Rational Synthesis and Characterization of the Mixed-Metal Organometallic Polyoxometalates [Cp*Mo~x~W~6-x~O~18~]^-^ (x = 0, 1, 5, 6)
Gülnur Taban-Çalişkan; Daniel Mesquita Fernandes; Jean-Claude Daran; Dominique Agustin; Funda Demirhan; Rinaldo Poli; Inorganic Chemistry 51 (2012) 5931–5940; doi:10.1021/ic300578g

data_4329291
_publ_contact_author_address
;
Laboratoire de Chimie de Coordination
UPR-CNRS 8241
205, route de Narbonne
31077 Toulouse cedex, France
;
_publ_contact_author_email       ' daran@lcc-toulouse.fr '
_publ_contact_author_fax         ' (33) 5 61 55 30 03 '
_publ_contact_author_name        'Daran, Jean-Claude'
_publ_contact_author_phone       ' (33) 5 61 33 31 18 '
_publ_section_title
;
 Rational Synthesis and Characterization of the Mixed-Metal Organometallic
 Polyoxometalates [Cp*Mo~x~W~6-x~O~18~]^-^ (x = 0, 1, 5, 6)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5931
_journal_page_last               5940
_journal_paper_doi               10.1021/ic300578g
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C10 H15 Mo5 O18 W, C16 H36 N'
_chemical_formula_sum            'C26 H51 Mo5 N O18 W'
_chemical_formula_weight         1329.23
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.405(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8997(5)
_cell_length_b                   25.9172(13)
_cell_length_c                   12.7160(6)
_cell_measurement_reflns_used    21362
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      2.82
_cell_volume                     3921.6(3)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEPIII (Burnett & Johnson, 1996); ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.960
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Bruker APEXII'
_diffrn_measurement_method       '\w 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  0.0773
_diffrn_reflns_av_sigmaI/netI    0.0963
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            21362
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         2.82
_exptl_absorpt_coefficient_mu    4.543
_exptl_absorpt_correction_T_max  0.8392
_exptl_absorpt_correction_T_min  0.4348
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.251
_exptl_crystal_description       box
_exptl_crystal_F_000             2568
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.04
_refine_diff_density_max         3.134
_refine_diff_density_min         -2.442
_refine_diff_density_rms         0.237
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     445
_refine_ls_number_reflns         7429
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0935
_refine_ls_R_factor_gt           0.0572
_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^)+(0.0556P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1261
_refine_ls_wR_factor_ref         0.1368
_reflns_number_gt                5131
_reflns_number_total             7429
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic300578g_si_002_2.cif
_cod_data_source_block           2a
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4329291