2D and 3D Polymeric Wells-Dawson Polyoxometelates: Synthesis, Crystal Structures, and Cyclic Voltammetry of [(M(H2O)4)x][H6-2xP2W18-nMonO62] (M = CuII, CoII, NiII)
Robila Belghiche; Ouahiba Bechiri; Mostefa Abbessi; Stéphane Golhen; Yann Le Gal; Lahcène Ouahab; Inorganic Chemistry 48 (2009) 6026–6033; doi:10.1021/ic9003406

data_4302492
_publ_contact_author_address
;Organom\'etalliques et Mat\'eriaux Mol\'eculaires
UMR 6226 CNRS-Universit\'e de Rennes 1
Sciences Chimiques de Rennes
Avenue G\'en\'eral Leclerc
35042 Rennes Cedex
France
;
_publ_contact_author_email       lahcene.ouahab@univ-rennes1.fr
_publ_contact_author_fax         +33(0)223236840
_publ_contact_author_name        'Lahc\`ene Ouahab'
_publ_contact_author_phone       +33(0)223235659
_publ_section_title
;
2D and 3D Polymeric Wells-Dawson Polyoxometelates: Synthesis, Crystal
Structures, and Cyclic Voltammetry of [(M(H2O)4)x][H6-2xP2W18-nMonO62]
(M = CuII, CoII, NiII)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6026
_journal_page_last               6033
_journal_paper_doi               10.1021/ic9003406
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         '[Co(H2O)4]2.3[H1.4P2W14Mo4O62],18.8H2O'
_chemical_formula_sum            'Co2.3 H57.4 Mo4 O90 P2 W14'
_chemical_formula_weight         4653.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                84.609(19)
_cell_angle_beta                 88.62(2)
_cell_angle_gamma                66.763(10)
_cell_formula_units_Z            2
_cell_length_a                   13.125(2)
_cell_length_b                   14.8355(17)
_cell_length_c                   21.072(8)
_cell_measurement_reflns_used    47110
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      2.910
_cell_volume                     3753.2(16)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare al, 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.0503
_diffrn_reflns_av_sigmaI/netI    0.0839
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            46430
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         3.50
_exptl_absorpt_coefficient_mu    22.670
_exptl_crystal_density_diffrn    4.117
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4147
_refine_diff_density_max         4.420
_refine_diff_density_min         -4.788
_refine_diff_density_rms         0.513
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1035
_refine_ls_number_reflns         21443
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0939
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0610P)^2^+36.1147P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1166
_refine_ls_wR_factor_ref         0.1369
_reflns_number_gt                14551
_reflns_number_total             21443
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic9003406_si_001_5.cif
_cod_data_source_block           7
_cod_original_cell_volume        3753.0(16)
_cod_original_formula_sum        'H57.4 Co2.30 Mo4 O90 P2 W14'
_cod_database_code               4302492