Amphiprotic Properties of a Bis(μ-hydroxo)divanadium(IV)-Substituted γ-Keggin-Type Silicodecatungstate Containing Two Different Kinds of Hydroxyl Moieties.
Uehara, Kazuhiro; Miyachi, Takuya; Mizuno, Noritaka; Inorganic chemistry 53 (2014) 5341–5347; doi:10.1021/ic500642v

data_4338363
_publ_section_title
;
 Amphiprotic Properties of a Bis(\m-hydroxo)divanadium(IV)-Substituted
 \g-Keggin-Type Silicodecatungstate Containing Two Different Kinds of
 Hydroxyl Moieties.
;
_journal_issue                   10
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5341
_journal_page_last               5347
_journal_paper_doi               10.1021/ic500642v
_journal_volume                  53
_journal_year                    2014
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C65 N4 O40 Si1 V2 W10'
_chemical_formula_sum            'C65 H0 N4 O40 Si V2 W10'
_chemical_formula_weight         3445.16
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_audit_creation_date             2013-06-14T13:24:50-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.85630(10)
_cell_length_b                   23.7771(2)
_cell_length_c                   31.1135(3)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     10990.52(16)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      123
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            16448
_diffrn_reflns_theta_full        29.56
_diffrn_reflns_theta_max         29.56
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    10.658
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    2.082
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             6152
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_platon_squeeze_details
;
;
_refine_diff_density_max         2.691
_refine_diff_density_min         -1.842
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.449(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     314
_refine_ls_number_reflns         16448
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_gt           0.0511
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0540P)^2^+102.2934P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1317
_reflns_number_gt                13997
_reflns_number_total             16448
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic500642v_si_001.cif
_cod_data_source_block           2Me
_cod_depositor_comments
'Adding full bibliography for 4338363--4338368.cif.'
_cod_database_code               4338363