A series of new 3-D boratopolyoxovanadates containing five types of [KxOy]n building units
An, Litao; Zhou, Jian; Xiao, Hong-Ping; Liu, Xing; Zou, Huahong; Pan, Chun-Yang; Liu, Meihua; Li, Jianhui; CrystEngComm 16 (2014) 4236–; doi:10.1039/c4ce00073k

data_7215728
_publ_section_title
;
 A series of new 3-D boratopolyoxovanadates containing five types of
 [KxOy]n building units
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              4236
_journal_paper_doi               10.1039/c4ce00073k
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety
'B18 V12 O54 (O H)6 (H2 O) [K6 (H2 O)12], 2(C4 H15 N3),3(H2 O)'
_chemical_formula_sum            'C8 H68 B18 K6 N6 O76 V12'
_chemical_formula_weight         2505.09
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.785(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.49(2)
_cell_length_b                   19.16(2)
_cell_length_c                   20.09(2)
_cell_measurement_temperature    296(2)
_cell_volume                     7499(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_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  0.0322
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            23100
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    1.894
_exptl_absorpt_correction_T_max  0.7909
_exptl_absorpt_correction_T_min  0.6919
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            RED
_exptl_crystal_density_diffrn    2.183
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             4830
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.376
_refine_diff_density_min         -2.300
_refine_diff_density_rms         0.133
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.181
_refine_ls_hydrogen_treatment    NONE
_refine_ls_matrix_type           full
_refine_ls_number_parameters     673
_refine_ls_number_reflns         7718
_refine_ls_number_restraints     427
_refine_ls_restrained_S_all      1.164
_refine_ls_R_factor_all          0.0559
_refine_ls_R_factor_gt           0.0482
_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^)+(0.0500P)^2^+60.0089P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1275
_refine_ls_wR_factor_ref         0.1330
_reflns_number_gt                6665
_reflns_number_total             7718
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00073k5.cif
_cod_data_source_block           2
_cod_original_cell_volume        7499(14)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C8 H68 B18 K6 N6 O76 V12 '
_cod_database_code               7215728