α-ScVSe2O8, β-ScVSe2O8, and ScVTe2O8: New Quaternary Mixed Metal Oxides Composed of Only Second-Order Jahn-Teller Distortive Cations
Yeong Hun Kim; Dong Woo Lee; Kang Min Ok; Inorganic Chemistry 52 (2013) 11450–11456; doi:10.1021/ic401769s

data_4336279
_publ_section_title
;
 \a-ScVSe2O8, \b-ScVSe2O8, and ScVTe2O8: New Quaternary Mixed Metal Oxides
 Composed of Only Second-Order Jahn-Teller Distortive Cations
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11450
_journal_page_last               11456
_journal_paper_doi               10.1021/ic401769s
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'O8 Sc Se2 V'
_chemical_formula_weight         381.82
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 92.2790(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.59040(10)
_cell_length_b                   15.9098(3)
_cell_length_c                   6.63740(10)
_cell_measurement_temperature    298.0(2)
_cell_volume                     695.39(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298.0(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART Breeze'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0827
_diffrn_reflns_av_unetI/netI     0.0858
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            10459
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.56
_exptl_absorpt_coefficient_mu    12.793
_exptl_absorpt_correction_T_max  0.76
_exptl_absorpt_correction_T_min  0.66
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 SADABS(Blessing, 1995) 
;
_exptl_crystal_colour            'Light Yellow'
_exptl_crystal_density_diffrn    3.647
_exptl_crystal_description       Block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.037
_exptl_crystal_size_mid          0.028
_exptl_crystal_size_min          0.021
_refine_diff_density_max         0.831
_refine_diff_density_min         -0.82
_refine_diff_density_rms         0.21
_refine_ls_extinction_coef       0.00077(16)
_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   0.863
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         1706
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.863
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.032
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0092P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0427
_refine_ls_wR_factor_ref         0.0474
_reflns_number_gt                1163
_reflns_number_total             1706
_reflns_threshold_expression     >2s\(I)
_cod_data_source_file            ic401769s_si_002_2.cif
_cod_data_source_block           beta_ScVSe2O8
_cod_database_code               4336279