Preparation and X-ray Structures of Alkali-Metal Derivatives of the Ambidentate Anions [tBuN(E)P(μ-NtBu)2P(E)NtBu]2- (E = S, Se) and [tBuN(Se)P(μ-NtBu)2PN(H)tBu)]-
Tristram Chivers; Mark Krahn; Masood Parvez; Gabriele Schatte; Inorganic Chemistry 40 (2001) 2547–2553; doi:10.1021/ic001093o

data_4319673
_publ_contact_author_address
; Department of Chemistry
  University of Calgary
  Calgary Alberta T2N 1N4
  Canada
;
_publ_contact_author_email       chivers@ucalgary.ca
_publ_contact_author_fax         '001 403 289 9488'
_publ_contact_author_name        'Dr Tristram Chivers'
_publ_contact_author_phone       '001 403 220 5741'
_publ_section_title
;
 Preparation and X-ray Structures of Alkali-Metal Derivatives of the
 Ambidentate Anions [tBuN(E)P(\m-NtBu)2P(E)NtBu]2- (E = S, Se) and
 [tBuN(Se)P(\m-NtBu)2PN(H)tBu)]-
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2547
_journal_page_last               2553
_journal_paper_doi               10.1021/ic001093o
_journal_volume                  40
_journal_year                    2001
_chemical_formula_moiety         'C32 H68 N4 Na2 O4 P2 S2'
_chemical_formula_sum            'C32 H68 N4 Na2 O4 P2 S2'
_chemical_formula_weight         744.94
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.314(15)
_cell_angle_beta                 94.771(11)
_cell_angle_gamma                100.287(16)
_cell_formula_units_Z            2
_cell_length_a                   10.4015(15)
_cell_length_b                   21.147(3)
_cell_length_c                   9.9192(12)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      24.62
_cell_measurement_theta_min      13.54
_cell_volume                     2138.9(5)
_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        'teXsan (MSC, 1995)'
_computing_molecular_graphics    'teXsan (MSC, 1995)'
_computing_publication_material  'teXsan (MSC, 1995)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-92
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'Rigaku AFC6S'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_detector       'scintillation counter'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0791
_diffrn_reflns_av_sigmaI/netI    0.3833
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7570
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.53
_diffrn_standards_decay_%        4.0
_diffrn_standards_interval_count 200
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.256
_exptl_absorpt_correction_T_max  0.9506
_exptl_absorpt_correction_T_min  0.8936
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
 North,Phillips & Matthews, 1968
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.947
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     427
_refine_ls_number_reflns         7570
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.947
_refine_ls_R_factor_all          0.3334
_refine_ls_R_factor_gt           0.0551
_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^)+(0.0526P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1247
_refine_ls_wR_factor_ref         0.2081
_reflns_number_gt                1786
_reflns_number_total             7570
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic001093o_5.cif
_cod_data_source_block           11a
_cod_database_code               4319673