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_4306559
_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         'C24 H56 N2 P4 S2 Te2'
_chemical_formula_sum            'C24 H56 N2 P4 S2 Te2'
_chemical_formula_weight         815.91
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.5509(6)
_cell_length_b                   8.6486(2)
_cell_length_c                   17.3592(5)
_cell_measurement_reflns_used    51389
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      1.00
_cell_volume                     3685.89(16)
_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 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0546
_diffrn_reflns_av_sigmaI/netI    0.0478
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            21323
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.50
_exptl_absorpt_coefficient_mu    1.885
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.897
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1640
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.651
_refine_diff_density_min         -0.771
_refine_diff_density_rms         0.085
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     323
_refine_ls_number_reflns         6379
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0336
_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^)+(0.0229P)^2^+5.3381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0699
_refine_ls_wR_factor_ref         0.0741
_reflns_number_gt                5644
_reflns_number_total             6379
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801384c_si_001_3.cif
_cod_data_source_block           3a
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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_database_code               4306559