Experimental and Theoretical Investigations of the Redox Behavior of the Heterodichalcogenido Ligands [(EPiPr2)(TePiPr2)N]-(E = S, Se): Cyclic Cations and Acyclic Dichalcogenide Dimers
Stuart D. Robertson; Tristram Chivers; Heikki M. Tuononen; Inorganic Chemistry 47 (2008) 10634–10643; doi:10.1021/ic801384c

data_4306562
_publ_contact_author_address
;
Department of Chemistry
University of Calgary, Calgary, Alberta 
T2N 1N4, Canada
;
_publ_contact_author_name        'Prof. T. Chivers'
_publ_section_title
;
Experimental and Theoretical Investigations of the Redox Behavior of the
Heterodichalcogenido Ligands [(EPiPr2)(TePiPr2)N]-(E = S, Se): Cyclic
Cations and Acyclic Dichalcogenide Dimers
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10634
_journal_page_last               10643
_journal_paper_doi               10.1021/ic801384c
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C12 H28 N P2 Se Te, C10 H10 Co'
_chemical_formula_sum            'C22 H38 Co N P2 Se Te'
_chemical_formula_weight         643.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           167
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   26.156(4)
_cell_length_b                   26.156(4)
_cell_length_c                   20.058(4)
_cell_measurement_reflns_used    4847
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     11884(3)
_computing_cell_refinement       'Nonius DENZO'
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'Nonius DENZO'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'phi\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  0.0211
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_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            4457
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         3.42
_exptl_absorpt_coefficient_mu    3.241
_exptl_absorpt_correction_T_max  0.455
_exptl_absorpt_correction_T_min  0.366
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.620
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5760
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.363
_refine_diff_density_min         -0.301
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         2313
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0295
_refine_ls_R_factor_gt           0.0238
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0258P)^2^+33.4000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0578
_refine_ls_wR_factor_ref         0.0607
_reflns_number_gt                2043
_reflns_number_total             2313
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801384c_si_001_6.cif
_cod_data_source_block           4b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal' 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 
;
_cod_original_sg_symbol_H-M      'R -3 c'
_cod_database_code               4306562