Compounds with the Electron-Rich [W6Cl18]2- Cluster Anion
Sonja Tragl; Markus Ströbele; Jochen Glaser; Cristian Vicent; Rosa Llusar; H.-Jürgen Meyer; Inorganic Chemistry 48 (2009) 3825–3831; doi:10.1021/ic8019843

data_4301937
_publ_contact_author
;
        H.-Juergen Meyer
        Institut fuer Anorganische Chemie
        Universitaet Tuebingen
        Ob dem Himmelreich 7
        72074 Tuebingen
        Bundesrepublik Deutschland
;
_publ_contact_author_email       juergen.meyer@uni-tuebingen.de
_publ_contact_author_fax         '07071 29-5702'
_publ_contact_author_phone       '07071 29-76226'
_publ_section_title
;
Compounds with the Electron-Rich [W6Cl18]2- Cluster Anion
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3825
_journal_page_last               3831
_journal_paper_doi               10.1021/ic8019843
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'Cl18 K2 W6'
_chemical_formula_weight         1819.40
_chemical_name_systematic        ?
_space_group_IT_number           162
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3 2'
_symmetry_space_group_name_H-M   'P -3 1 m'
_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                120.00
_cell_formula_units_Z            1
_cell_length_a                   9.3223(9)
_cell_length_b                   9.3223(9)
_cell_length_c                   8.4528(8)
_cell_measurement_reflns_used    2000
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.06
_cell_measurement_theta_min      4.37
_cell_volume                     636.18(11)
_computing_cell_refinement       'Stoe IPDS software'
_computing_data_collection       'Stoe IPDS software'
_computing_data_reduction        'Stoe IPDS software'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       'phi 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  0.0587
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6779
_diffrn_reflns_theta_full        27.06
_diffrn_reflns_theta_max         27.06
_diffrn_reflns_theta_min         4.37
_diffrn_standards_decay_%        0.01
_exptl_absorpt_coefficient_mu    29.222
_exptl_absorpt_correction_T_max  0.7336
_exptl_absorpt_correction_T_min  0.5137
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   X-Red/X-Shape
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    4.749
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.411
_refine_diff_density_min         -0.919
_refine_diff_density_rms         0.217
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     26
_refine_ls_number_reflns         507
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0288
_refine_ls_R_factor_gt           0.0223
_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^)+(0.0310P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0478
_refine_ls_wR_factor_ref         0.0495
_reflns_number_gt                448
_reflns_number_total             507
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8019843_si_001_5.cif
_cod_data_source_block           K2W6Cl18
_cod_database_code               4301937