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_4304929
_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            'C39 H40 K N3'
_chemical_formula_weight         589.84
_chemical_melting_point          '198-200 deg.C (dec.)'
_chemical_name_systematic
;
((1-(2',4',6'-trimethylbiphenyl-2))
(3-(2,4,6,2'',4'',6''-hexamethyl-1,1':3';1''-terphenyl-2'))
(triazenido-N,N'))potassium
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   11.0395(2)
_cell_length_b                   13.4369(2)
_cell_length_c                   22.4426(4)
_cell_measurement_temperature    193(2)
_cell_volume                     3329.06(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Smart Apex II'
_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  0.0709
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            62270
_diffrn_reflns_theta_full        27.96
_diffrn_reflns_theta_max         27.96
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.190
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1256
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.164
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.942
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         7968
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.942
_refine_ls_R_factor_all          0.0562
_refine_ls_R_factor_gt           0.0350
_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^)+(0.0457P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0772
_refine_ls_wR_factor_ref         0.0833
_reflns_number_gt                5963
_reflns_number_total             7968
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic800029z-file003_2.cif
_cod_data_source_block           2b
_cod_database_code               4304929