Four Polyoxonibate-Based Inorganic‒Organic Hybrids Assembly from Bicapped Heteropolyoxonibate with Effective Antitumor Activity
Zhang, Ying; Shen, Jian-Qiang; Zheng, Li-Hua; Zhang, Zhi-Ming; Li, Yu-Xin; Wang, En-Bo; Crystal Growth & Design 14 (2014) 110–; doi:10.1021/cg401227g

data_4510026
_publ_section_title
;
 Four Polyoxonibate-Based Inorganic--Organic Hybrids Assembly from
 Bicapped Heteropolyoxonibate with Effective Antitumor Activity
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              110
_journal_paper_doi               10.1021/cg401227g
_journal_volume                  14
_journal_year                    2014
_chemical_formula_sum            'C24 H138 Cu6 N24 Nb12 O63 Si V2'
_chemical_formula_weight         3397.71
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_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                 129.11(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   20.746(4)
_cell_length_b                   20.789(4)
_cell_length_c                   14.940(3)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.05
_cell_volume                     5000(3)
_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 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0447
_diffrn_reflns_av_sigmaI/netI    0.0371
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            24154
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.05
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.857
_exptl_absorpt_correction_T_max  0.7077
_exptl_absorpt_correction_T_min  0.5125
_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    2.257
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3360
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.264
_refine_diff_density_min         -1.371
_refine_diff_density_rms         0.179
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     369
_refine_ls_number_reflns         5846
_refine_ls_number_restraints     100
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0777
_refine_ls_R_factor_gt           0.0623
_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^)+(0.1079P)^2^+68.2462P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1773
_refine_ls_wR_factor_ref         0.1887
_reflns_number_gt                4661
_reflns_number_total             5846
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg401227g_si_004.cif
_cod_data_source_block           1
_cod_original_cell_volume        4999.7(17)
_cod_original_sg_symbol_H-M      C2/M
_cod_database_code               4510026