Synthesis, Characterization, and Crystallographic Study of the PbO-Bi2O3-V2O5 System: Pb3-xBi2x/3V2O8 (0.20 <=x<= 0.50)
Prangya Parimita Sahoo; Etienne Gaudin; Jacques Darriet; T. N. Guru Row; Inorganic Chemistry 49 (2010) 5603–5610; doi:10.1021/ic100488t

data_4315780
_publ_contact_author_address
; 
Prof. T. N. Guru Row
Solid State and Structural Chemistry Unit
Indian Institute of Science
Bangalore 560012
India 
;
_publ_contact_author_email       ssctng@sscu.iisc.ernet.in
_publ_contact_author_fax         '(91) 80 2360 1310'
_publ_contact_author_name
;
Prof. T. N. Guru Row
;
_publ_contact_author_phone       '(91) 80 2293 2796'
_publ_section_title
;
 Synthesis, Characterization, and Crystallographic Study of the
 PbO-Bi2O3-V2O5 System: Pb3-xBi2x/3V2O8 (0.20 <=x<= 0.50)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5603
_journal_page_last               5610
_journal_paper_doi               10.1021/ic100488t
_journal_volume                  49
_journal_year                    2010
_chemical_compound_source        'see text'
_chemical_formula_moiety         ' Bi0.333 O8 Pb2.5 V2'
_chemical_formula_sum            'Bi0.333 O8 Pb2.5 V2'
_chemical_formula_weight         817.4686
_chemical_name_systematic        ?
_space_group_IT_number           166
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      166
_symmetry_space_group_name_Hall  '-R 3 2"'
_symmetry_space_group_name_H-M   'R -3 m :H'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             'Nov 17 21:57:19 2009'
_audit_creation_method           'PLATON <TABLE ACC> option'
_audit_update_record
;
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   5.7463(3)
_cell_length_b                   5.7463(3)
_cell_length_c                   20.3047(12)
_cell_measurement_reflns_used    1214
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.1457
_cell_measurement_theta_min      3.0011
_cell_volume                     580.64(5)
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.0839
_diffrn_measured_fraction_theta_full 0.98
_diffrn_measured_fraction_theta_max 0.948
_diffrn_measurement_device_type  'Goniometer Xcalibur, detector: Eos (Nova)'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0882
_diffrn_reflns_av_sigmaI/netI    0.0292
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            2450
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        29.26
_diffrn_reflns_theta_max         29.26
_diffrn_reflns_theta_min         3.01
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    64.133
_exptl_absorpt_correction_T_max  0.8765
_exptl_absorpt_correction_T_min  0.3306
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   'analytical from crystal shape'
_exptl_crystal_colour            ' yellow'
_exptl_crystal_density_diffrn    7.019
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       ' ?'
_exptl_crystal_F_000             1028
_exptl_crystal_size_max          0.021
_exptl_crystal_size_mid          0.004
_exptl_crystal_size_min          0.002
_refine_diff_density_max         1.941
_refine_diff_density_min         -1.665
_refine_diff_density_rms         0.256
_refine_ls_extinction_coef       0.0028(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.125
_refine_ls_matrix_type           full
_refine_ls_number_parameters     22
_refine_ls_number_reflns         217
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+17.1268P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1113
_reflns_number_gt                185
_reflns_number_total             217
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100488t_si_001.cif
_cod_data_source_block           ppspbv50
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'R -3 m'
_cod_original_formula_sum        ' Bi0.333 O8 Pb2.5 V2'
_cod_database_code               4315780