Antimony-dependent expansion for the Keggin heteropolyniobate family.
Zhang, Zhe-Yu; Peng, Jun; Shi, Zhen-Yu; Zhou, Wan-Li; Khan, Shifa Ullah; Liu, Hong-Sheng; Chemical communications (Cambridge, England) 51 (2015) 3091–3093; doi:10.1039/c4cc09612f

data_7116219
_publ_section_title
;
 Antimony-dependent expansion for the Keggin heteropolyniobate family.
;
_journal_issue                   15
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3091
_journal_page_last               3093
_journal_paper_doi               10.1039/c4cc09612f
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'Nb12 O39 Sb2 Si, 4(C4 H16 Cu N4), 6(H2 O)'
_chemical_formula_sum            'C16 H76 Cu4 N16 Nb12 O45 Sb2 Si'
_chemical_formula_weight         2853.60
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc13qs1n
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-11-18 deposited with the CCDC.
2015-01-02 downloaded from the CCDC.
;
_cell_angle_alpha                84.8190(10)
_cell_angle_beta                 79.8390(10)
_cell_angle_gamma                61.3420(10)
_cell_formula_units_Z            2
_cell_length_a                   13.9137(7)
_cell_length_b                   14.4730(7)
_cell_length_c                   21.9355(10)
_cell_measurement_temperature    293(2)
_cell_volume                     3815.2(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0662
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            28356
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    3.619
_exptl_absorpt_correction_T_max  0.834
_exptl_absorpt_correction_T_min  0.574
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    2.484
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2736
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.200
_refine_diff_density_min         -2.341
_refine_diff_density_rms         0.313
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     892
_refine_ls_number_reflns         18856
_refine_ls_number_restraints     41
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0842
_refine_ls_R_factor_gt           0.0534
_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^)+(0.0835P)^2^+23.5327P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1461
_refine_ls_wR_factor_ref         0.1707
_reflns_number_gt                13511
_reflns_number_total             18856
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc09612f2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 7116213--7116221.cif.
;
_cod_database_code               7116219