Extended Structural Materials Composed of Transition-Metal-Substituted Arsenicniobates and Their Photocatalytic Activity
Lan, Qing; Zhang, Zhi-Ming; Li, Yang-Guang; Wang, Enbo; RSC Adv.  (2015) –; doi:10.1039/C5RA08262E

data_7220446
_publ_section_title
;
 Extended Structural Materials Composed of Transition-Metal-Substituted
 Arsenicniobates and Their Photocatalytic Activity
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA08262E
_journal_year                    2015
_chemical_formula_sum            'C20 H98 As Cu5 N20 Nb9 O53 V7'
_chemical_formula_weight         3052.57
_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_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-02-04 deposited with the CCDC.
2015-05-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.49(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.852(5)
_cell_length_b                   27.121(5)
_cell_length_c                   24.729(5)
_cell_measurement_reflns_used    14099
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      ?25.00
_cell_measurement_theta_min      3.00
_cell_volume                     16345(6)
_computing_cell_refinement       auto
_computing_data_collection       auto
_computing_data_reduction        auto
_computing_molecular_graphics    auto
_computing_publication_material  auto
_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 0.978
_diffrn_measured_fraction_theta_max 0.978
_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  0.0721
_diffrn_reflns_av_sigmaI/netI    0.0700
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            54329
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.00
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.744
_exptl_absorpt_correction_T_max  0.423
_exptl_absorpt_correction_T_min  0.365
_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    2.481
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             11920
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.23
_refine_diff_density_max         1.971
_refine_diff_density_min         -2.249
_refine_diff_density_rms         0.232
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1024
_refine_ls_number_reflns         14099
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.1058
_refine_ls_R_factor_gt           0.0707
_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^)+(0.0839P)^2^+579.4783P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1748
_refine_ls_wR_factor_ref         0.1932
_reflns_number_gt                9560
_reflns_number_total             14099
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra08262e2.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7220446