Isostructural Potassium and Thallium Salts of Sterically Crowded Triazenes: A Structural and Computational Study
Hyui Sul Lee; Sven-Oliver Hauber; Denis Vinduš; Mark Niemeyer; Inorganic Chemistry 47 (2008) 4401–4412; doi:10.1021/ic800029z

data_4304931
_publ_contact_author_address
;
Institut f\"ur Anorganische und Analytische Chemie
Johannes Gutenberg-Universit\"at Mainz
Duesbergweg 10-14
D-55099 Mainz
Germany
;
_publ_contact_author_email       niemeyer@uni-mainz.de
_publ_contact_author_name        'Mark Niemeyer'
_publ_section_title
;
Isostructural Potassium and Thallium Salts of Sterically Crowded Triazenes:
A Structural and Computational Study
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4401
_journal_page_last               4412
_journal_paper_doi               10.1021/ic800029z
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C88 H84 K2 N6'
_chemical_formula_weight         1303.82
_chemical_name_systematic
;
((1,3-bis(3,5,3'',5''-tetramethyl-1,1':3';1''-terphenyl-2'))
(triazenido-N,N'))potassium
;
_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                 118.972(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.281(5)
_cell_length_b                   13.6319(15)
_cell_length_c                   24.677(4)
_cell_measurement_reflns_used    43
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      11.2
_cell_measurement_theta_min      5.2
_cell_volume                     7440(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Siemens P4'
_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  0.0937
_diffrn_reflns_av_sigmaI/netI    0.1518
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            6693
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.89
_diffrn_standards_decay_%        0.1
_diffrn_standards_interval_count 298
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.176
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2768
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.697
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     444
_refine_ls_number_reflns         6533
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.697
_refine_ls_R_factor_all          0.1044
_refine_ls_R_factor_gt           0.0402
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0208P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0790
_refine_ls_wR_factor_ref         0.0883
_reflns_number_gt                2913
_reflns_number_total             6533
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic800029z-file003_4.cif
_cod_data_source_block           2d
_cod_database_code               4304931