Hexafluoridotechnetate(IV) Revisited
Samundeeswari Mariappan Balasekaran; Matthias Molski; Johann Spandl; Adelheid Hagenbach; Roger Alberto; Ulrich Abram; Inorganic Chemistry 52 (2013) 7094–7099; doi:10.1021/ic400775e

data_4335233
_publ_contact_author
;
      Ulrich Abram
      Freie Universitaet Berlin
      Institute of Chemistry and Biochemistry
      Fabeckstrasse 34-36
      D-14195 Berlin
      Germany
;
_publ_contact_author_email       ulrich.abram@fu-berlin.de
_publ_contact_author_fax         '049 30 838 52676'
_publ_contact_author_phone       '049 30 838 54002'
_publ_section_title
;
 Hexafluoridotechnetate(IV) Revisited
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7094
_journal_page_last               7099
_journal_paper_doi               10.1021/ic400775e
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         '2(C4 H12 N), F6 Tc'
_chemical_formula_sum            'C8 H24 F6 N2 Tc'
_chemical_formula_weight         360.29
_chemical_name_common
;
 Tetramethylammonium hexafluorotechnetate(IV)
;
_chemical_name_systematic
;
 Tetramethyl ammonium hexafluorotechnetate(IV)
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_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            3
_cell_length_a                   7.9920(10)
_cell_length_b                   7.9920(10)
_cell_length_c                   20.0390(10)
_cell_measurement_reflns_used    4734
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      29.68
_cell_measurement_theta_min      3.05
_cell_volume                     1108.5(2)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    Ortep
_computing_publication_material  WingX
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_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  0.0708
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            4139
_diffrn_reflns_theta_full        29.22
_diffrn_reflns_theta_max         29.22
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    1.022
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.619
_exptl_crystal_description       polyhedra
_exptl_crystal_F_000             549
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.845
_refine_diff_density_min         -0.303
_refine_diff_density_rms         0.158
_refine_ls_extinction_coef       0.056(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.138
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     28
_refine_ls_number_reflns         666
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0486
_refine_ls_R_factor_gt           0.0481
_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^)+(0.0754P)^2^+1.9317P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1189
_refine_ls_wR_factor_ref         0.1193
_reflns_number_gt                658
_reflns_number_total             666
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic400775e_si_001_7.cif
_cod_data_source_block           (nme4)2tcf6
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4335233