Synthesis and Characterization of [(OH)TeNb5O18](6-) in Water Solution, Comparison with [Nb6O19](8-).
Abramov, Pavel A.; Zemerova, Tatiana P.; Moroz, Nikolay K.; Kompankov, Nikolay B.; Zhdanov, Artem A.; Tsygankova, Alfiya R.; Vicent, Cristian; Sokolov, Maxim N.; Inorganic chemistry 55 (2016) 1381–1389; doi:10.1021/acs.inorgchem.5b01806

data_4346622
_publ_section_title
;
 Synthesis and Characterization of [(OH)TeNb5O18](6-) in Water Solution,
 Comparison with [Nb6O19](8-).
;
_journal_issue                   4
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1381
_journal_page_last               1389
_journal_paper_doi               10.1021/acs.inorgchem.5b01806
_journal_volume                  55
_journal_year                    2016
_chemical_formula_sum            'H30 Na6 Nb5 O34 Te'
_chemical_formula_weight         1304.33
_space_group_crystal_system      orthorhombic
_space_group_IT_number           58
_space_group_name_Hall           '-P 2 2n'
_space_group_name_H-M_alt        'P n n m'
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.1802(4)
_cell_length_b                   12.7467(4)
_cell_length_c                   10.0066(2)
_cell_measurement_reflns_used    3528
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      16.31
_cell_measurement_theta_min      2.31
_cell_volume                     1553.60(8)
_computing_cell_refinement       'SAINT (Bruker-AXS, 2004)'
_computing_data_collection       'APEX2 (Bruker-AXS, 2004)'
_computing_data_reduction        'SAINT (Bruker-AXS, 2004)'
_computing_molecular_graphics    'SHELXLE (Sheldrick, 2011)'
_computing_publication_material  'CIFTAB-97 (Sheldrick, 1998)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 25
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Nonius X8Apex CCD'
_diffrn_measurement_method       '\f scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0269
_diffrn_reflns_av_unetI/netI     0.0249
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6594
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.385
_diffrn_reflns_theta_min         2.313
_exptl_absorpt_coefficient_mu    2.913
_exptl_absorpt_correction_T_max  0.800
_exptl_absorpt_correction_T_min  0.669
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker-AXS, 2004)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.788
_exptl_crystal_description       needle
_exptl_crystal_F_000             1250
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.080
_refine_diff_density_max         2.065
_refine_diff_density_min         -1.114
_refine_diff_density_rms         0.198
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.137
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         1692
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.137
_refine_ls_R_factor_all          0.0367
_refine_ls_R_factor_gt           0.0331
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0430P)^2^+11.1550P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0921
_refine_ls_wR_factor_ref         0.0942
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1549
_reflns_number_total             1692
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic5b01806_si_003.cif
_cod_data_source_block           te
_cod_original_sg_symbol_H-M      Pnnm
_cod_database_code               4346622
_shelx_estimated_absorpt_t_min   0.669
_shelx_estimated_absorpt_t_max   0.800
_shelxl_version_number           2013-4
_shelx_res_checksum              59240
_shelx_hkl_checksum              62975