_b                   15.4754(9)
_cell_length_c                   14.5351(7)
_cell_measurement_temperature    150(2)
_cell_volume                     4355.5(4)
_computing_cell_refinement       SAINT
_computing_data_collection       APEX2
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXTL/PC
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full .996
_diffrn_measured_fraction_theta_max .996
_diffrn_measurement_device_type  'KAPPA APEX 11 CCD'
_diffrn_measurement_method       '\f scans, and \w 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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0322
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            16959
_diffrn_reflns_theta_full        26.73
_diffrn_reflns_theta_max         26.73
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    1.031
_exptl_absorpt_correction_T_max  0.8863
_exptl_absorpt_correction_T_min  0.8204
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SAINT
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.380
_exptl_crystal_description       block
_exptl_crystal_F_000             1872
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.078
_refine_diff_density_min         -1.195
_refine_diff_density_rms         .074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         4616
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0537
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0549P)^2^+11.6592P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1088
_refine_ls_wR_factor_ref         0.1149
_reflns_number_gt                3924
_reflns_number_total             4616
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja9073968_si_002_2.cif
_cod_data_source_block           b09027
_cod_database_code               4105222