A Series of New Phases Containing Three Different Asymmetric Building Units
Pei-Xin Li; Fang Kong; Chun-Li Hu; Na Zhao; Jiang-Gao Mao; Inorganic Chemistry 49 (2010) 5943–5952; doi:10.1021/ic100462r

data_4315914
_publ_section_title
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 A Series of New Phases Containing Three Different Asymmetric Building
 Units
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5943
_journal_page_last               5952
_journal_paper_doi               10.1021/ic100462r
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'O18 Pb2 Se5 V3'
_chemical_formula_weight         1250.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.013(3)
_cell_length_b                   10.7097(15)
_cell_length_c                   9.0590(13)
_cell_measurement_reflns_used    4308
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4797
_cell_measurement_theta_min      2.2471
_cell_volume                     1650.6(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.954
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  Saturn70
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0429
_diffrn_reflns_av_sigmaI/netI    0.0291
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            10721
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.95
_diffrn_standards_decay_%        <1.0%
_exptl_absorpt_coefficient_mu    33.088
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.3523
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    5.030
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       brick
_exptl_crystal_F_000             2188
_exptl_crystal_size_max          0.2500
_exptl_crystal_size_mid          0.1100
_exptl_crystal_size_min          0.1000
_refine_diff_density_max         1.541
_refine_diff_density_min         -1.371
_refine_diff_density_rms         0.185
_refine_ls_extinction_coef       0.0018(2)
_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   1.053
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         1898
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0222
_refine_ls_R_factor_gt           0.0198
_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^)+(0.0284P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0471
_refine_ls_wR_factor_ref         0.0478
_reflns_number_gt                1720
_reflns_number_total             1898
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100462r_si_001_2.cif
_cod_data_source_block           Pb2V3Se5O18
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 
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_cod_database_code               4315914