Two new cantilever-type polyoxometalates constructed from {Mo(2)O(4)}(2+) fragments and diphosphonates.
Tan, Huaqiao; Chen, Weilin; Liu, Ding; Li, Yangguang; Wang, Enbo; Dalton transactions (Cambridge, England : 2003) 39 (2010) 1245–1249; doi:10.1039/b912321k

data_7024183
_publ_section_title
;
 Two new cantilever-type polyoxometalates constructed from {Mo(2)O(4)}(2+)
 fragments and diphosphonates.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1245
_journal_page_last               1249
_journal_paper_doi               10.1039/b912321k
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C4 H36 Mo4 N Na5 O39 P4 V'
_chemical_formula_weight         1395.87
_chemical_name_systematic
;
?
;
_space_group_IT_number           58
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2 2n'
_symmetry_space_group_name_H-M   'P n n m'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.964(3)
_cell_length_b                   19.451(4)
_cell_length_c                   12.282(3)
_cell_measurement_reflns_used    2086
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.49
_cell_measurement_theta_min      3.00
_cell_volume                     2141.5(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.01
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID IP'
_diffrn_measurement_method       Oscillation
_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  0.1192
_diffrn_reflns_av_sigmaI/netI    0.0637
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16144
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         3.00
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.660
_exptl_absorpt_correction_T_max  0.729
_exptl_absorpt_correction_T_min  0.678
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR by T.Higashi 8 March, 1995'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.165
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1370
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.773
_refine_diff_density_min         -1.119
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     151
_refine_ls_number_reflns         2086
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0774
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0600P)^2^+9.9447P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1138
_refine_ls_wR_factor_ref         0.1243
_reflns_number_gt                1532
_reflns_number_total             2086
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b912321k.txt
_cod_data_source_block           web1
_cod_original_sg_symbol_H-M      Pnnm
_cod_database_code               7024183