Preparation of Monodispersed Nanoparticles by Electrostatic Assembly of Keggin-Type Polyoxometalates and 1,4,7-Triazacyclononane-Based Transition-Metal Complexes
Uchida, Sayaka; Hikichi, Shiro; Akatsuka, Takeo; Tanaka, Toshiyuki; Kawamoto, Ryosuke; Lesbani, Aldes; Nakagawa, Yoshinao; Uehara, Kazuhiro; Mizuno, Noritaka; Chemistry of Materials 19 (2007) 4694–; doi:10.1021/cm071565y

data_4001430
_publ_section_title
;
 Preparation of Monodispersed Nanoparticles by Electrostatic Assembly of
 Keggin-Type Polyoxometalates and 1,4,7-Triazacyclononane-Based
 Transition-Metal Complexes
;
_journal_issue                   19
_journal_name_full               'Chemistry of Materials'
_journal_page_first              4694
_journal_paper_doi               10.1021/cm071565y
_journal_volume                  19
_journal_year                    2007
_chemical_formula_sum            'C24 H66 Co N6 O46 P S6 W12'
_chemical_formula_weight         3663.29
_space_group_IT_number           148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_audit_creation_date             2007-03-02T18:15:42-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   18.00(2)
_cell_length_b                   18.00(2)
_cell_length_c                   18.46(2)
_cell_measurement_temperature    153(2)
_cell_volume                     5180(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.1075
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            6936
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.31
_exptl_absorpt_coefficient_mu    20.43
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    3.523
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4938
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         14.77
_refine_diff_density_min         -3.221
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.203
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     83
_refine_ls_number_reflns         2642
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.203
_refine_ls_R_factor_gt           0.1103
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0125P)^2^+2716.8132P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.2293
_reflns_number_gt                1989
_reflns_number_total             2642
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm071565y-file002.cif
_cod_data_source_block           shelxl
_cod_database_code               4001430