Synthesis and Reactivity of W3Te74+ Clusters and Chalcogen Exchange in the M3Q7 (M = Mo, W; Q = S, Se, Te) Cluster Family
Maxim N. Sokolov; Pavel A. Abramov; Artem L. Gushchin; Irina V. Kalinina; Dmitry Y. Naumov; Alexander V. Virovets; Eugenia V. Peresypkina; Cristian Vicent; Rosa Llusar; Vladimir P. Fedin; Inorganic Chemistry 44 (2005) 8116–8124; doi:10.1021/ic050962c

data_4309877
_publ_contact_author_address
;Nikolaev Institute of Inorganic Chemistry,
SB Russian Academy of Sciences,
Academition Lavrentiev Avenue 3,
Novosibirsk 90,
630090 Russia
;
_publ_contact_author_email       d.y.naumov@ngs.ru
_publ_contact_author_fax         7(3832)309489
_publ_contact_author_name        'Dr. Dmitry Yu. Naumov'
_publ_contact_author_phone       7(3832)309466
_publ_section_title
;
Synthesis and Reactivity of W3Te74+ Clusters and Chalcogen Exchange in the
M3Q7 (M = Mo, W; Q = S, Se, Te) Cluster Family
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8116
_journal_page_last               8124
_journal_paper_doi               10.1021/ic050962c
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C9 K5 N9 Se3 Te W3'
_chemical_formula_weight         1345.71
_space_group_IT_number           186
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      186
_symmetry_space_group_name_Hall  'P 6c -2c'
_symmetry_space_group_name_H-M   'P 63 m c'
_atom_sites_solution_hydrogens   none
_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            6
_cell_length_a                   18.6413(8)
_cell_length_b                   18.6413(8)
_cell_length_c                   12.9868(7)
_cell_measurement_reflns_used    4110
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      32.26
_cell_measurement_theta_min      3.14
_cell_volume                     3908.3(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 25
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Nonius X8Apex CCD area-detector'
_diffrn_measurement_method       '\f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0809
_diffrn_reflns_av_sigmaI/netI    0.0527
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            23301
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.57
_diffrn_reflns_theta_min         1.26
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    19.316
_exptl_absorpt_correction_T_max  0.2052
_exptl_absorpt_correction_T_min  0.1481
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    3.431
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prizm
_exptl_crystal_F_000             3528
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.543
_refine_diff_density_min         -4.799
_refine_diff_density_rms         0.470
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(6)
_refine_ls_extinction_coef       0
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.124
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2070
_refine_ls_number_restraints     73
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.1105
_refine_ls_R_factor_gt           0.0615
_refine_ls_shift/su_max          0.045
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+319.5620P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1212
_refine_ls_wR_factor_ref         0.1476
_reflns_number_gt                1288
_reflns_number_total             2070
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic050962csi20050614_030225.cif
_cod_data_source_block           ag184
_cod_database_code               4309877