A novel polyoxometalate chain formed from heteropolyanion building blocks and rare earth metal ion linkers: [La(H2O)7Al(OH)6Mo6O18]n??4nH2OElectronic supplementary information (ESI) available: representations of the structure of 1 with the atom numbering scheme and hydrogen bonding interactions shown and a list of relevant hydrogen bonding distances. See http://www.rsc.org/suppdata/dt/b2/b207149e/
Shivaiah, Vaddypally; Narasimha Reddy, Puram V.; Cronin, Leroy; Das, Samar K.; Journal of the Chemical Society, Dalton Transactions  (2002) 3781–; doi:10.1039/b207149e

data_7012054
_publ_section_title
;
 A novel polyoxometalate chain formed from heteropolyanion building
 blocks and rare earth metal ion linkers:
 [La(H2O)7Al(OH)6Mo6O18]n??4nH2OElectronic supplementary information
 (ESI) available: representations of the structure of 1 with the atom
 numbering scheme and hydrogen bonding interactions shown and a list of
 relevant hydrogen bonding distances. See
 http://www.rsc.org/suppdata/dt/b2/b207149e/
;
_journal_issue                   20
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3781
_journal_paper_doi               10.1039/b207149e
_journal_year                    2002
_chemical_formula_sum            'Al H28 La Mo6 O35'
_chemical_formula_weight         1329.75
_chemical_name_systematic
;
?
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.844(2)
_cell_length_b                   11.010(2)
_cell_length_c                   22.643(5)
_cell_measurement_temperature    296(2)
_cell_volume                     2952.7(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker AXS CCD Diffractometer'
_diffrn_measurement_method       'CCD scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0502
_diffrn_reflns_av_sigmaI/netI    0.0537
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            5272
_diffrn_reflns_theta_full        70.60
_diffrn_reflns_theta_max         70.60
_diffrn_reflns_theta_min         3.90
_exptl_absorpt_coefficient_mu    32.618
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    2.991
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2520
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.587
_refine_diff_density_min         -0.995
_refine_diff_density_rms         0.172
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         5272
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0342
_refine_ls_R_factor_gt           0.0329
_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^)+(0.0465P)^2^+1.5341P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0858
_refine_ls_wR_factor_ref         0.0867
_reflns_number_gt                5069
_reflns_number_total             5272
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b207149e.txt
_cod_data_source_block           laalmo1
_cod_original_sg_symbol_H-M      P_c_a_21
_cod_original_formula_sum        'H28 Al La Mo6 O35'
_cod_database_code               7012054