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_4309882
_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)344489
_publ_contact_author_name        'Dr. Dmitry Yu. Naumov'
_publ_contact_author_phone       7(3832)344466
_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            'C78 H62 Br N6 O P3 Te7 W3'
_chemical_formula_weight         2716.91
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 102.885(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.426(7)
_cell_length_b                   19.031(6)
_cell_length_c                   23.780(8)
_cell_measurement_temperature    293(2)
_cell_volume                     8570(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0808
_diffrn_reflns_av_sigmaI/netI    0.1449
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            23748
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    6.919
_exptl_absorpt_correction_type   'Bruker SADABS'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.106
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             4984
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.270
_refine_diff_density_min         -1.628
_refine_diff_density_rms         0.253
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.025(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     467
_refine_ls_number_reflns         12323
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.1128
_refine_ls_R_factor_gt           0.0637
_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^)+(0.0612P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1343
_refine_ls_wR_factor_ref         0.1544
_reflns_number_gt                8241
_reflns_number_total             12323
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050962csi20050614_030553.cif
_cod_data_source_block           (PPh4)3{[W3Te7(CN)6]Br}
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4309882
_ratio_of_minimum_to_maximum_apparent_transmission 0.653800